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Sigurnosni nedostatak jezgre operacijskog sustava

by Marina Dimic Vugec - 0
  • Detalji os-a: WN7
  • Važnost: IMP
  • Operativni sustavi: L
  • Kategorije: LRH

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Hash: SHA256

=====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel-rt security update
Advisory ID: RHSA-2019:2830-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2830
Issue date: 2019-09-20
CVE Names: CVE-2019-14835
=====================================================================

1. Summary:

An update for kernel-rt is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Realtime (v. 7) – noarch, x86_64
Red Hat Enterprise Linux for Real Time for NFV (v. 7) – noarch, x86_64

3. Description:

The kernel-rt packages provide the Real Time Linux Kernel, which enables
fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* A buffer overflow flaw was found in the way Linux kernel’s vhost
functionality that translates virtqueue buffers to IOVs, logged the buffer
descriptors during migration. A privileged guest user able to pass
descriptors with invalid length to the host when migration is underway,
could use this flaw to increase their privileges on the host.
(CVE-2019-14835)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1750727 – CVE-2019-14835 kernel: vhost-net: guest to host kernel escape during migration

6. Package List:

Red Hat Enterprise Linux for Real Time for NFV (v. 7):

Source:
kernel-rt-3.10.0-1062.1.2.rt56.1025.el7.src.rpm

noarch:
kernel-rt-doc-3.10.0-1062.1.2.rt56.1025.el7.noarch.rpm

x86_64:
kernel-rt-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-debug-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-debug-debuginfo-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-debug-devel-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-debug-kvm-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-debug-kvm-debuginfo-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-debuginfo-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-devel-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-kvm-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-kvm-debuginfo-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-trace-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-trace-debuginfo-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-trace-devel-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-trace-kvm-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-trace-kvm-debuginfo-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm

Red Hat Enterprise Linux Realtime (v. 7):

Source:
kernel-rt-3.10.0-1062.1.2.rt56.1025.el7.src.rpm

noarch:
kernel-rt-doc-3.10.0-1062.1.2.rt56.1025.el7.noarch.rpm

x86_64:
kernel-rt-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-debug-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-debug-debuginfo-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-debug-devel-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-debuginfo-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-devel-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-trace-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-trace-debuginfo-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
kernel-rt-trace-devel-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2019-14835
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/kernel-vhost

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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=====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel security update
Advisory ID: RHSA-2019:2827-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2827
Issue date: 2019-09-20
CVE Names: CVE-2019-14835
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat CodeReady Linux Builder (v. 8) – aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) – aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* A buffer overflow flaw was found in the way Linux kernel’s vhost
functionality that translates virtqueue buffers to IOVs, logged the buffer
descriptors during migration. A privileged guest user able to pass
descriptors with invalid length to the host when migration is underway,
could use this flaw to increase their privileges on the host.
(CVE-2019-14835)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1750727 – CVE-2019-14835 kernel: vhost-net: guest to host kernel escape during migration

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
kernel-4.18.0-80.11.2.el8_0.src.rpm

aarch64:
bpftool-4.18.0-80.11.2.el8_0.aarch64.rpm
bpftool-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-core-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-cross-headers-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-core-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-devel-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-modules-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-modules-extra-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-devel-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-headers-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-modules-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-modules-extra-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-tools-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-tools-libs-4.18.0-80.11.2.el8_0.aarch64.rpm
perf-4.18.0-80.11.2.el8_0.aarch64.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
python3-perf-4.18.0-80.11.2.el8_0.aarch64.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm

noarch:
kernel-abi-whitelists-4.18.0-80.11.2.el8_0.noarch.rpm
kernel-doc-4.18.0-80.11.2.el8_0.noarch.rpm

ppc64le:
bpftool-4.18.0-80.11.2.el8_0.ppc64le.rpm
bpftool-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-core-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-cross-headers-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-core-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-devel-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-modules-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-devel-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-headers-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-modules-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-modules-extra-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-tools-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-tools-libs-4.18.0-80.11.2.el8_0.ppc64le.rpm
perf-4.18.0-80.11.2.el8_0.ppc64le.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
python3-perf-4.18.0-80.11.2.el8_0.ppc64le.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm

s390x:
bpftool-4.18.0-80.11.2.el8_0.s390x.rpm
bpftool-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-core-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-cross-headers-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debug-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debug-core-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debug-devel-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debug-modules-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debug-modules-extra-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-devel-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-headers-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-modules-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-modules-extra-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-tools-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-zfcpdump-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-zfcpdump-core-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-zfcpdump-devel-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-zfcpdump-modules-4.18.0-80.11.2.el8_0.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-80.11.2.el8_0.s390x.rpm
perf-4.18.0-80.11.2.el8_0.s390x.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm
python3-perf-4.18.0-80.11.2.el8_0.s390x.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.s390x.rpm

x86_64:
bpftool-4.18.0-80.11.2.el8_0.x86_64.rpm
bpftool-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-core-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-cross-headers-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-core-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-devel-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-modules-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-modules-extra-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-devel-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-headers-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-modules-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-modules-extra-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-tools-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-tools-libs-4.18.0-80.11.2.el8_0.x86_64.rpm
perf-4.18.0-80.11.2.el8_0.x86_64.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
python3-perf-4.18.0-80.11.2.el8_0.x86_64.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 8):

aarch64:
bpftool-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
kernel-tools-libs-devel-4.18.0-80.11.2.el8_0.aarch64.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-80.11.2.el8_0.ppc64le.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debug-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-tools-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
kernel-tools-libs-devel-4.18.0-80.11.2.el8_0.x86_64.rpm
perf-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm
python3-perf-debuginfo-4.18.0-80.11.2.el8_0.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2019-14835
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/kernel-vhost

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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Hash: SHA256

=====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel-rt security update
Advisory ID: RHSA-2019:2828-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2828
Issue date: 2019-09-20
CVE Names: CVE-2019-14835
=====================================================================

1. Summary:

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Real Time (v. 8) – x86_64
Red Hat Enterprise Linux Real Time for NFV (v. 8) – x86_64

3. Description:

The kernel-rt packages provide the Real Time Linux Kernel, which enables
fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* A buffer overflow flaw was found in the way Linux kernel’s vhost
functionality that translates virtqueue buffers to IOVs, logged the buffer
descriptors during migration. A privileged guest user able to pass
descriptors with invalid length to the host when migration is underway,
could use this flaw to increase their privileges on the host.
(CVE-2019-14835)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1750727 – CVE-2019-14835 kernel: vhost-net: guest to host kernel escape during migration

6. Package List:

Red Hat Enterprise Linux Real Time for NFV (v. 8):

Source:
kernel-rt-4.18.0-80.11.2.rt9.157.el8_0.src.rpm

x86_64:
kernel-rt-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-core-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-core-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-debuginfo-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-devel-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-kvm-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-kvm-debuginfo-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-modules-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-modules-extra-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debuginfo-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-devel-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-kvm-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-kvm-debuginfo-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-modules-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-modules-extra-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm

Red Hat Enterprise Linux Real Time (v. 8):

Source:
kernel-rt-4.18.0-80.11.2.rt9.157.el8_0.src.rpm

x86_64:
kernel-rt-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-core-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-core-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-debuginfo-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-devel-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-kvm-debuginfo-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-modules-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debug-modules-extra-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debuginfo-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-devel-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-kvm-debuginfo-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-modules-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm
kernel-rt-modules-extra-4.18.0-80.11.2.rt9.157.el8_0.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2019-14835
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/kernel-vhost

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: kernel security update
Advisory ID:       RHSA-2019:2829-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:2829
Issue date:        2019-09-20
CVE Names:         CVE-2019-14835 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* A buffer overflow flaw was found in the way Linux kernel's vhost
functionality that translates virtqueue buffers to IOVs, logged the buffer
descriptors during migration. A privileged guest user able to pass
descriptors with invalid length to the host when migration is underway,
could use this flaw to increase their privileges on the host.
(CVE-2019-14835)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1750727 - CVE-2019-14835 kernel: vhost-net: guest to host kernel escape during migration

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
kernel-3.10.0-1062.1.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1062.1.2.el7.noarch.rpm
kernel-doc-3.10.0-1062.1.2.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1062.1.2.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-devel-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-headers-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1062.1.2.el7.x86_64.rpm
perf-3.10.0-1062.1.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
python-perf-3.10.0-1062.1.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
bpftool-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1062.1.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
kernel-3.10.0-1062.1.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1062.1.2.el7.noarch.rpm
kernel-doc-3.10.0-1062.1.2.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1062.1.2.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-devel-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-headers-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1062.1.2.el7.x86_64.rpm
perf-3.10.0-1062.1.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
python-perf-3.10.0-1062.1.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
bpftool-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1062.1.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
kernel-3.10.0-1062.1.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1062.1.2.el7.noarch.rpm
kernel-doc-3.10.0-1062.1.2.el7.noarch.rpm

ppc64:
bpftool-3.10.0-1062.1.2.el7.ppc64.rpm
bpftool-debuginfo-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-debug-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-debug-devel-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-devel-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-headers-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-tools-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-tools-libs-3.10.0-1062.1.2.el7.ppc64.rpm
perf-3.10.0-1062.1.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-1062.1.2.el7.ppc64.rpm
python-perf-3.10.0-1062.1.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1062.1.2.el7.ppc64.rpm

ppc64le:
bpftool-3.10.0-1062.1.2.el7.ppc64le.rpm
bpftool-debuginfo-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-debug-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-devel-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-headers-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-tools-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-1062.1.2.el7.ppc64le.rpm
perf-3.10.0-1062.1.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1062.1.2.el7.ppc64le.rpm
python-perf-3.10.0-1062.1.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1062.1.2.el7.ppc64le.rpm

s390x:
bpftool-3.10.0-1062.1.2.el7.s390x.rpm
bpftool-debuginfo-3.10.0-1062.1.2.el7.s390x.rpm
kernel-3.10.0-1062.1.2.el7.s390x.rpm
kernel-debug-3.10.0-1062.1.2.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-1062.1.2.el7.s390x.rpm
kernel-debug-devel-3.10.0-1062.1.2.el7.s390x.rpm
kernel-debuginfo-3.10.0-1062.1.2.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-1062.1.2.el7.s390x.rpm
kernel-devel-3.10.0-1062.1.2.el7.s390x.rpm
kernel-headers-3.10.0-1062.1.2.el7.s390x.rpm
kernel-kdump-3.10.0-1062.1.2.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-1062.1.2.el7.s390x.rpm
kernel-kdump-devel-3.10.0-1062.1.2.el7.s390x.rpm
perf-3.10.0-1062.1.2.el7.s390x.rpm
perf-debuginfo-3.10.0-1062.1.2.el7.s390x.rpm
python-perf-3.10.0-1062.1.2.el7.s390x.rpm
python-perf-debuginfo-3.10.0-1062.1.2.el7.s390x.rpm

x86_64:
bpftool-3.10.0-1062.1.2.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-devel-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-headers-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1062.1.2.el7.x86_64.rpm
perf-3.10.0-1062.1.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
python-perf-3.10.0-1062.1.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
bpftool-debuginfo-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1062.1.2.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-1062.1.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-1062.1.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1062.1.2.el7.ppc64.rpm

ppc64le:
bpftool-debuginfo-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1062.1.2.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-1062.1.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1062.1.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1062.1.2.el7.ppc64le.rpm

x86_64:
bpftool-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1062.1.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
kernel-3.10.0-1062.1.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1062.1.2.el7.noarch.rpm
kernel-doc-3.10.0-1062.1.2.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1062.1.2.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-devel-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-headers-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1062.1.2.el7.x86_64.rpm
perf-3.10.0-1062.1.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
python-perf-3.10.0-1062.1.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
bpftool-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1062.1.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.1.2.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2019-14835
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/kernel-vhost

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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CveCERT-CVE-DUMMY
ID izvornikaCERT-ORIGID-DUMMY
ProizvodCERT-DUMMY-PRODUCT
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