You are here
Home > Preporuke > Sigurnosni nedostatak programskog paketa kernel rt

Sigurnosni nedostatak programskog paketa kernel rt

  • Detalji os-a: WN7
  • Važnost: IMP
  • Operativni sustavi: L
  • Kategorije: LRH

—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256

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

Synopsis: Moderate: kernel-rt security and bug fix update
Advisory ID: RHSA-2020:5428-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5428
Issue date: 2020-12-15
CVE Names: CVE-2020-16166
=====================================================================

1. Summary:

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 EUS (v. 8.2) – x86_64
Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2) – 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):

* kernel: information exposure in drivers/char/random.c and
kernel/time/timer.c (CVE-2020-16166)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Bug Fix(es):

* kernel-rt: update RT source tree to the RHEL-8.2.z#5 source tree
(BZ#1873287)

* optimization for delaying the freeing of empty slubs causes a NULL
pointer dereference (BZ#1880502)

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/):

1865751 – CVE-2020-16166 kernel: information exposure in drivers/char/random.c and kernel/time/timer.c
1880502 – optimization for delaying the freeing of empty slubs causes a NULL pointer dereference [rhel-8.2.0.z]

6. Package List:

Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2):

Source:
kernel-rt-4.18.0-193.37.1.rt13.87.el8_2.src.rpm

x86_64:
kernel-rt-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-core-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debug-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debug-core-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debug-debuginfo-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debug-devel-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debug-kvm-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debug-modules-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debug-modules-extra-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debuginfo-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-devel-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-kvm-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-modules-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-modules-extra-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm

Red Hat Enterprise Linux Real Time EUS (v. 8.2):

Source:
kernel-rt-4.18.0-193.37.1.rt13.87.el8_2.src.rpm

x86_64:
kernel-rt-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-core-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debug-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debug-core-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debug-debuginfo-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debug-devel-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debug-modules-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debug-modules-extra-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debuginfo-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-devel-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-modules-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
kernel-rt-modules-extra-4.18.0-193.37.1.rt13.87.el8_2.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-2020-16166
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2020 Red Hat, Inc.
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1
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=gpEc
—–END PGP SIGNATURE—–


RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce

—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256

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

Synopsis: Important: kernel-rt security and bug fix update
Advisory ID: RHSA-2020:5441-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5441
Issue date: 2020-12-15
CVE Names: CVE-2019-18282 CVE-2020-10769 CVE-2020-14314
CVE-2020-14385 CVE-2020-24394 CVE-2020-25212
CVE-2020-25643
=====================================================================

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 for Real Time (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):

* kernel: metadata validator in XFS may cause an inode with a valid,
user-creatable extended attribute to be flagged as corrupt (CVE-2020-14385)

* kernel: The flow_dissector feature allows device tracking
(CVE-2019-18282)

* kernel: Buffer over-read in crypto_authenc_extractkeys() when a payload
longer than 4 bytes is not aligned. (CVE-2020-10769)

* kernel: buffer uses out of index in ext3/4 filesystem (CVE-2020-14314)

* kernel: umask not applied on filesystem without ACL support
(CVE-2020-24394)

* kernel: TOCTOU mismatch in the NFS client code (CVE-2020-25212)

* kernel: improper input validation in ppp_cp_parse_cr function leads to
memory corruption and read overflow (CVE-2020-25643)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Bug Fix(es):

* kernel-rt: update to the latest RHEL7.9.z2 source tree (BZ#1873318)

* deadlock between handle_mm_fault() and ptep_clear_flush() (BZ#1888872)

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/):

1708775 – CVE-2020-10769 kernel: Buffer over-read in crypto_authenc_extractkeys() when a payload longer than 4 bytes is not aligned.
1796360 – CVE-2019-18282 kernel: The flow_dissector feature allows device tracking
1853922 – CVE-2020-14314 kernel: buffer uses out of index in ext3/4 filesystem
1869141 – CVE-2020-24394 kernel: umask not applied on filesystem without ACL support
1874800 – CVE-2020-14385 kernel: metadata validator in XFS may cause an inode with a valid, user-creatable extended attribute to be flagged as corrupt
1877575 – CVE-2020-25212 kernel: TOCTOU mismatch in the NFS client code
1879981 – CVE-2020-25643 kernel: improper input validation in ppp_cp_parse_cr function leads to memory corruption and read overflow
1888872 – deadlock between handle_mm_fault() and ptep_clear_flush() [rhel-7.9.z]

6. Package List:

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

Source:
kernel-rt-3.10.0-1160.11.1.rt56.1145.el7.src.rpm

noarch:
kernel-rt-doc-3.10.0-1160.11.1.rt56.1145.el7.noarch.rpm

x86_64:
kernel-rt-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-debug-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-debug-debuginfo-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-debug-devel-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-debug-kvm-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-debug-kvm-debuginfo-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-debuginfo-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-devel-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-kvm-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-kvm-debuginfo-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-trace-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-trace-debuginfo-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-trace-devel-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-trace-kvm-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-trace-kvm-debuginfo-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm

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

Source:
kernel-rt-3.10.0-1160.11.1.rt56.1145.el7.src.rpm

noarch:
kernel-rt-doc-3.10.0-1160.11.1.rt56.1145.el7.noarch.rpm

x86_64:
kernel-rt-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-debug-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-debug-debuginfo-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-debug-devel-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-debuginfo-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-devel-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-trace-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-trace-debuginfo-3.10.0-1160.11.1.rt56.1145.el7.x86_64.rpm
kernel-rt-trace-devel-3.10.0-1160.11.1.rt56.1145.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-2019-18282
https://access.redhat.com/security/cve/CVE-2020-10769
https://access.redhat.com/security/cve/CVE-2020-14314
https://access.redhat.com/security/cve/CVE-2020-14385
https://access.redhat.com/security/cve/CVE-2020-24394
https://access.redhat.com/security/cve/CVE-2020-25212
https://access.redhat.com/security/cve/CVE-2020-25643
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2020 Red Hat, Inc.
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1
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=KzD/
—–END PGP SIGNATURE—–


RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce

Autor161.53.13.146
Cert idNCERT-REF-2020-12-0001-ADV
CveCERT-CVE-DUMMY
ID izvornikaCERT-ORIGID-DUMMY
ProizvodCERT-DUMMY-PRODUCT
IzvorAdobe
Top
More in Preporuke
Sigurnosni nedostatak programskog paketa pacemaker

Otkriven je sigurnosni nedostatak u programskom paketu pacemaker za operacijski sustav RHEL. Otkriveni nedostatak potencijalnim napadačima omogućuje zaobilaženje sigurnosnih ograničenja....

Close