You are here
Home > Preporuke > Sigurnosni nedostatak programske biblioteke libvirt

Sigurnosni nedostatak programske biblioteke libvirt

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

==========================================================================
Ubuntu Security Notice USN-3561-1
February 07, 2018

libvirt update
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 17.10
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

Spectre mitigations were added to libvirt.

Software Description:
– libvirt: Libvirt virtualization toolkit

Details:

It was discovered that microprocessors utilizing speculative execution
and branch prediction may allow unauthorized memory reads via sidechannel
attacks. This flaw is known as Spectre. An attacker in the guest could use
this to expose sensitive guest information, including kernel memory.

This update allows libvirt to expose new CPU features added by microcode
updates to guests. On amd64 and i386, new CPU models that match the updated
microcode features were added with an -IBRS suffix. Certain environments
will require guests to be switched manually to the new CPU models after
microcode updates have been applied to the host.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 17.10:
libvirt-bin 3.6.0-1ubuntu6.2
libvirt0 3.6.0-1ubuntu6.2

Ubuntu 16.04 LTS:
libvirt-bin 1.3.1-1ubuntu10.17
libvirt0 1.3.1-1ubuntu10.17

Ubuntu 14.04 LTS:
libvirt-bin 1.2.2-0ubuntu13.1.25
libvirt0 1.2.2-0ubuntu13.1.25

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
https://www.ubuntu.com/usn/usn-3561-1
CVE-2017-5715

Package Information:
https://launchpad.net/ubuntu/+source/libvirt/3.6.0-1ubuntu6.2
https://launchpad.net/ubuntu/+source/libvirt/1.3.1-1ubuntu10.17
https://launchpad.net/ubuntu/+source/libvirt/1.2.2-0ubuntu13.1.25

—–BEGIN PGP SIGNATURE—–
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=27/z
—–END PGP SIGNATURE—–

AutorDanijel Kozinovic
Cert idNCERT-REF-2018-02-0060-ADV
CveCERT-CVE-DUMMY
ID izvornikaCERT-ORIGID-DUMMY
ProizvodCERT-DUMMY-PRODUCT
Izvorhttp://www.adobe.com/
Top
More in Preporuke
Sigurnosni nedostaci programskog paketa flash-plugin

Otkriveni su sigurnosni nedostaci u programskom paketu flash-plugin za operacijski sustav RHEL. Otkriveni nedostaci potencijalnim napadačima omogućuju izvršavanje proizvoljnog programskog...

Close