SUSE SLED11 / SLES11 Security Update : kvm (SUSE-SU-2016:0010-1)

This script is Copyright (C) 2016 Tenable Network Security, Inc.


Synopsis :

The remote SUSE host is missing one or more security updates.

Description :

This update for kvm fixes the following issues :

Security issues fixed :

- CVE-2015-7512: The receive packet size is now checked in
the emulated pcnet driver, eliminating buffer overflow
and potential security issue by malicious guest systems.
(bsc#957162)

- CVE-2015-8345: A infinite loop in processing command
block list was fixed that could be exploit by malicious
guest systems (bsc#956829).

Other bugs fixed :

- To assist users past the migration incompatibility
discussed in bsc#950590 (restore migration compatibility
with SLE11 SP3 and SLE12, at the unfortunate expense to
prior SLE11 SP4 kvm release compatability when a
virtio-net device is used), print a message which
references the support document TID 7017048. See
https://www.suse.com/support/kb/doc.php?id=7017048

- Fix cases of wrong clock values in kvmclock timekeeping
(bsc#947164 and bsc#953187)

- Enforce pxe rom sizes to ensure migration compatibility.
(bsc#950590)

- Fix kvm live migration fails between sles11 sp3 and sp4
(bsc#950590)

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

See also :

https://bugzilla.suse.com/947164
https://bugzilla.suse.com/950590
https://bugzilla.suse.com/953187
https://bugzilla.suse.com/956829
https://bugzilla.suse.com/957162
https://www.suse.com/security/cve/CVE-2015-7512.html
https://www.suse.com/security/cve/CVE-2015-8345.html
https://www.suse.com/support/kb/doc.php?id=7017048
http://www.nessus.org/u?aff89398

Solution :

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server 11-SP4 :

zypper in -t patch slessp4-kvm-12293=1

SUSE Linux Enterprise Desktop 11-SP4 :

zypper in -t patch sledsp4-kvm-12293=1

To bring your system up-to-date, use 'zypper patch'.

Risk factor :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.8
(CVSS2#E:U/RL:ND/RC:C)
Public Exploit Available : false

Family: SuSE Local Security Checks

Nessus Plugin ID: 87857 ()

Bugtraq ID:

CVE ID: CVE-2015-7512
CVE-2015-8345

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