Ubuntu 10.04 LTS : linux-lts-backport-maverick vulnerabilities (USN-1421-1)

Ubuntu Security Notice (C) 2012-2016 Canonical, Inc. / NASL script (C) 2012-2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related
patches.

Description :

Sasha Levin discovered a flaw in the permission checking for device
assignments requested via the kvm ioctl in the Linux kernel. A local
user could use this flaw to crash the system causing a denial of
service. (CVE-2011-4347)

Stephan Barwolf discovered a flaw in the KVM (kernel-based virtual
machine) subsystem of the Linux kernel. A local unprivileged user can
crash use this flaw to crash VMs causing a deny of service.
(CVE-2012-0045)

H. Peter Anvin reported a flaw in the Linux kernel that could crash
the system. A local user could exploit this flaw to crash the system.
(CVE-2012-1097)

A flaw was discovered in the Linux kernel's cgroups subset. A local
attacker could use this flaw to crash the system. (CVE-2012-1146).

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

Solution :

Update the affected packages.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.7
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 58741 ()

Bugtraq ID: 50811
51389
52274
52324

CVE ID: CVE-2011-4347
CVE-2012-0045
CVE-2012-1097
CVE-2012-1146