CVE-2012-2136

2012-05-2900:00:00

ubuntu.com

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

Percentile

5.1%

JSON

The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel
before 3.4.5 does not properly validate a certain length value, which
allows local users to cause a denial of service (heap-based buffer overflow
and system crash) or possibly gain privileges by leveraging access to a
TUN/TAP device.

Bugs

Notes

Author	Note
jdstrand	linux-armadaxp is maintained by OEM
tyhicks	No upstream fix yet, but an initial patch is under review (see References) Patch tags indicate that 2.6.27+ is affected.

OSVersionArchitecturePackageVersionFilename
ubuntu8.04noarchlinux< 2.6.24-32.105UNKNOWN
ubuntu10.04noarchlinux< 2.6.32-42.95UNKNOWN
ubuntu11.04noarchlinux< 2.6.38-15.65UNKNOWN
ubuntu11.10noarchlinux< 3.0.0-24.40UNKNOWN
ubuntu12.04noarchlinux< 3.2.0-29.46UNKNOWN
ubuntu12.04noarchlinux-armadaxp< 3.2.0-1606.9UNKNOWN
ubuntu10.04noarchlinux-ec2< 2.6.32-347.52UNKNOWN
ubuntu10.04noarchlinux-lts-backport-natty< 2.6.38-15.65~lucid1UNKNOWN
ubuntu10.04noarchlinux-lts-backport-oneiric< 3.0.0-24.40~lucid1UNKNOWN
ubuntu11.04noarchlinux-ti-omap4< 2.6.38-1209.25UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	8.04	noarch	linux	< 2.6.24-32.105	UNKNOWN
ubuntu	10.04	noarch	linux	< 2.6.32-42.95	UNKNOWN
ubuntu	11.04	noarch	linux	< 2.6.38-15.65	UNKNOWN
ubuntu	11.10	noarch	linux	< 3.0.0-24.40	UNKNOWN
ubuntu	12.04	noarch	linux	< 3.2.0-29.46	UNKNOWN
ubuntu	12.04	noarch	linux-armadaxp	< 3.2.0-1606.9	UNKNOWN
ubuntu	10.04	noarch	linux-ec2	< 2.6.32-347.52	UNKNOWN
ubuntu	10.04	noarch	linux-lts-backport-natty	< 2.6.38-15.65~lucid1	UNKNOWN
ubuntu	10.04	noarch	linux-lts-backport-oneiric	< 3.0.0-24.40~lucid1	UNKNOWN
ubuntu	11.04	noarch	linux-ti-omap4	< 2.6.38-1209.25	UNKNOWN