CVE-2012-2136

N/A Unknown
Published: August 09, 2012 Modified: April 29, 2026
View on NVD

Description

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc
Source: secalert@redhat.com
Broken Link
http://rhn.redhat.com/errata/RHSA-2012-0743.html
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://rhn.redhat.com/errata/RHSA-2012-1087.html
Source: secalert@redhat.com
Third Party Advisory
http://secunia.com/advisories/50807
Source: secalert@redhat.com
URL Repurposed
http://ubuntu.com/usn/usn-1529-1
Source: secalert@redhat.com
Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5
Source: secalert@redhat.com
Vendor Advisory
http://www.securityfocus.com/bid/53721
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-1535-1
Source: secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=816289
Source: secalert@redhat.com
Issue Tracking
https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc
Source: secalert@redhat.com
Exploit Patch
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://rhn.redhat.com/errata/RHSA-2012-0743.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://rhn.redhat.com/errata/RHSA-2012-1087.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/50807
Source: af854a3a-2127-422b-91ae-364da2661108
URL Repurposed
http://ubuntu.com/usn/usn-1529-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securityfocus.com/bid/53721
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-1535-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=816289
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Patch

20 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.6%
43th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

linux

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