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CVE-2012-2136 Detail

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.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc Broken Link 
http://rhn.redhat.com/errata/RHSA-2012-0743.html Third Party Advisory  VDB Entry 
http://rhn.redhat.com/errata/RHSA-2012-1087.html Third Party Advisory 
http://ubuntu.com/usn/usn-1529-1 Third Party Advisory 
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5 Vendor Advisory 
http://www.securityfocus.com/bid/53721 Third Party Advisory  VDB Entry 
http://www.ubuntu.com/usn/USN-1535-1 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=816289 Issue Tracking 
https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc Exploit  Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-20 Improper Input Validation cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-2136
NVD Published Date:
08/09/2012
NVD Last Modified:
10/12/2023
Source:
Red Hat, Inc.