National Cyber Awareness System
Vulnerability Summary for CVE-2012-2745
Original release date:08/09/2012
Last revised:04/19/2013
Source:
US-CERT/NIST
Overview
The copy_creds function in kernel/cred.c in the Linux kernel before 3.3.2 provides an invalid replacement session keyring to a child process, which allows local users to cause a denial of service (panic) via a crafted application that uses the fork system call.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.9
Exploitability Subscore:
3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: https://github.com/torvalds/linux/commit/79549c6dfda0603dba9a70a53467ce62d9335c33
Type: Patch Information
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=833428
External Source: UBUNTU
Name: USN-1606-1
External Source: UBUNTU
Name: USN-1597-1
External Source: UBUNTU
Name: USN-1567-1
External Source: SECTRACK
Name: 1027236
External Source: BID
Name: 54365
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.2
External Source: SECUNIA
Name: 50961
External Source: SECUNIA
Name: 50853
External Source: SECUNIA
Name: 50633
External Source: REDHAT
Name: RHSA-2012:1064
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=79549c6dfda0603dba9a70a53467ce62d9335c33