Information exposure in Linux kernel - CVE-2012-6537

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Main Vulnerability Database Vulnerabilities #VU92526

Information exposure in Linux kernel - CVE-2012-6537

Published: March 15, 2013 / Updated: April 22, 2019


Vulnerability identifier: #VU92526
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-6537
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information exposure error within the copy_to_user_tmpl() function in net/xfrm/xfrm_user.c. A local user can gain access to sensitive information.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-image-2.6.32-351-ec2 (Ubuntu package)
linux-lts-backport-oneiric (Ubuntu package)

How to mitigate CVE-2012-6537

Install update from vendor's repository.

linux (Ubuntu package) - addressed in versions 2.6.32-46.107, 3.0.0-28.45, 3.2.0-34.53, 3.5.0-19.30
linux-image-2.6.32-351-ec2 (Ubuntu package) - update to 2.6.32-351.63
linux-lts-backport-oneiric (Ubuntu package) - update to 3.0.0-28.45~lucid1

External References

Related Security Bulletins