Information exposure in Linux kernel - CVE-2012-6548

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Main Vulnerability Database Vulnerabilities #VU92527

Information exposure in Linux kernel - CVE-2012-6548

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


Vulnerability identifier: #VU92527
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-2012-6548
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 udf_encode_fh() function in fs/udf/namei.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-quantal (Ubuntu package)

How to mitigate CVE-2012-6548

Install update from vendor's repository.

linux (Ubuntu package) - addressed in versions 2.6.32-46.108, 3.2.0-41.66, 3.5.0-28.48
linux-image-2.6.32-351-ec2 (Ubuntu package) - update to 2.6.32-351.64
linux-lts-quantal (Ubuntu package) - update to 3.5.0-28.48~precise1

External References

Related Security Bulletins