Input validation error in Linux kernel - CVE-2012-1090

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU44068

Input validation error in Linux kernel - CVE-2012-1090

Published: May 17, 2012 / Updated: August 11, 2020


Vulnerability identifier: #VU44068
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-1090
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.

The cifs_lookup function in fs/cifs/dir.c in the Linux kernel before 3.2.10 allows local users to cause a denial of service (OOPS) via attempted access to a special file, as demonstrated by a FIFO.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-backport-natty (Ubuntu package)
linux-lts-backport-oneiric (Ubuntu package)

How to mitigate CVE-2012-1090

Install update from vendor's website.

Linux kernel - update to 3.2.10
linux (Ubuntu package) - addressed in versions 2.6.32-41.88, 2.6.38-15.59, 3.0.0-19.33
linux-lts-backport-natty (Ubuntu package) - update to 2.6.38-15.59~lucid1
linux-lts-backport-oneiric (Ubuntu package) - update to 3.0.0-19.33~lucid1

External References

Related Security Bulletins