NULL pointer dereference in Linux kernel - CVE-2013-1827

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Main Vulnerability Database Vulnerabilities #VU42967

NULL pointer dereference in Linux kernel - CVE-2013-1827

Published: March 22, 2013 / Updated: August 11, 2020


Vulnerability identifier: #VU42967
CSH Severity: Medium
CVSS v4: 7.5 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-1827
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the Linux kernel before 3.5.4 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability for a certain (1) sender or (2) receiver getsockopt call. Per: http://cwe.mitre.org/data/definitions/476. A remote attacker can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-image-2.6.32-350-ec2 (Ubuntu package)
linux-lts-backport-oneiric (Ubuntu package)

How to mitigate CVE-2013-1827

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

linux (Ubuntu package) - addressed in versions 2.6.32-45.100, 3.0.0-26.43
linux-image-2.6.32-350-ec2 (Ubuntu package) - update to 2.6.32-350.57
linux-lts-backport-oneiric (Ubuntu package) - update to 3.0.0-26.43~lucid1

External References

Related Security Bulletins