NULL pointer dereference in Linux kernel - CVE-2010-1643

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Main Vulnerability Database Vulnerabilities #VU93714

NULL pointer dereference in Linux kernel - CVE-2010-1643

Published: June 3, 2010 / Updated: February 13, 2023


Vulnerability identifier: #VU93714
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2010-1643
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to execute arbitrary code.

mm/shmem.c in the Linux kernel before 2.6.28-rc3, when strict overcommit is enabled, does not properly handle the export of shmemfs objects by knfsd, which allows attackers to cause a denial of service (NULL pointer dereference and knfsd crash) or possibly have unspecified other impact via unknown vectors.


Affected software

Linux kernel
Ubuntu
linux-source-2.6.15 (Ubuntu package)
linux (Ubuntu package)

How to mitigate CVE-2010-1643

Install update from vendor's website.

linux-source-2.6.15 (Ubuntu package) - update to 2.6.15-55.86
linux (Ubuntu package) - addressed in versions 2.6.24-28.73, 2.6.28-19.62, 2.6.31-22.61, 2.6.32-24.39

External References

Related Security Bulletins