NULL pointer dereference in Linux kernel - CVE-2008-7256
Published: June 3, 2010 / Updated: August 17, 2017
Vulnerability identifier: #VU91013
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2008-7256
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform service disruption.
The vulnerability exists due to NULL pointer dereference within the include/linux/security.h. A local user can perform service disruption.
Affected software
Linux kernel
Ubuntu
linux-source-2.6.15 (Ubuntu package)
linux (Ubuntu package)
Ubuntu
linux-source-2.6.15 (Ubuntu package)
linux (Ubuntu package)
How to mitigate CVE-2008-7256
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
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
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1b79cd04fab80be61dcd2732e2423aafde9a4c1c
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.28/ChangeLog-2.6.28-rc8
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
- http://www.openwall.com/lists/oss-security/2010/05/27/1
- https://bugzilla.redhat.com/show_bug.cgi?id=595970
- https://exchange.xforce.ibmcloud.com/vulnerabilities/59224