SB2011090611 - Null pointer dereference in Linux kernel
Published: September 6, 2011
Security Bulletin ID
SB2011090611
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Null pointer dereference (CVE-ID: CVE-2011-2184)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: 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]
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to null pointer dereference error. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- http://www.openwall.com/lists/oss-security/2011/06/03/2
- http://alt.swiecki.net/linux_kernel/sys_open-kmem_cache_alloc-2.6.39-rc4.txt
- https://lkml.org/lkml/2011/5/23/199
- http://www.openwall.com/lists/oss-security/2011/06/06/2
- https://lkml.org/lkml/2011/5/24/502
- https://lkml.org/lkml/2011/5/25/265
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.1
- http://securityreason.com/securityalert/8371
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f7285b5d631fd6096b11c6af0058ed3a2b30ef4e