SB2009050501 - Race condition in Linux kernel
Published: May 5, 2009 Updated: June 8, 2024
Security Bulletin ID
SB2009050501
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 security vulnerability.
1) Race condition (CVE-ID: CVE-2009-1527)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to a race condition within the ptrace_attach() and write_unlock_irqrestore() functions in kernel/ptrace.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb
- http://secunia.com/advisories/34977
- http://secunia.com/advisories/35120
- http://wiki.rpath.com/Advisories:rPSA-2009-0084
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4
- http://www.openwall.com/lists/oss-security/2009/05/04/2
- http://www.osvdb.org/54188
- http://www.securityfocus.com/archive/1/503610/100/0/threaded
- http://www.securityfocus.com/bid/34799
- http://www.vupen.com/english/advisories/2009/1236
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50293