SB2024080244 - Improper locking in Linux kernel
Published: August 2, 2024
Security Bulletin ID
SB2024080244
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2005-3847)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The handle_stop_signal function in signal.c in Linux kernel 2.6.11 up to other versions before 2.6.13 and 2.6.12.6 allows local users to cause a denial of service (deadlock) by sending a SIGKILL to a real-time threaded process while it is performing a core dump.
Remediation
Install update from vendor's website.
References
- http://lists.suse.de/archive/suse-security-announce/2006-Feb/0010.html
- http://secunia.com/advisories/19038
- http://www.debian.org/security/2006/dsa-1017
- http://secunia.com/advisories/19374
- http://www.securityfocus.com/bid/16856
- http://marc.info/?l=linux-kernel&m=112508422716574&w=2
- http://marc.info/?l=linux-kernel&m=112430346613450&w=2
- http://www.kernel.org/git/?p=linux/kernel/git/chrisw/stable-queue.git%3Ba=blob%3Bh=f6cc7e101c49f356e4c4df5cca1ff352a0f01dd5%3Bhb=9c5fcb99af7c157be45e9d53aeb857ded5211fcd%3Bf=2.6.12.6/nptl-signal-delivery-deadlock-fix.patch
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=dd12f48d4e8774415b528d3991ae47c28f26e1ac%3Bhp=ade6648b3b11a5d81f6f28135193ab6d85d621db