Improper locking in Linux kernel - CVE-2005-3847
Published: August 2, 2024
Vulnerability identifier: #VU95239
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2005-3847
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2005-3847
Install update from vendor's repository.
Sources
- 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