Vulnerability identifier: #VU95630

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2005-3271

CWE-ID: CWE-402

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform service disruption.

Exec in Linux kernel 2.6 does not properly clear posix-timers in multi-threaded environments, which results in a resource leak and could allow a large number of multiple local users to cause a denial of service by using more posix-timers than specified by the quota for a single user.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel:

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External links
http://linux.bkbits.net:8080/linux-2.6/cset@414b332fsZQvEUsfzKJIo-q2_ZH0hg
http://secunia.com/advisories/17826
http://secunia.com/advisories/17917
http://secunia.com/advisories/18056
http://www.debian.org/security/2005/dsa-922
http://www.mandriva.com/security/advisories?name=MDKSA-2005:218
http://www.mandriva.com/security/advisories?name=MDKSA-2005:219
http://www.securityfocus.com/advisories/9806
http://www.securityfocus.com/bid/15533
http://www.ussg.iu.edu/hypermail/linux/kernel/0409.1/1107.html
http://usn.ubuntu.com/219-1/

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.