Improper locking in Linux kernel

1) Improper locking

EUVDB-ID: #VU95602

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2005-3805

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

A locking problem in POSIX timer cleanup handling on exit in Linux kernel 2.6.10 to 2.6.14, when running on SMP systems, allows local users to cause a denial of service (deadlock) involving process CPU timers.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

External links

http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=25f407f0b668f5e4ebd5d13e1fb4306ba6427ead
http://secunia.com/advisories/17917
http://secunia.com/advisories/17918
http://secunia.com/advisories/18203
http://www.mandriva.com/security/advisories?name=MDKSA-2006:018
http://www.securityfocus.com/advisories/9806
http://www.securityfocus.com/archive/1/419522/100/0/threaded
http://www.securityfocus.com/archive/1/427981/100/0/threaded
http://www.securityfocus.com/bid/15722
http://usn.ubuntu.com/231-1/

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.