#VU95632 Improper input validation in Linux kernel - CVE-2005-3053

Vulnerability identifier: #VU95632

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2005-3053

CWE-ID: CWE-20

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.

The sys_set_mempolicy function in mempolicy.c in Linux kernel 2.6.x allows local users to cause a denial of service (kernel BUG()) via a negative first argument.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://www.ubuntu.com/usn/usn-199-1
https://www.redhat.com/support/errata/RHSA-2005-808.html
https://secunia.com/advisories/17364
https://www.securityfocus.com/bid/15049
https://www.debian.org/security/2006/dsa-1017
https://secunia.com/advisories/17141
https://secunia.com/advisories/17826
https://secunia.com/advisories/19374
https://www.mandriva.com/security/advisories?name=MDKSA-2005:220
https://www.mandriva.com/security/advisories?name=MDKSA-2005:219
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10576
https://www.securityfocus.com/archive/1/427980/100/0/threaded
https://linux.bkbits.net:8080/linux-2.6/cset%4042eef8b09C5r6iI0LuMe5Uy3k05c5g

---

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.