Improper input validation in Linux kernel

1) Improper input validation

EUVDB-ID: #VU95470

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-2005-3044

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform service disruption.

Multiple vulnerabilities in Linux kernel before 2.6.13.2 allow local users to cause a denial of service (kernel OOPS from null dereference) via (1) fput in a 32-bit ioctl on 64-bit x86 systems or (2) sockfd_put in the 32-bit routing_ioctl function on 64-bit systems.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

External links

http://kernel.org/git/?p=linux/kernel/git/aegl/linux-2.6.git;a=commitdiff;h=35311d6478077f7bfe35c1c653193e658bf32686
http://kernel.org/git/?p=linux/kernel/git/chrisw/linux-2.6.13.y.git;a=commit;h=98debffa9114b60138b3dbd4d02ce13f01a07ab4
http://secunia.com/advisories/17826
http://secunia.com/advisories/17917
http://secunia.com/advisories/17918
http://secunia.com/advisories/18510
http://secunia.com/advisories/18562
http://secunia.com/advisories/19374
http://www.debian.org/security/2006/dsa-1017
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.13.2
http://www.mandriva.com/security/advisories?name=MDKSA-2005:218
http://www.mandriva.com/security/advisories?name=MDKSA-2005:219
http://www.mandriva.com/security/advisories?name=MDKSA-2005:220
http://www.mandriva.com/security/advisories?name=MDKSA-2005:235
http://www.mandriva.com/security/advisories?name=MDKSA-2006:059
http://www.redhat.com/support/errata/RHSA-2006-0101.html
http://www.redhat.com/support/errata/RHSA-2006-0140.html
http://www.securityfocus.com/advisories/9806
http://www.securityfocus.com/archive/1/419522/100/0/threaded
http://www.securityfocus.com/archive/1/427980/100/0/threaded
http://www.securityfocus.com/archive/1/427981/100/0/threaded
http://www.securityfocus.com/archive/1/428058/100/0/threaded
http://www.securityfocus.com/bid/14902
http://www.ubuntu.com/usn/usn-187-1
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9561

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.