Improper input validation in Linux kernel

1) Improper input validation

EUVDB-ID: #VU95470

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-2005-3044

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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

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