Improper input validation in Linux kernel

1) Improper input validation

EUVDB-ID: #VU95637

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-2005-0135

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform service disruption.

The unw_unwind_to_user function in unwind.c on Itanium (ia64) architectures in Linux kernel 2.6 allows local users to cause a denial of service (system crash).

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://linux.bkbits.net:8080/linux-2.6/cset@41f2beablXVnAs_6fznhhITh1j5hZg
https://secunia.com/advisories/15019
https://secunia.com/advisories/20163
https://secunia.com/advisories/20202
https://secunia.com/advisories/20338
https://www.debian.org/security/2006/dsa-1067
https://www.debian.org/security/2006/dsa-1069
https://www.debian.org/security/2006/dsa-1070
https://www.debian.org/security/2006/dsa-1082
https://www.redhat.com/support/errata/RHSA-2005-284.html
https://www.redhat.com/support/errata/RHSA-2005-293.html
https://www.redhat.com/support/errata/RHSA-2005-366.html
https://www.securityfocus.com/bid/13266
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=148868
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9040

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.