Improper input validation in Linux kernel

1) Improper input validation

EUVDB-ID: #VU94808

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-2005-1762

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform service disruption.

The ptrace call in the Linux kernel 2.6.8.1 and 2.6.10 for the AMD64 platform allows local users to cause a denial of service (kernel crash) via a 'non-canonical' address.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

External links

http://secunia.com/advisories/15786
http://secunia.com/advisories/17002
http://secunia.com/advisories/17073
http://secunia.com/advisories/18056
http://secunia.com/advisories/18059
http://www.debian.org/security/2005/dsa-921
http://www.debian.org/security/2005/dsa-922
http://www.novell.com/linux/security/advisories/2005_29_kernel.html
http://www.redhat.com/support/errata/RHSA-2005-514.html
http://www.redhat.com/support/errata/RHSA-2005-663.html
http://www.securityfocus.com/archive/1/427980/100/0/threaded
http://www.securityfocus.com/archive/1/428058/100/0/threaded
http://www.securityfocus.com/bid/13904
http://www.vupen.com/english/advisories/2005/1878
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10630
http://usn.ubuntu.com/143-1/

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.