#VU94808 Improper input validation in Linux kernel - CVE-2005-1762

Vulnerability identifier: #VU94808

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-2005-1762

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 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

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

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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.