Input validation error in Linux kernel

1) Input validation error

EUVDB-ID: #VU94176

Risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2004-1074

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows a local user to perform service disruption.

The binfmt functionality in the Linux kernel, when 'memory overcommit' is enabled, allows local users to cause a denial of service (kernel oops) via a malformed a.out binary.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000930
http://marc.info/?l=bugtraq&m=110322596918807&w=2
http://marc.info/?l=linux-kernel&m=110021173607372&w=2
http://secunia.com/advisories/20162
http://secunia.com/advisories/20163
http://secunia.com/advisories/20202
http://secunia.com/advisories/20338
http://www.debian.org/security/2006/dsa-1067
http://www.debian.org/security/2006/dsa-1069
http://www.debian.org/security/2006/dsa-1070
http://www.debian.org/security/2006/dsa-1082
http://www.mandriva.com/security/advisories?name=MDKSA-2005:022
http://www.securityfocus.com/bid/11754
http://www.trustix.org/errata/2005/0001/
http://bugzilla.fedora.us/show_bug.cgi?id=2336
http://exchange.xforce.ibmcloud.com/vulnerabilities/18290
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9751

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. However, proof of concept for this vulnerability is available.