Improper input validation in Linux kernel

1) Improper input validation

EUVDB-ID: #VU95639

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-2005-1041

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform service disruption.

The fib_seq_start function in fib_hash.c in Linux kernel allows local users to cause a denial of service (system crash) via /proc/net/route.

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://marc.info/?l=bk-commits-head&m=111186506706769&w=2
https://secunia.com/advisories/17918
https://www.redhat.com/support/errata/RHSA-2005-366.html
https://www.securityfocus.com/archive/1/419522/100/0/threaded
https://www.securityfocus.com/archive/1/427980/100/0/threaded
https://www.securityfocus.com/bid/13267
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9487

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.