Loop with unreachable exit condition ('infinite loop') in Linux kernel

Published: 2005-10-27 | Updated: 2024-11-05

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2005-2973
CWE-ID	CWE-835
Exploitation vector	Local
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software	Linux kernel Operating systems & Components / Operating system
Vendor	Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Loop with unreachable exit condition ('infinite loop')

EUVDB-ID: #VU99727

Risk: Low

CVSSv4.0: 1.9 [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:P/U:Clear]

CVE-ID: CVE-2005-2973

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: Yes

Description

The vulnerability allows a local user to perform service disruption.

The udp_v6_get_port function in udp.c in Linux 2.6 before 2.6.14-rc5, when running IPv6, allows local users to cause a denial of service (infinite loop and 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

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.