CVE-2005-2973 Denial of service in n/a

What is CVE-2005-2973?

CVE-2005-2973 is a low-severity denial of service vulnerability in Linux kernel, published on 27 Oct 2005. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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).

Which versions are affected by CVE-2005-2973?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2005-2973?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2005-2973 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2005-2973 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-x3q3-8rvf-8jc4.