CVE-2006-0039 Race condition in n/a

What is CVE-2006-0039?

CVE-2006-0039 is a medium-severity vulnerability in Linux kernel, published on 19 May 2006. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Race condition in the do_add_counters function in netfilter for Linux kernel 2.6.16 allows local users with CAP_NET_ADMIN capabilities to read kernel memory by triggering the race condition in a way that produces a size value that is inconsistent with allocated memory, which leads to a buffer over-read in IPT_ENTRY_ITERATE.

Weakness: CWE-362

Which versions are affected by CVE-2006-0039?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2006-0039?

Apply the vendor's patch.

Is CVE-2006-0039 being exploited?

There is no known exploitation of CVE-2006-0039 in the wild and no public exploit code.

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-25rg-6fcp-95mq.