CVE-2006-2446 Race condition in n/a

What is CVE-2006-2446?

CVE-2006-2446 is a medium-severity vulnerability in Linux kernel, published on 15 Aug 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Race condition between the kfree_skb and __skb_unlink functions in the socket buffer handling in Linux kernel 2.6.9, and possibly other versions, allows remote attackers to cause a denial of service (crash), as demonstrated using the TCP stress tests from the LTP test suite.

Which versions are affected by CVE-2006-2446?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2006-2446?

Apply the vendor's patch.

Is CVE-2006-2446 being exploited?

There is no known exploitation of CVE-2006-2446 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-9rjv-c6fw-mm24.