CVE-2006-6304 Race condition in n/a

What is CVE-2006-6304?

CVE-2006-6304 is a high-severity vulnerability in Linux kernel, published on 14 Dec 2006. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The do_coredump function in fs/exec.c in the Linux kernel 2.6.19 sets the flag variable to O_EXCL but does not use it, which allows context-dependent attackers to modify arbitrary files via a rewrite attack during a core dump.

Weakness: CWE-399

Which versions are affected by CVE-2006-6304?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2006-6304?

Apply the vendor's patch.

Is CVE-2006-6304 being exploited?

There is no known exploitation of CVE-2006-6304 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-v3wx-9x2c-vf5m.