CVE-2006-6304

CVE-2006-6304 is a high-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

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.

Frequently asked questions

What is CVE-2006-6304?
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.
How severe is CVE-2006-6304?
CVE-2006-6304 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-6304 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6304?
CVE-2006-6304 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-6304?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-6304 published?
CVE-2006-6304 was published on 2006-12-14 and last updated on 2026-06-16.

References

Affected products (1)

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