What’s Vulnerable › Vulnerabilities

CVE-2006-6304

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2006-12-14 · updated 2026-06-16
• Weakness: CWE-399

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.

Affected products

• Linux kernel: 2.6.19

References

• http://secunia.com/advisories/23349
• http://support.avaya.com/css/P8/documents/100073666
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.19.1
• http://www.securityfocus.com/bid/21591
• http://www.trustix.org/errata/2006/0074/
• http://www.vupen.com/english/advisories/2006/5002
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10797
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7446
• https://rhn.redhat.com/errata/RHSA-2010-0046.html
• https://rhn.redhat.com/errata/RHSA-2010-0095.html
• http://secunia.com/advisories/23349
• http://support.avaya.com/css/P8/documents/100073666

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