CVE-2007-0006

Severity: low (CVSS 1.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-02-06 · updated 2026-06-16

Description

The key serial number collision avoidance code in the key_alloc_serial function in Linux kernel 2.6.9 up to 2.6.20 allows local users to cause a denial of service (crash) via vectors that trigger a null dereference, as originally reported as "spinlock CPU recursion."

Affected products

Linux kernel: through 2.6.20; 2.6.9-2.6.20

References

http://bugzilla.kernel.org/show_bug.cgi?id=7727
http://secunia.com/advisories/24109
http://secunia.com/advisories/24259
http://secunia.com/advisories/24300
http://secunia.com/advisories/24429
http://secunia.com/advisories/24482
http://secunia.com/advisories/24547
http://secunia.com/advisories/24752
http://secunia.com/advisories/25691
http://www.mandriva.com/security/advisories?name=MDKSA-2007:047
http://www.mandriva.com/security/advisories?name=MDKSA-2007:060
http://www.novell.com/linux/security/advisories/2007_21_kernel.html

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