Unrated severityNVD Advisory· Published Jan 27, 2012· Updated Jun 16, 2026
CVE-2011-4110
CVE-2011-4110
Description
The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and "updating a negative key into a fully instantiated key."
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
References
11- bugzilla.redhat.com/show_bug.cginvdPatch
- lkml.org/lkml/2011/11/15/363nvdExploit
- marc.infonvd
- secunia.com/advisories/47754nvd
- www.openwall.com/lists/oss-security/2011/11/21/19nvd
- www.openwall.com/lists/oss-security/2011/11/22/5nvd
- www.openwall.com/lists/oss-security/2011/11/22/6nvd
- www.securityfocus.com/bid/50755nvd
- www.ubuntu.com/usn/USN-1324-1nvd
- www.ubuntu.com/usn/USN-1328-1nvd
- www.ubuntu.com/usn/USN-1344-1nvd
News mentions
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