VULNERABILITY INTELLIGENCE
CVE-2011-4110
CVSS score2.1 LOW
EPSS probability0.47%
CISA KEVNot currently listed
Published2012-01-27
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:N/I:N/A:P
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."