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
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[linux-kernel] 20111115 [PATCH] KEYS: Fix a NULL pointer deref in the user-defined key type
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