Denial of Service Vulnerability in Linux Kernel 2.6 User Update Function

Denial of Service Vulnerability in Linux Kernel 2.6 User Update Function

CVE-2011-4110 · LOW Severity

AV:L/AC:L/AU:N/C:N/I:N/A:P

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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