Denial of Service Vulnerability in Linux Kernel's key_reject_and_link Function

CVE-2016-4470 · MEDIUM Severity

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

The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command.

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