PT-2026-136081

In the Linux kernel, the following vulnerability has been resolved: KEYS: Fix key reject and link race with keyring restriction The restrict link check in key reject and link is done before taking the keyring semaphore, racing with a concurrent keyring restrict that installs the restriction while...

UBUNTU-CVE-2016-4470

The keyrejectandlink 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...