The KEYS subsystem in the Linux kernel before 4.4 allows local users
to gain privileges or cause a denial of service (BUG) via crafted
keyctl commands that negatively instantiate a key, related to
security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c, and
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[oss-security] 20151208 CVE request - Linux kernel - Fix handling of stored error in a negatively instantiated user key
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