Vulnerability in Linux Kernel

CVE-2009-3624

The get_instantiation_keyring function in security/keys/keyctl.c in the KEYS subsystem in the Linux kernel before 2.6.32-rc5 does not properly maintain the reference count of a keyring, which allows local users to gain privileges or cause a denial of service (OOPS) via vectors involving calls to this function without specifying a keyring by ID, as demonstrated by a series of keyctl request2 and keyctl list commands.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.004 (29.9th percentile) — read the EPSS interpretation.