kernel: keyctl_set_reqkey_keyring() leaks thread keyrings

A vulnerability was found in the Linux kernel where the keyctlsetreqkeykeyring function leaks the thread keyring. This allows an unprivileged local user to exhaust kernel memory and thus cause a DoS...

DEBIAN-CVE-2017-7472

The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service memory consumption via a series of KEYREQKEYDEFLTHREADKEYRING keyctlsetreqkeykeyring calls...