CVE-2014-9529: Canonical Ubuntu Linux

Medium severity, CVSS 6.9. EPSS: 0.3% chance of exploitation in the next 30 days.

Race condition in the key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 3.18.2 allows local users to cause a denial of service (memory corruption or panic) or possibly have unspecified other impact via keyctl commands that trigger access to a key structure member during garbage collection of a key.

Affected products

• Canonical Ubuntu Linux: version 10.04 only; version 12.04 only; version 14.04 only; version 14.10 only
• Debian Debian Linux: version 7.0 only; version 8.0 only
• Fedoraproject Fedora: version 20 only; version 21 only
• Linux Linux Kernel: before 3.2.67 (fixed in 3.2.67); from 3.3, before 3.4.107 (fixed in 3.4.107); from 3.5, before 3.10.67 (fixed in 3.10.67); from 3.11, up to and including 3.12.37; from 3.13, up to and including 3.14.31; from 3.15, before 3.16.35 (fixed in 3.16.35); …
• Opensuse Opensuse: version 13.1 only
• Red Hat Enterprise Linux Desktop: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Server: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Server Aus: version 6.6 only; version 7.3 only; version 7.4 only; version 7.6 only; version 7.7 only
• Red Hat Enterprise Linux Server Eus: version 6.6 only; version 7.1 only; version 7.2 only; version 7.3 only; version 7.4 only; version 7.5 only; …
• Red Hat Enterprise Linux Server Tus: version 6.6 only; version 7.3 only; version 7.6 only; version 7.7 only
• Red Hat Enterprise Linux Workstation: version 6.0 only; version 7.0 only

Published 2015-01-09. Last modified 2026-06-17.