CVE-2011-1182: Linux Kernel

Low severity, CVSS 3.6. EPSS: 0.5% chance of exploitation in the next 30 days.

kernel/signal.c in the Linux kernel before 2.6.39 allows local users to spoof the uid and pid of a signal sender via a sigqueueinfo system call.

Affected products

• Linux Linux Kernel: before 2.6.39 (fixed in 2.6.39)
• Red Hat Enterprise Linux: version 5.0 only
• Red Hat Enterprise Linux Aus: version 5.6 only
• Red Hat Enterprise Linux Desktop: version 5.0 only
• Red Hat Enterprise Linux Eus: version 5.6 only
• Red Hat Enterprise Linux Server: version 5.0 only
• Red Hat Enterprise Linux Workstation: version 5.0 only

Published 2013-03-01. Last modified 2026-06-16.