CVE-2010-4083: Debian Linux

Low severity, CVSS 1.9. EPSS: 0.4% chance of exploitation in the next 30 days.

The copy_semid_to_user function in ipc/sem.c in the Linux kernel before 2.6.36 does not initialize a certain structure, which allows local users to obtain potentially sensitive information from kernel stack memory via a (1) IPC_INFO, (2) SEM_INFO, (3) IPC_STAT, or (4) SEM_STAT command in a semctl system call.

Affected products

• Debian Debian Linux: version 5.0 only
• Linux Linux Kernel: before 2.6.36 (fixed in 2.6.36)
• Opensuse Opensuse: version 11.3 only
• Suse Linux Enterprise Desktop: version 10 only; version 11 only
• Suse Linux Enterprise Real Time Extension: version 11 only
• Suse Linux Enterprise Server: version 9 only; version 10 only; version 11 only
• Suse Linux Enterprise Software Development Kit: version 10 only

Published 2010-11-30. Last modified 2026-06-16.