CVE-2023-6915: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A Null pointer dereference problem was found in ida_free in lib/idr.c in the Linux Kernel. This issue may allow an attacker using this library to cause a denial of service problem due to a missing check at a function return.

Affected products

• Linux Linux Kernel: before 6.7 (fixed in 6.7); version 6.7 only
• Red Hat Enterprise Linux: version 8.0 only; version 9.0 only

Published 2024-01-15. Last modified 2026-06-17.