CVE-2023-53423: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: objtool: Fix memory leak in create_static_call_sections() strdup() allocates memory for key_name. We need to release the memory in the following error paths. Add free() to avoid memory leak.

Affected products

• Linux Linux Kernel: from 5.10, before 5.10.173 (fixed in 5.10.173); from 5.11, before 5.15.100 (fixed in 5.15.100); from 5.16, before 6.1.18 (fixed in 6.1.18); from 6.2, before 6.2.5 (fixed in 6.2.5)

Published 2025-09-18. Last modified 2026-06-17.