CVE-2023-52686: Debian Linux

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.

Affected products

• Debian Debian Linux: version 10.0 only
• Linux Linux Kernel: from 4.11, before 4.19.306 (fixed in 4.19.306); from 4.20, before 5.4.268 (fixed in 5.4.268); from 5.5, before 5.10.209 (fixed in 5.10.209); from 5.11, before 5.15.148 (fixed in 5.15.148); from 5.16, before 6.1.75 (fixed in 6.1.75); from 6.2, before 6.6.14 (fixed in 6.6.14); …

Published 2024-05-17. Last modified 2026-06-17.