CVE-2023-52607: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix null-pointer dereference in pgtable_cache_add kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity.

Affected products

• Linux Linux Kernel: before 4.19.307 (fixed in 4.19.307); from 4.20, up to and including 5.4.269; from 5.5, up to and including 5.10.210; from 5.11, up to and including 5.15.149; from 5.16, before 6.1.77 (fixed in 6.1.77); from 6.2, before 6.6.16 (fixed in 6.6.16); …

Published 2024-03-06. Last modified 2026-06-17.