CVE-2023-23004

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-03-01 · updated 2026-06-17
Weakness: CWE-476

Description

In the Linux kernel before 5.19, drivers/gpu/drm/arm/malidp_planes.c misinterprets the get_sg_table return value (expects it to be NULL in the error case, whereas it is actually an error pointer).

Affected products

Linux kernel: before 5.19 — fixed in 5.19

How to fix

Upgrade to a fixed version: Linux kernel 5.19. Check the vendor advisory for mitigations.

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
https://github.com/torvalds/linux/commit/15342f930ebebcfe36f2415049736a77d7d2e045
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
https://github.com/torvalds/linux/commit/15342f930ebebcfe36f2415049736a77d7d2e045
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html

Get alerted when CVE-2023-23004 or the next vulnerability affects your stack