NULL pointer dereference in Linux

CVE-2023-53534

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: mtk_drm_crtc: Add checks for devm_kcalloc As the devm_kcalloc may return NULL, the return value needs to be checked to avoid NULL poineter dereference.

EPSS: 0.001 (4.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-53534?
CVE-2023-53534 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2025-10-04.
How severe is CVE-2023-53534?
Medium severity. CVSS v3 base score is 5.5 out of 10.