What is CVE-2023-22998?

CVE-2023-22998 is a medium-severity vulnerability in Linux Kernel, classified under CWE-436. CVSS score: 5.5/10. Published 2023-02-28.

How severe is CVE-2023-22998?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux Kernel

CVE-2023-22998

In the Linux kernel before 6.0.3, drivers/gpu/drm/virtio/virtgpu_object.c misinterprets the drm_gem_shmem_get_sg_table return value (expects it to be NULL in the error case, whereas it is actually an error pointer).

Published 2023-02-28 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.003 (21.4th percentile), scored 2026-10-18.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Linux Kernel

Weakness classification (CWE)

CWE-436

References

github.com/torvalds/linux/commit/c24968734abfed81c8f93dc5f44a7b7a9aecadfa (Patch)
cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3 (Release Notes)
lists.debian.org/debian-lts-announce/2023/05/msg00005.html (mailing-list)

Frequently asked questions

What is CVE-2023-22998?: CVE-2023-22998 is a medium-severity vulnerability in Linux Kernel, classified under CWE-436. CVSS score: 5.5/10. Published 2023-02-28.
How severe is CVE-2023-22998?: Medium severity. CVSS v3 base score is 5.5 out of 10.