What’s Vulnerable › Vulnerabilities

CVE-2023-22998

• 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: 2023-02-28 · updated 2026-06-17
• Weakness: CWE-436

Description

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).

Affected products

• Linux kernel: before 6.0.3 — fixed in 6.0.3

How to fix

Upgrade to a fixed version: Linux kernel 6.0.3. Check the vendor advisory for mitigations.

References

• https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3
• https://github.com/torvalds/linux/commit/c24968734abfed81c8f93dc5f44a7b7a9aecadfa
• https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
• https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3
• https://github.com/torvalds/linux/commit/c24968734abfed81c8f93dc5f44a7b7a9aecadfa
• https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html

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