What’s Vulnerable › Vulnerabilities

CVE-2024-43829: drm/qxl: Add check for drm_cvt_mode

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-17 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: drm/qxl: Add check for drm_cvt_mode Add check for the return value of drm_cvt_mode() and return the error if it fails in order to avoid NULL pointer dereference.

Affected products

• Linux kernel: from 5.1 before 6.1.103; from 6.2 before 6.6.44; from 6.7 before 6.10.3 — fixed in 6.1.103, 6.10.3, 6.6.44

How to fix

Upgrade to a fixed version: Linux kernel 6.1.103, 6.10.3, 6.6.44. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3efe34f95b1ac8c138a46b14ce75956db0d6ee7c
• https://git.kernel.org/stable/c/4b1f303bdeceac049e56e4b20eb5280bd9e02f4f
• https://git.kernel.org/stable/c/4e87f592a46bb804d8f833da6ce702ae4b55053f
• https://git.kernel.org/stable/c/62ef8d7816c8e4a6088275553818b9afc0ffaa03
• https://git.kernel.org/stable/c/7bd09a2db0f617377027a2bb0b9179e6959edff3
• https://git.kernel.org/stable/c/d4c57354a06cb4a77998ff8aa40af89eee30e07b
• https://git.kernel.org/stable/c/f28b353c0c6c7831a70ccca881bf2db5e6785cdd
• https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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