What’s Vulnerable › Vulnerabilities

CVE-2024-43894: drm/client: fix null pointer dereference in drm_client_modeset_probe

• 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: 2024-08-26 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: drm/client: fix null pointer dereference in drm_client_modeset_probe In drm_client_modeset_probe(), the return value of drm_mode_duplicate() is assigned to modeset->mode, which will lead to a possible NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd.

Affected products

• Linux kernel: from 5.3 before 5.4.282; from 5.5 before 5.10.224; from 5.11 before 5.15.165; from 5.16 before 6.1.105; from 6.2 before 6.6.46; from 6.7 before 6.10.5 — fixed in 5.10.224, 5.15.165, 5.4.282, 6.1.105, 6.10.5, 6.6.46

How to fix

Upgrade to a fixed version: Linux kernel 5.10.224, 5.15.165, 5.4.282, 6.1.105. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/113fd6372a5bb3689aba8ef5b8a265ed1529a78f
• https://git.kernel.org/stable/c/24ddda932c43ffe156c7f3c568bed85131c63ae6
• https://git.kernel.org/stable/c/5291d4f73452c91e8a11f71207617e3e234d418e
• https://git.kernel.org/stable/c/612cae53e99ce32a58cb821b3b67199eb6e92dff
• https://git.kernel.org/stable/c/c763dfe09425152b6bb0e348900a637c62c2ce52
• https://git.kernel.org/stable/c/d64847c383100423aecb6ac5f18be5f4316d9d62
• https://git.kernel.org/stable/c/d64fc94f7bb24fc2be0d6bd5df8df926da461a6d
• 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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