What’s Vulnerable › Vulnerabilities

CVE-2024-42309: drm/gma500: fix null pointer dereference in psb_intel_lvds_get_modes

• 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/gma500: fix null pointer dereference in psb_intel_lvds_get_modes In psb_intel_lvds_get_modes(), the return value of drm_mode_duplicate() is assigned to 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 3.3 before 4.19.320; from 4.20 before 5.4.282; from 5.5 before 5.10.224; from 5.11 before 5.15.165; from 5.16 before 6.1.103; from 6.2 before 6.6.44 — fixed in 4.19.320, 5.10.224, 5.15.165, 5.4.282, 6.1.103, 6.10.3

How to fix

Upgrade to a fixed version: Linux kernel 4.19.320, 5.10.224, 5.15.165, 5.4.282. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/13b5f3ee94bdbdc4b5f40582aab62977905aedee
• https://git.kernel.org/stable/c/2df7aac81070987b0f052985856aa325a38debf6
• https://git.kernel.org/stable/c/46d2ef272957879cbe30a884574320e7f7d78692
• https://git.kernel.org/stable/c/475a5b3b7c8edf6e583a9eb59cf28ea770602e14
• https://git.kernel.org/stable/c/6735d02ead7dd3adf74eb8b70aebd09e0ce78ec9
• https://git.kernel.org/stable/c/7e52c62ff029f95005915c0a11863b5fb5185c8c
• https://git.kernel.org/stable/c/d6ad202f73f8edba0cbc0065aa57a79ffe8fdcdc
• https://git.kernel.org/stable/c/f70ffeca546452d1acd3a70ada56ecb2f3e7f811
• 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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