What’s Vulnerable › Vulnerabilities

CVE-2024-49992: drm/stm: Avoid use-after-free issues with crtc and plane

• Severity: high (CVSS 7.8 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: 2024-10-21 · updated 2026-08-04
• Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: drm/stm: Avoid use-after-free issues with crtc and plane ltdc_load() calls functions drm_crtc_init_with_planes(), drm_universal_plane_init() and drm_encoder_init(). These functions should not be called with parameters allocated with devm_kzalloc() to avoid use-after-free issues [1]. Use allocations managed by the DRM framework. Found by Linux Verification Center (linuxtesting.org). [1] https://lore.kernel.org/lkml/u366i76e3qhh3ra5oxrtngjtm2u5lterkekcz6y2jkndhuxzli@diujon4h7qwb/

Affected products

• Linux kernel: before 6.1.113; from 6.2 before 6.6.55; from 6.7 before 6.10.14; from 6.11 before 6.11.3 — fixed in 6.1.113, 6.10.14, 6.11.3, 6.6.55

How to fix

Upgrade to a fixed version: Linux kernel 6.1.113, 6.10.14, 6.11.3, 6.6.55. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0a1741d10da29aa84955ef89ae9a03c4b6038657
• https://git.kernel.org/stable/c/19dd9780b7ac673be95bf6fd6892a184c9db611f
• https://git.kernel.org/stable/c/454e5d7e671946698af0f201e48469e5ddb42851
• https://git.kernel.org/stable/c/b22eec4b57d04befa90e8554ede34e6c67257606
• https://git.kernel.org/stable/c/d02611ff001454358be6910cb926799e2d818716
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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