CyberAlerts is shutting down on June 30th, 2025. Thank you for your support!

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

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/

Classification

CVE ID: CVE-2024-49992

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.06% (probability of being exploited)

EPSS Percentile: 17.17% (scored less or equal to compared to others)

EPSS Date: 2025-06-02 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2024-49992
https://git.kernel.org/stable/c/d02611ff001454358be6910cb926799e2d818716
https://git.kernel.org/stable/c/0a1741d10da29aa84955ef89ae9a03c4b6038657
https://git.kernel.org/stable/c/454e5d7e671946698af0f201e48469e5ddb42851
https://git.kernel.org/stable/c/b22eec4b57d04befa90e8554ede34e6c67257606
https://git.kernel.org/stable/c/19dd9780b7ac673be95bf6fd6892a184c9db611f

Timeline