CVE-2024-49992: drm/stm: Avoid use-after-free issues with crtc and plane
First published: Mon Oct 21 2024(Updated: )
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/
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <6.1.113 | |
| Linux Linux kernel | >=6.2<6.6.55 | |
| Linux Linux kernel | >=6.7<6.10.14 | |
| Linux Linux kernel | >=6.11<6.11.3 |
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Reference Links
- 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
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