CVE-2024-26667
Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: check for valid hw_pp in dpu_encoder_helper_phys_cleanup The commit 8b45a26f2ba9 ("drm/msm/dpu: reserve cdm blocks for writeback in case of YUV output") introduced a smatch warning about another conditional block in dpu_encoder_helper_phys_cleanup() which had assumed hw_pp will always be valid which may not necessarily be true. Lets fix the other conditional block by making sure hw_pp is valid before dereferencing it. Patchwork: https://patchwork.freedesktop.org/patch/574878/
How to fix
- linux linux_kernel6.1.78, 6.6.17, 6.7.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.19 ≤ v < 6.1.78, 6.2 ≤ v < 6.6.17, 6.7 ≤ v < 6.7.5, 6.8 | 6.1.78, 6.6.17, 6.7.5 |
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