- Vulnerability/
- CVE-2024-26667
CVE-2024-26667: drm/msm/dpu: check for valid hw_pp in dpu_encoder_helper_phys_cleanup
First published: Tue Apr 02 2024(Updated: )
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/
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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Reference Links
- https://git.kernel.org/stable/c/79592a6e7bdc1d05460c95f891f5e5263a107af8
- https://git.kernel.org/stable/c/7f3d03c48b1eb6bc45ab20ca98b8b11be25f9f52
- https://git.kernel.org/stable/c/eb4f56f3ff5799ca754ae6d811803a63fe25a4a2
- https://git.kernel.org/stable/c/fb8bfc6ea3cd8c5ac3d35711d064e2f6646aec17
- https://launchpad.net/bugs/cve/CVE-2024-26667
- https://git.kernel.org/linus/7f3d03c48b1eb6bc45ab20ca98b8b11be25f9f52
- https://security-tracker.debian.org/tracker/CVE-2024-26667
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26667
- https://nvd.nist.gov/vuln/detail/CVE-2024-26667
- https://ubuntu.com/security/CVE-2024-26667
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