CVE-2024-49901None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: drm/msm/adreno: Assign msm_gpu->pdev earlier to avoid nullptrs There are some cases, such as the one uncovered by Commit 46d4efcccc68 ("drm/msm/a6xx: Avoid a nullptr d…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 3.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
drm/msm/adreno: Assign msm_gpu->pdev earlier to avoid nullptrs
There are some cases, such as the one uncovered by Commit 46d4efcccc68 ("drm/msm/a6xx: Avoid a nullptr dereference when speedbin setting fails") where
msm_gpu_cleanup() : platform_set_drvdata(gpu->pdev, NULL);
is called on gpu->pdev == NULL, as the GPU device has not been fully initialized yet.
Turns out that there's more than just the aforementioned path that causes this to happen (e.g. the case when there's speedbin data in the catalog, but opp-supported-hw is missing in DT).
Assigning msm_gpu->pdev earlier seems like the least painful solution to this, therefore do so.
Patchwork: https://patchwork.freedesktop.org/patch/602742/
Linux >= 0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300 < 4a48e2e501267c8d0a9a10ada41d960ddb2dae22Linux >= 0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300 < 542e679cd4ec93c959b014df9c31b4888e92bac8Linux >= 0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300 < 24168aae5a5010fa7d5068a318366e847ec3ad1eLinux >= 0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300 < 9288a9676c529ad9c856096db68fad812499bc4aLinux >= 0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300 < 9773737375b20070ea935203fd66cb9fa17c5acbLinux >= 0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300 < e8ac2060597a5768e4699bb61d604b4c09927b85Linux >= 0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300 < 16007768551d5bfe53426645401435ca8d2ef54fLinux 3.12Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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