CVE-2022-49488 (GCVE-0-2022-49488)
Vulnerability from cvelistv5
Published
2025-02-26 02:13
Modified
2025-05-04 08:38
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/msm/mdp5: Return error code in mdp5_mixer_release when deadlock is detected
There is a possibility for mdp5_get_global_state to return
-EDEADLK when acquiring the modeset lock, but currently global_state in
mdp5_mixer_release doesn't check for if an error is returned.
To avoid a NULL dereference error, let's have mdp5_mixer_release
check if an error is returned and propagate that error.
Patchwork: https://patchwork.freedesktop.org/patch/485181/
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| ▼ | Linux | Linux |
Version: 7907a0d77cb461f58045763c205a5830be72e97c Version: 7907a0d77cb461f58045763c205a5830be72e97c Version: 7907a0d77cb461f58045763c205a5830be72e97c Version: 7907a0d77cb461f58045763c205a5830be72e97c Version: 7907a0d77cb461f58045763c205a5830be72e97c Version: 7907a0d77cb461f58045763c205a5830be72e97c Version: 7907a0d77cb461f58045763c205a5830be72e97c |
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|
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/mdp5: Return error code in mdp5_mixer_release when deadlock is detected\n\nThere is a possibility for mdp5_get_global_state to return\n-EDEADLK when acquiring the modeset lock, but currently global_state in\nmdp5_mixer_release doesn\u0027t check for if an error is returned.\n\nTo avoid a NULL dereference error, let\u0027s have mdp5_mixer_release\ncheck if an error is returned and propagate that error.\n\nPatchwork: https://patchwork.freedesktop.org/patch/485181/"
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