medium5.5
CVE-2022-49128
In the Linux kernel, the following vulnerability has been resolved: drm/bridge: Add missing pm_runtime_put_sync pm_runtime_get_sync() will increase the rumtime…
Impact
In the Linux kernel, the following vulnerability has been resolved: drm/bridge: Add missing pm_runtime_put_sync pm_runtime_get_sync() will increase the rumtime PM counter even when it returns an error. Thus a pairing decrement is needed to prevent refcount leak. Fix this by replacing this API with pm_runtime_resume_and_get(), which will not change the runtime PM counter on error. Besides, a matching decrement is needed on the error handling path to keep the counter balanced.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | before 5.15.34 from 5.16 before 5.16.20 from 5.17 before 5.17.3 |
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/46f47807738441e354873546dde0b000106c068a
- https://git.kernel.org/stable/c/792533e54cd6e89191798ccd1abd590c62b9077e
- https://git.kernel.org/stable/c/9df80dc738926a2ea4bd1ce5993c3d0f4b0e855c
- https://git.kernel.org/stable/c/ff13c90d7f7ab606b37be6d15140d19013d6736c