medium5.5
CVE-2021-47211
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fix null pointer dereference on pointer cs_desc The pointer cs_desc return…
Impact
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fix null pointer dereference on pointer cs_desc The pointer cs_desc return from snd_usb_find_clock_source could be null, so there is a potential null pointer dereference issue. Fix this by adding a null check before dereference.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | before 5.15.5 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/3455984b16eeb6914caf8b59498ef24fcc1f0a78
- https://git.kernel.org/stable/c/58fa50de595f152900594c28ec9915c169643739
- https://git.kernel.org/stable/c/b97053df0f04747c3c1e021ecbe99db675342954
- https://git.kernel.org/stable/c/58fa50de595f152900594c28ec9915c169643739
- https://git.kernel.org/stable/c/b97053df0f04747c3c1e021ecbe99db675342954