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CVE-2021-47211

ALSA: usb-audio: fix null pointer dereference on pointer cs_desc

EPSS 0.2%
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.
Produtos afetados
Linux · Linux

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Referências
https://git.kernel.org/stable/c/3455984b16eeb6914caf8b59498ef24fcc1f0a78https://git.kernel.org/stable/c/58fa50de595f152900594c28ec9915c169643739https://git.kernel.org/stable/c/b97053df0f04747c3c1e021ecbe99db675342954