CVE-2021-47211

Published: Apr 10, 2024

Modified: May 11, 2026

PUBLISHED

Description

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.

Vendor	Product	Versions
Linux	Linux	affected `1dc669fed61a4ec4270a89e5fb3535802cc45668 - < 58fa50de595f152900594c28ec9915c169643739` affected `1dc669fed61a4ec4270a89e5fb3535802cc45668 - < b97053df0f04747c3c1e021ecbe99db675342954`
Linux	Linux	affected `3.10` unaffected `0 - < 3.10` unaffected `5.15.5 - <= 5.15.` unaffected `5.16 - <= `

References

https://git.kernel.org/stable/c/58fa50de595f152900594c28ec9915c169643739

https://git.kernel.org/stable/c/b97053df0f04747c3c1e021ecbe99db675342954

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CVE-2021-47211

Description

Affected Products

References