CVEvulnerability
CVE-2021-47211
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2024-04-10
- Last modified
- 2026-06-19
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
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.
Affected configurations
• linux linux kernel (< 5.15.5)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://git.kernel.org/stable/c/3455984b16eeb6914caf8b59498ef24fcc1f0a78 git.kernel.org
- https://git.kernel.org/stable/c/58fa50de595f152900594c28ec9915c169643739 Patch
- https://git.kernel.org/stable/c/b97053df0f04747c3c1e021ecbe99db675342954 Patch
- https://git.kernel.org/stable/c/58fa50de595f152900594c28ec9915c169643739 Patch
- https://git.kernel.org/stable/c/b97053df0f04747c3c1e021ecbe99db675342954 Patch