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 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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

14 Jan 2025, 14:43

Type	Values Removed	Values Added
CWE		CWE-476
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
First Time		Linux linux Kernel Linux
CPE		cpe:2.3:o:linux:linux_kernel::::::::
References	~~() https://git.kernel.org/stable/c/58fa50de595f152900594c28ec9915c169643739 -~~	() https://git.kernel.org/stable/c/58fa50de595f152900594c28ec9915c169643739 - Patch
References	~~() https://git.kernel.org/stable/c/b97053df0f04747c3c1e021ecbe99db675342954 -~~	() https://git.kernel.org/stable/c/b97053df0f04747c3c1e021ecbe99db675342954 - Patch

Information

Published : 2024-04-10 19:15

Updated : 2025-01-14 14:43

NVD link : CVE-2021-47211

Mitre link : CVE-2021-47211

CVE.ORG link : CVE-2021-47211

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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