CVE-2021-47211 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Linux	Linux Kernel

Configuration 1 [-]

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

No data.

References

Link	Providers
https://git.kernel.org/stable/c/58fa50de595f152900594c28ec9915c169643739
https://git.kernel.org/stable/c/b97053df0f04747c3c1e021ecbe99db675342954
https://lore.kernel.org/linux-cve-announce/2024041004-CVE-2021-47211-cde3@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2021-47211
https://www.cve.org/CVERecord?id=CVE-2021-47211

History

Tue, 14 Jan 2025 15:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
Metrics	cvssV3_1 `{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}`	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}`

Mon, 04 Nov 2024 12:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-04-10T19:01:52.636Z

Updated: 2024-12-19T07:37:30.150Z

Reserved: 2024-04-10T18:59:19.526Z

Link: CVE-2021-47211

Vulnrichment

Updated: 2024-08-04T05:32:07.365Z

NVD

Status : Analyzed

Published: 2024-04-10T19:15:48.547

Modified: 2025-01-14T14:43:27.637

Link: CVE-2021-47211

Redhat

Severity : Low

Publid Date: 2024-04-10T00:00:00Z

Links: CVE-2021-47211 - Bugzilla

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