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CVE-2021-43976

Date: November 16, 2021

In the Linux kernel through 5.15.2, mwifiex_usb_recv in drivers/net/wireless/marvell/mwifiex/usb.c allows an attacker (who can connect a crafted USB device) to cause a denial of service (skb_over_panic).

Language: C

Severity Score

4.6

Related Resources (18)

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-43976

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X24M7KDC4OJOZNS3RDSYC7ELNELOLQ2N/

Url: https://www.debian.org/security/2022/dsa-5092

Url: https://patchwork.kernel.org/project/linux-wireless/patch/YX4CqjfRcTa6bVL+%40Zekuns-MBP-16.fios-router.home/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-43976

Url: https://access.redhat.com/security/cve/CVE-2021-43976

Url: https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YODMYMGZYDXQKGJGX7TJG4XV4L5YLLBD/

Url: https://security.netapp.com/advisory/ntap-20211210-0001/

Url: https://patchwork.kernel.org/project/linux-wireless/patch/YX4CqjfRcTa6bVL+@Zekuns-MBP-16.fios-router.home/

Url: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=04d80663f67ccef893061b49ec8a42ff7045ae84

Url: https://security-tracker.debian.org/tracker/CVE-2021-43976

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X24M7KDC4OJOZNS3RDSYC7ELNELOLQ2N/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YODMYMGZYDXQKGJGX7TJG4XV4L5YLLBD/

Url: https://www.debian.org/security/2022/dsa-5096

Url: https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html

Url: https://www.oracle.com/security-alerts/cpujul2022.html

Url: https://www.mend.io/vulnerability-database/CVE-2021-43976

Severity Score

4.6

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:	4.6
Attack Vector (AV):	PHYSICAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	2.1
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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