CVE-2021-43976

Medium

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).

Package Linux Kernel
Published 2021-11-17
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

4.6

out of 10
Medium
Attack Vector
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

The following references provide additional information about CVE-2021-43976 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2021-43976?

    CVE-2021-43976 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.6 out of 10 . CVE-2021-43976 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2021-43976?

    CVE-2021-43976 has a CVSS score of 4.6 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2021-43976?

    No patch is currently available for CVE-2021-43976. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2021-43976 actively exploited?

    No — CVE-2021-43976 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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