The mac80211 subsystem in the Linux kernel before 5.12.13, when a device supporting only 5 GHz is used, allows attackers to cause a denial of service (NULL pointer dereference in the radiotap parser) by injecting a frame with 802.11a rates.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-24664 The mac80211 subsystem in the Linux kernel before 5.12.13, when a device supporting only 5 GHz is used, allows attackers to cause a denial of service (NULL pointer dereference in the radiotap parser) by injecting a frame with 802.11a rates.
Ubuntu USN Ubuntu USN USN-5070-1 Linux kernel vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 08 Oct 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-10-08T21:03:29.794Z

Reserved: 2021-08-08T00:00:00.000Z

Link: CVE-2021-38206

cve-icon Vulnrichment

Updated: 2024-08-04T01:37:16.225Z

cve-icon NVD

Status : Modified

Published: 2021-08-08T20:15:07.320

Modified: 2026-10-08T21:17:39.517

Link: CVE-2021-38206

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-05-31T00:00:00Z

Links: CVE-2021-38206 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses