Description
Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code.
Published: 2022-10-13
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3173-1 linux-5.10 security update
Debian DSA Debian DSA DSA-5257-1 linux security update
EUVD EUVD EUVD-2022-45786 Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code.
Ubuntu USN Ubuntu USN USN-5691-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5692-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5693-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5700-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5708-1 backport-iwlwifi-dkms vulnerabilities
Ubuntu USN Ubuntu USN USN-5752-1 Linux kernel (Azure CVM) vulnerabilities
History

Thu, 15 May 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Subscriptions

Debian Debian Linux
Fedoraproject Fedora
Linux Linux Kernel
Redhat Enterprise Linux Rhel Eus Rhev Hypervisor
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-05-15T20:47:12.558Z

Reserved: 2022-10-10T00:00:00.000Z

Link: CVE-2022-42720

cve-icon Vulnrichment

Updated: 2024-08-03T13:10:41.481Z

cve-icon NVD

Status : Modified

Published: 2022-10-14T00:15:09.533

Modified: 2025-05-15T21:15:49.040

Link: CVE-2022-42720

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-10-13T10:00:00Z

Links: CVE-2022-42720 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses