CVE-2023-3317

kernel: use-after-free in wifi mt7921 fw features query

Published Jun 23, 2023 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
A use-after-free flaw was found in mt7921_check_offload_capability in drivers/net/wireless/mediatek/mt76/mt7921/init.c in wifi mt76/mt7921 sub-component in the Linux Kernel. This flaw could allow an attacker to crash the system after 'features' memory release. This vulnerability could even lead to a kernel information leak problem.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-43985 A use-after-free flaw was found in mt7921_check_offload_capability in drivers/net/wireless/mediatek/mt76/mt7921/init.c in wifi mt76/mt7921 sub-component in the Linux Kernel. This flaw could allow an attacker to crash the system after 'features' memory release. This vulnerability could even lead to a kernel information leak problem.
Ubuntu USN Ubuntu USN USN-6283-1 Linux kernel vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Mar 11, 2025, 2:05 PM
Reserved
Jun 19, 2023, 12:00 AM
Status
Modified
Published
Jun 23, 2023, 6:15 PM
Modified
Jun 17, 2026, 6:13 AM
Severity
Low
Public date
Mar 22, 2023, 6:30 AM