CVE-2023-3317

HIGH

Linux Kernel >=6.2 <6.2.15 - Use-After-Free in mt7921_check_offload_capability

Title source: llm

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.

References (1)

Core 1

Core References

Various Sources

https://patchwork.kernel.org/project/linux-wireless/patch/51fd8f76494348aa9ecbf0abc471ebe47a983dfd.1679502607.git.lorenzo%40kernel.org/

Scores

CVSS v3 7.1

EPSS 0.0024

EPSS Percentile 14.7%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-416

Status published

Products (2)

linux/linux_kernel 6.3 (6 CPE variants)

linux/linux_kernel 6.2 - 6.2.15

Published Jun 23, 2023

Tracked Since Feb 18, 2026