CVE-2023-3317

2023-06-1913:26:52

redhat.com

access.redhat.com

vulnerability

use-after-free

mt76

mt7921

linux kernel

cve-2023-3317

wireless driver

memory release

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

Percentile

9.0%

JSON

A use-after-free flaw was found in mt7921_check_offload_capability in drivers/net/wireless/mediatek/mt76/mt7921/init.c in the wifi mt76/mt7921 sub-component of the Linux Kernel. This issue could allow an attacker to crash the system after the ‘features’ memory releases which could lead to a kernel information leak.

Mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.