CVE-2022-42719

2022-10-1300:00:00

ubuntu.com

use-after-free

linux kernel

mac80211

wlan frames

code execution

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.01

Percentile

83.6%

JSON

A use-after-free in the mac80211 stack when parsing a multi-BSSID element
in the Linux kernel 5.2 through 5.19.x before 5.19.16 could be used by
attackers (able to inject WLAN frames) to crash the kernel and potentially
execute code.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchbackport-iwlwifi-dkms< anyUNKNOWN
ubuntu20.04noarchbackport-iwlwifi-dkms< 8324-0ubuntu3~20.04.5UNKNOWN
ubuntu22.04noarchbackport-iwlwifi-dkms< 9858-0ubuntu3.1UNKNOWN
ubuntu22.10noarchbackport-iwlwifi-dkms< 9904-0ubuntu3.1UNKNOWN
ubuntu24.04noarchbackport-iwlwifi-dkms< anyUNKNOWN
ubuntu20.04noarchlinux< 5.4.0-132.148UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-52.58UNKNOWN
ubuntu22.10noarchlinux< 5.19.0-23.24UNKNOWN
ubuntu23.04noarchlinux< 5.19.0-23.24UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1089.97UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	backport-iwlwifi-dkms	< any	UNKNOWN
ubuntu	20.04	noarch	backport-iwlwifi-dkms	< 8324-0ubuntu3~20.04.5	UNKNOWN
ubuntu	22.04	noarch	backport-iwlwifi-dkms	< 9858-0ubuntu3.1	UNKNOWN
ubuntu	22.10	noarch	backport-iwlwifi-dkms	< 9904-0ubuntu3.1	UNKNOWN
ubuntu	24.04	noarch	backport-iwlwifi-dkms	< any	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-132.148	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-52.58	UNKNOWN
ubuntu	22.10	noarch	linux	< 5.19.0-23.24	UNKNOWN
ubuntu	23.04	noarch	linux	< 5.19.0-23.24	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1089.97	UNKNOWN