What is CVE-2022-42719?

CVE-2022-42719 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2022-42719 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-42719?

CVE-2022-42719 has a CVSS score of 8.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2022-42719?

No patch is currently available for CVE-2022-42719. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2022-42719 actively exploited?

CVE-2022-42719 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2022-42719

High

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.

Package Linux Kernel

Published 2022-10-13

Last modified 2025-05-15

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

8.8

out of 10

High

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2022-42719 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2022-42719 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Packet Storm
http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.html
Openwall
http://www.openwall.com/lists/oss-security/2022/10/13/5

Exploit Mailing List Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html

Mailing List Third Party Advisory
Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGHENNMLCWIQV2LLA56BJNFIUZ7WB4IY/
Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2KTU5LFZNQS7YNGE56MT46VHMXL3DD2/
Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VNN3VFQPECS6D4PS6ZWD7AFXTOSJDSSR/
Security
https://security.netapp.com/advisory/ntap-20230203-0008/
Debian Security
https://www.debian.org/security/2022/dsa-5257

Third Party Advisory
Kernel patch commit
http://www.openwall.com/lists/oss-security/2022/10/13/2
Patch
Kernel patch commit
https://bugzilla.suse.com/show_bug.cgi?id=1204051
Patch
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=ff05d4b45dd89b922578dac497dcabf57cf771c6
Patch

Details

CVE ID CVE-2022-42719

Severity High

CVSS score 8.8 / 10

CVSS version 3.1

Published 2022-10-13

Modified 2025-05-15

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2022-42719?

CVE-2022-42719 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2022-42719 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-42719?

CVE-2022-42719 has a CVSS score of 8.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2022-42719?

No patch is currently available for CVE-2022-42719. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2022-42719 actively exploited?

No — CVE-2022-42719 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →