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.
CVE-2022-42719
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-10-14. NVD baseline CVSS 8.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EG Risk
- 56(Track*)EG Risk 56/100SSVC: Track*
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity88% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Watch closely — could escalate to Attend. - EPSS PROB
- 1%
- EPSS %ILE
- 68%
- KEV
- Not listed
Published
October 13, 2022
Last Modified
May 15, 2025
Advisory Details (10)
Auto-updated Aug 4, 2026[SECURITY] Fedora 35 Update: kernel-5.19.15-101.fc35 - package-announce - Fedora mailing-lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VNN3VFQPECS6D4PS6ZWD7AFXTOSJDSSR/[SECURITY] Fedora 37 Update: kernel-5.19.15-301.fc37 - package-announce - Fedora mailing-lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2KTU5LFZNQS7YNGE56MT46VHMXL3DD2/[SECURITY] Fedora 36 Update: kernel-5.19.15-201.fc36 - package-announce - Fedora mailing-lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGHENNMLCWIQV2LLA56BJNFIUZ7WB4IY/[SECURITY] [DLA 3173-1] linux-5.10 security update
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlwifi: mac80211: fix MBSSID parsing use-after-free - kernel/git/wireless/wireless.git - Wireless tree for the current Linux release
https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=ff05d4b45dd89b922578dac497dcabf57cf771c6oss-security - Re: Various Linux Kernel WLAN security issues (RCE/DOS) found
http://www.openwall.com/lists/oss-security/2022/10/13/5oss-security - Various Linux Kernel WLAN security issues (RCE/DOS) found
http://www.openwall.com/lists/oss-security/2022/10/13/2Packet Storm Security
http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.htmlPatch Availability(9)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-unsigned-5.15.0-1019-gke (5.15.0-1019.23) @ jammy | 2026-05-25 | ubuntu |
| ubuntu | linux-headers-oem-22.04 (5.17.0.1020.19) @ jammy | 2026-05-25 | ubuntu |
| ubuntu | backport-iwlwifi-dkms (9904-0ubuntu3.1) @ kinetic | 2026-05-25 | ubuntu |
| ubuntu | linux-image-5.19.0-23-generic-lpae (5.19.0-23.24) @ kinetic | 2026-05-25 | ubuntu |
| ubuntu | linux-buildinfo-5.4.0-132-generic (5.4.0-132.148) @ focal | 2026-05-25 | ubuntu |
| ubuntu | linux-headers-azure-fde (5.4.0.1095.101+cvm1.33) @ focal | 2026-05-25 | ubuntu |
| ubuntu | linux-gcp-5.4-tools-5.4.0-1093 (5.4.0-1093.102~18.04.1) @ bionic | 2026-05-25 | ubuntu |
| ubuntu | linux-image-5.15.0-1024-azure-fde (5.15.0-1024.30.1) @ jammy | 2026-05-25 | ubuntu |
| ubuntu | lowlatency-5.4 (5.4.0-26) @ bionic | 2026-05-25 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(15 across 15 ecosystems)
Alpine:v3.15(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-lts | — | 5.15.74-r0 | — |
Alpine:v3.16(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-lts | — | 5.15.74-r0 | — |
Alpine:v3.17(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-lts | — | 5.15.74-r0 | — |
Alpine:v3.18(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-lts | — | 5.15.74-r0 | — |
Alpine:v3.19(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-lts | — | 5.15.74-r0 | — |
Alpine:v3.20(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-lts | — | 5.15.74-r0 | — |
Alpine:v3.21(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-lts | — | 5.15.74-r0 | — |
Alpine:v3.22(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-lts | — | 5.15.74-r0 | — |
Alpine:v3.23(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-lts | — | 5.15.74-r0 | — |
Alpine:v3.24(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-lts | — | 5.15.74-r0 | — |
Debian:10(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-5.10 | 5.10.136-1~deb10u1, 5.10.136-1~deb10u2, 5.10.136-1~deb10u3 | 5.10.149-2~deb10u1 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 5.10.103-1 ... 5.10.92-2 (20 versions) | 5.10.149-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 6.0.2-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 6.0.2-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 6.0.2-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(10)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
- Microsoft MSRCCVE-2022-427192022-10-19
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.
- UbuntuLSN-0091-1MEDIUM
Kernel Live Patch Security Notice
- UbuntuUSN-5692-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5693-1MEDIUM
Linux kernel (OEM) vulnerabilities
- UbuntuUSN-5700-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5708-1MEDIUM
backport-iwlwifi-dkms vulnerabilities
- UbuntuUSN-5728-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5728-2MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5728-3MEDIUM
Linux kernel (GCP) vulnerabilities
- UbuntuUSN-5752-1MEDIUM
Linux kernel (Azure CVM) vulnerabilities
Data Freshness Timeline
(refreshed 8× in last 7d / 33× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 153 total refreshes for this CVE.
- 2026-09-07 15:58 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
- 2026-09-05 15:25 UTCEPSS rescore
- 2026-09-05 01:48 UTCOSV refresh
- 2026-09-04 13:57 UTCEPSS rescore
- 2026-09-04 05:04 UTCEPSS rescore
- 2026-09-02 14:09 UTCEPSS rescore
- 2026-09-01 13:51 UTCEPSS rescore
- 2026-08-30 19:15 UTCEPSS rescore
- 2026-08-30 19:14 UTCEPSS rescore
- 2026-08-30 01:19 UTCEPSS rescore
- 2026-08-28 21:38 UTCEPSS rescore
- 2026-08-27 14:22 UTCEPSS rescore
- 2026-08-26 14:43 UTCEPSS rescore
- 2026-08-25 13:46 UTCEPSS rescore
- 2026-08-24 14:13 UTCEPSS rescore
- 2026-08-23 00:17 UTCEPSS rescore
- 2026-08-21 23:46 UTCEPSS rescore
- 2026-08-20 22:53 UTCEPSS rescore
- 2026-08-19 17:01 UTCEPSS rescore
- 2026-08-19 17:01 UTCEPSS rescore
- 2026-08-18 13:45 UTCEPSS rescore
- 2026-08-18 13:01 UTCOSV refresh
- 2026-08-17 13:44 UTCEPSS rescore
- 2026-08-16 14:53 UTCEPSS rescore
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- 2026-08-16 14:53 UTCEPSS rescore
- 2026-08-16 02:12 UTCEPSS rescore
- 2026-08-15 01:27 UTCEPSS rescore
- 2026-08-13 21:58 UTCEPSS rescore
- 2026-08-13 21:58 UTCEPSS rescore
- 2026-08-12 13:48 UTCEPSS rescore
- 2026-08-11 13:39 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-08 16:34 UTCEPSS rescore
- 2026-08-07 16:24 UTCEPSS rescore
- 2026-08-06 13:44 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
- 2026-08-04 15:07 UTCEPSS rescore
- 2026-08-04 10:35 UTCEPSS rescore
- 2026-08-03 10:33 UTCEPSS rescore
- 2026-08-03 08:27 UTCOSV refresh
- 2026-08-02 02:24 UTCEPSS rescore
- 2026-08-02 02:24 UTCEPSS rescore
- 2026-08-01 04:13 UTCEPSS rescore
- 2026-08-01 04:13 UTCEPSS rescore
- 2026-07-30 16:25 UTCEPSS rescore
- 2026-07-30 16:25 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-28 15:34 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-25 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:14 UTCEG score recompute
- 2026-07-22 23:02 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
- 2026-07-20 17:05 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-16 17:53 UTCOSV refresh
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-13 22:28 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-09 19:08 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-07 13:44 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-02 16:58 UTCEPSS rescore
- 2026-07-01 15:04 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-28 16:02 UTCOSV refresh
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-22 14:24 UTCEPSS rescore
- 2026-06-21 14:55 UTCEPSS rescore
- 2026-06-21 14:55 UTCEPSS rescore
Frequently asked(5)
What is CVE-2022-42719?
When was CVE-2022-42719 disclosed?
Is CVE-2022-42719 actively exploited?
What is the CVSS score of CVE-2022-42719?
How do I remediate CVE-2022-42719?
Dependency Blast Radius
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