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Vulnerability · Published Oct 13, 2022 · Assigned by mitre

CVE-2022-42719

High 8.8

In plain English

A high-severity use-after-free in the linux-lts package (Alpine). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.4%top 28.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20linux-lts5.15.74-r0ALPINE-CVE-2022-42719
Alpine:v3.21linux-lts5.15.74-r0ALPINE-CVE-2022-42719
Alpine:v3.22linux-lts5.15.74-r0ALPINE-CVE-2022-42719
Alpine:v3.23linux-lts5.15.74-r0ALPINE-CVE-2022-42719
Debian:12linux6.0.2-1DEBIAN-CVE-2022-42719
Debian:13linux6.0.2-1DEBIAN-CVE-2022-42719
Debian:14linux6.0.2-1DEBIAN-CVE-2022-42719
Ubuntu:22.04:LTSbackport-iwlwifi-dkms9858-0ubuntu3.1USN-5708-1
Ubuntu:22.04:LTSbackport-iwlwifi-dkms9858-0ubuntu3.1UBUNTU-CVE-2022-42719
Ubuntu:24.04:LTSbackport-iwlwifi-dkmsno fix listedUBUNTU-CVE-2022-42719
Ubuntu:25.10backport-iwlwifi-dkmsno fix listedUBUNTU-CVE-2022-42719
Ubuntu:26.04:LTSbackport-iwlwifi-dkmsno fix listedUBUNTU-CVE-2022-42719
Ubuntu:26.10backport-iwlwifi-dkmsno fix listedUBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux5.15.0-52.58UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux5.15.0-52.58USN-5692-1
Ubuntu:22.04:LTSlinux-aws5.15.0-1022.26UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-aws5.15.0-1022.26USN-5692-1
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-azure5.15.0-1022.27UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-azure5.15.0-1022.27USN-5692-1
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1024.30.1USN-5752-1
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1024.30.1UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-gcp5.15.0-1021.28UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-gcp5.15.0-1021.28USN-5692-1
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-gke5.15.0-1019.23UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-gke5.15.0-1019.23USN-5692-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1007.10UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1007.10USN-5692-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1017.20USN-5692-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1017.20UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1018.23UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-kvm5.15.0-1020.24UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-kvm5.15.0-1020.24USN-5692-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-52.58USN-5692-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-52.58UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1015.15UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-oem-5.175.17.0-1020.21USN-5693-1
Ubuntu:22.04:LTSlinux-oem-5.175.17.0-1020.21UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-oracle5.15.0-1021.27USN-5692-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1021.27UBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-raspi5.15.0-1017.19USN-5692-1
Ubuntu:22.04:LTSlinux-raspi5.15.0-1017.19UBUNTU-CVE-2022-42719
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-42719
Ubuntu:22.04:LTSlinux-riscv5.15.0-1022.26UBUNTU-CVE-2022-42719

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-416 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References