Log in Start free

Vulnerability · Published Dec 16, 2022 · Assigned by google_android

CVE-2022-20567

High 7.4

In plain English

A high-severity race condition in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.1%top 97.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In pppol2tp_create of l2tp_ppp.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186777253References: Upstream kernel

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux4.15.11-1DEBIAN-CVE-2022-20567
Debian:13linux4.15.11-1DEBIAN-CVE-2022-20567
Debian:14linux4.15.11-1DEBIAN-CVE-2022-20567
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-20567
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-20567
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-20567
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-20567

Affected products (as reported)

VendorProductVersions
n/a Android Android kernel

Weakness: CWE-362 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References