Vulnerability · Published Dec 16, 2022 · Assigned by google_android
CVE-2022-20572
Medium 6.7
In plain English
A medium-severity missing authorization in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. 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-234475629References: Upstream kernel
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.18.2-1 | DEBIAN-CVE-2022-20572 |
| Debian:13 | linux | 5.18.2-1 | DEBIAN-CVE-2022-20572 |
| Debian:14 | linux | 5.18.2-1 | DEBIAN-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux | 5.15.0-47.51 | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1019.23 | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1019.24 | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1017.23 | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1015.18 | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1002.4 | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1013.15 | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1015.20 | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1017.21 | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-47.53 | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1007.7 | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1013.14 | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1017.22 | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1014.16 | UBUNTU-CVE-2022-20572 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-20572 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2022-20572 |
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H