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OpenAdvisories
Medium · 6.7 CVE-2022-20572 EUVD-2022-25832GHSA-c553-7q8c-vqg8

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 lea…

Published Dec 16, 2022 · Updated Oct 14, 2026 · Assigned by google_android

Package: linux Package: linux Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.15 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-fips Package: linux-aws-hwe Package: linux-azure Package: linux-azure-4.15 Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-edge Package: linux-azure-fips Package: linux-bluefield Package: linux-dell300x Package: linux-fips Package: linux-gcp Package: linux-gcp-4.15 Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.15 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.4 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-iot Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 Package: linux-lts-xenial Package: linux-nvidia Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 Package: linux-riscv-5.8 Package: linux-snapdragon Package: linux-vmware Platform: Android Ecosystem: Debian Ecosystem: Ubuntu

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 products

VendorProductAffectedFixed
— Android Android kernel —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 5.18.2-1 —
Debian 13 linux 5.18.2-1 —
Debian 12 linux 5.18.2-1 —
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux 5.15.0-47.51 —
Ubuntu 22.04 LTS linux-aws 5.15.0-1019.23 —
Ubuntu 22.04 LTS linux-azure 5.15.0-1019.24 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1017.23 —
Ubuntu 22.04 LTS linux-gke 5.15.0-1015.18 —
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1002.4 —
Ubuntu 22.04 LTS linux-ibm 5.15.0-1013.15 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1015.20 —
Ubuntu 22.04 LTS linux-kvm 5.15.0-1017.21 —
Ubuntu 22.04 LTS linux-lowlatency 5.15.0-47.53 —
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1007.7 —
Ubuntu 22.04 LTS linux-oem-5.17 5.17.0-1013.14 —
Ubuntu 22.04 LTS linux-oracle 5.15.0-1017.22 —
Ubuntu 22.04 LTS linux-raspi 5.15.0-1014.16 —
Ubuntu 22.04 LTS linux-riscv +2 No fix yet —
Ubuntu 20.04 LTS linux 5.4.0-126.142 —
Ubuntu 20.04 LTS linux-aws 5.4.0-1085.92 —
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1019.23~20.04.1 —
Ubuntu 20.04 LTS linux-azure 5.4.0-1091.96 —
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1019.24~20.04.1 —
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1046.51 —
Ubuntu 20.04 LTS linux-gcp 5.4.0-1089.97 —
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1017.23~20.04.2 —
Ubuntu 20.04 LTS linux-gke 5.4.0-1083.89 —
Ubuntu 20.04 LTS linux-gke-5.15 5.15.0-1015.18~20.04.1 —
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1053.56 —
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-48.54~20.04.1 —
Ubuntu 20.04 LTS linux-ibm 5.4.0-1033.37 —
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1015.20~20.04.2 —
Ubuntu 20.04 LTS linux-iot 5.4.0-1004.6 —
Ubuntu 20.04 LTS linux-kvm 5.4.0-1075.80 —
Ubuntu 20.04 LTS linux-oem-5.14 5.14.0-1044.49 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1083.91 —
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1017.22~20.04.1 —
Ubuntu 20.04 LTS linux-raspi 5.4.0-1070.80 —
Ubuntu 20.04 LTS linux-riscv +22 No fix yet —
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1018.21~20.04.1 —
Ubuntu 18.04 LTS linux 4.15.0-191.202 —
Ubuntu 18.04 LTS linux-aws 4.15.0-1139.150 —
Ubuntu 18.04 LTS linux-aws-5.4 5.4.0-1085.92~18.04.1 —
Ubuntu 18.04 LTS linux-azure-4.15 4.15.0-1149.164 —
Ubuntu 18.04 LTS linux-azure-5.4 5.4.0-1091.96~18.04.1 —
Ubuntu 18.04 LTS linux-dell300x 4.15.0-1051.56 —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 18.04 LTS linux-gcp-4.15 4.15.0-1134.150 —
Ubuntu 18.04 LTS linux-gcp-5.4 5.4.0-1089.97~18.04.1 —
Ubuntu 18.04 LTS linux-hwe-5.4 5.4.0-126.142~18.04.1 —
Ubuntu 18.04 LTS linux-ibm-5.4 5.4.0-1033.37~18.04.1 —
Ubuntu 18.04 LTS linux-kvm 4.15.0-1125.130 —
Ubuntu 18.04 LTS linux-oracle 4.15.0-1104.115 —
Ubuntu 18.04 LTS linux-oracle-5.4 5.4.0-1083.91~18.04.1 —
Ubuntu 18.04 LTS linux-raspi-5.4 5.4.0-1070.80~18.04.1 —
Ubuntu 18.04 LTS linux-raspi2 4.15.0-1117.125 —
Ubuntu 18.04 LTS linux-snapdragon 4.15.0-1135.145 —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Show 9 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1020.20 —
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1085.92+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1091.96+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1061.69 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1089.97+fips1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2078.83 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2059.65 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1096.107 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2043.48 —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips 4.4.0-1088.95 —
Ubuntu Pro 16.04 LTS linux 4.4.0-239.273 USN-6014-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1155.170 USN-6001-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1139.150~16.04.1 —
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1149.164~16.04.1 —
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1134.150~16.04.2 —
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-191.202~16.04.1 —
Ubuntu Pro 16.04 LTS linux-kvm 4.4.0-1118.128 USN-6014-1
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1104.115~16.04.1 —
Ubuntu Pro 14.04 LTS linux No fix yet —
Ubuntu Pro 14.04 LTS linux-aws 4.4.0-1117.123 USN-6013-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1149.164~14.04.1 —
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-239.273~14.04.1 USN-6014-1
ReleasePackageFixed inAdvisory
RHEL 9 kernel-rt +12 5.14.0-162.6.1.rt21.168.el9_1 RHSA-2022:7933
RHEL 9 perf +29 5.14.0-162.6.1.el9_1 RHSA-2022:8267
RHEL 8 kernel-rt +12 4.18.0-425.3.1.rt7.213.el8 RHSA-2022:7444
RHEL 8 perf +26 4.18.0-425.3.1.el8 RHSA-2022:7683

Advisories 11

References