CVE-2022-20572
First published: Fri Dec 16 2022(Updated: )
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
Credit: security@android.com security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | ||
| debian/linux | 5.10.218-1 5.10.221-1 6.1.94-1 6.1.99-1 6.9.10-1 6.9.12-1 | |
| ubuntu/linux | <4.15.0-191.202 | 4.15.0-191.202 |
| ubuntu/linux | <5.4.0-126.142 | 5.4.0-126.142 |
| ubuntu/linux | <5.15.0-47.51 | 5.15.0-47.51 |
| ubuntu/linux | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux | <4.4.0-239.273 | 4.4.0-239.273 |
| ubuntu/linux-allwinner | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-allwinner-5.19 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-aws | <4.15.0-1139.150 | 4.15.0-1139.150 |
| ubuntu/linux-aws | <5.4.0-1085.92 | 5.4.0-1085.92 |
| ubuntu/linux-aws | <5.15.0-1019.23 | 5.15.0-1019.23 |
| ubuntu/linux-aws | <4.4.0-1117.123 | 4.4.0-1117.123 |
| ubuntu/linux-aws | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-aws | <4.4.0-1155.170 | 4.4.0-1155.170 |
| ubuntu/linux-aws-5.0 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-aws-5.15 | <5.15.0-1019.23~20.04.1 | 5.15.0-1019.23~20.04.1 |
| ubuntu/linux-aws-5.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-aws-5.19 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-aws-5.4 | <5.4.0-1085.92~18.04.1 | 5.4.0-1085.92~18.04.1 |
| ubuntu/linux-aws-5.4 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-aws-6.2 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-aws-6.5 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-aws-fips | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-aws-hwe | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-aws-hwe | <4.15.0-1139.150~16.04.1 | 4.15.0-1139.150~16.04.1 |
| ubuntu/linux-azure | <5.4.0-1091.96 | 5.4.0-1091.96 |
| ubuntu/linux-azure | <5.15.0-1019.24 | 5.15.0-1019.24 |
| ubuntu/linux-azure | <4.15.0-1149.164~14.04.1 | 4.15.0-1149.164~14.04.1 |
| ubuntu/linux-azure | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-azure | <4.15.0-1149.164~16.04.1 | 4.15.0-1149.164~16.04.1 |
| ubuntu/linux-azure-4.15 | <4.15.0-1149.164 | 4.15.0-1149.164 |
| ubuntu/linux-azure-4.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-azure-5.15 | <5.15.0-1019.24~20.04.1 | 5.15.0-1019.24~20.04.1 |
| ubuntu/linux-azure-5.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-azure-5.4 | <5.4.0-1091.96~18.04.1 | 5.4.0-1091.96~18.04.1 |
| ubuntu/linux-azure-5.4 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-azure-6.2 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-azure-6.5 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-azure-edge | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-azure-fde | <5.4.0-1091.96 | 5.4.0-1091.96 |
| ubuntu/linux-azure-fde | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-azure-fde-5.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-azure-fde-5.19 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-azure-fde-6.2 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-azure-fips | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-bluefield | <5.4.0-1046.51 | 5.4.0-1046.51 |
| ubuntu/linux-bluefield | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-dell300x | <4.15.0-1051.56 | 4.15.0-1051.56 |
| ubuntu/linux-dell300x | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-fips | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gcp | <5.4.0-1089.97 | 5.4.0-1089.97 |
| ubuntu/linux-gcp | <5.15.0-1017.23 | 5.15.0-1017.23 |
| ubuntu/linux-gcp | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gcp | <4.15.0-1134.150~16.04.2 | 4.15.0-1134.150~16.04.2 |
| ubuntu/linux-gcp-4.15 | <4.15.0-1134.150 | 4.15.0-1134.150 |
| ubuntu/linux-gcp-4.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gcp-5.15 | <5.15.0-1017.23~20.04.2 | 5.15.0-1017.23~20.04.2 |
| ubuntu/linux-gcp-5.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gcp-5.19 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gcp-5.4 | <5.4.0-1089.97~18.04.1 | 5.4.0-1089.97~18.04.1 |
| ubuntu/linux-gcp-5.4 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gcp-6.5 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gcp-fips | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gke | <5.4.0-1083.89 | 5.4.0-1083.89 |
| ubuntu/linux-gke | <5.15.0-1015.18 | 5.15.0-1015.18 |
| ubuntu/linux-gke | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gke-4.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gke-5.0 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gke-5.15 | <5.15.0-1015.18~20.04.1 | 5.15.0-1015.18~20.04.1 |
| ubuntu/linux-gke-5.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gke-5.4 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gkeop | <5.4.0-1053.56 | 5.4.0-1053.56 |
| ubuntu/linux-gkeop | <5.15.0-1002.4 | 5.15.0-1002.4 |
| ubuntu/linux-gkeop | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gkeop-5.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-gkeop-5.4 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-hwe | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-hwe | <4.15.0-191.202~16.04.1 | 4.15.0-191.202~16.04.1 |
| ubuntu/linux-hwe-5.15 | <5.15.0-48.54~20.04.1 | 5.15.0-48.54~20.04.1 |
| ubuntu/linux-hwe-5.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-hwe-5.4 | <5.4.0-126.142~18.04.1 | 5.4.0-126.142~18.04.1 |
| ubuntu/linux-hwe-5.4 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-hwe-6.2 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-hwe-6.5 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-hwe-edge | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-ibm | <5.4.0-1033.37 | 5.4.0-1033.37 |
| ubuntu/linux-ibm | <5.15.0-1013.15 | 5.15.0-1013.15 |
| ubuntu/linux-ibm | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-ibm-5.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-ibm-5.4 | <5.4.0-1033.37~18.04.1 | 5.4.0-1033.37~18.04.1 |
| ubuntu/linux-ibm-5.4 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-intel | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-intel-5.13 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-intel-iotg | <5.15.0-1015.20 | 5.15.0-1015.20 |
| ubuntu/linux-intel-iotg | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-intel-iotg-5.15 | <5.15.0-1015.20~20.04.2 | 5.15.0-1015.20~20.04.2 |
| ubuntu/linux-intel-iotg-5.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-iot | <5.4.0-1004.6 | 5.4.0-1004.6 |
| ubuntu/linux-iot | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-kvm | <4.15.0-1125.130 | 4.15.0-1125.130 |
| ubuntu/linux-kvm | <5.4.0-1075.80 | 5.4.0-1075.80 |
| ubuntu/linux-kvm | <5.15.0-1017.21 | 5.15.0-1017.21 |
| ubuntu/linux-kvm | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-kvm | <4.4.0-1118.128 | 4.4.0-1118.128 |
| ubuntu/linux-laptop | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-lowlatency | <5.15.0-47.53 | 5.15.0-47.53 |
| ubuntu/linux-lowlatency | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-lowlatency-hwe-5.15 | <5.15.0-48.54~20.04.1 | 5.15.0-48.54~20.04.1 |
| ubuntu/linux-lowlatency-hwe-5.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-lowlatency-hwe-5.19 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-lowlatency-hwe-6.2 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-lowlatency-hwe-6.5 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-lts-xenial | <4.4.0-239.273~14.04.1 | 4.4.0-239.273~14.04.1 |
| ubuntu/linux-lts-xenial | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-nvidia | <5.15.0-1007.7 | 5.15.0-1007.7 |
| ubuntu/linux-nvidia | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-nvidia-6.5 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-nvidia-6.8 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-nvidia-lowlatency | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oem | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oem-5.10 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oem-5.14 | <5.14.0-1044.49 | 5.14.0-1044.49 |
| ubuntu/linux-oem-5.14 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oem-5.17 | <5.17.0-1013.14 | 5.17.0-1013.14 |
| ubuntu/linux-oem-5.17 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oem-5.6 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oem-6.0 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oem-6.1 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oem-6.5 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oem-6.8 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oem-osp1 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oracle | <4.15.0-1104.115 | 4.15.0-1104.115 |
| ubuntu/linux-oracle | <5.4.0-1083.91 | 5.4.0-1083.91 |
| ubuntu/linux-oracle | <5.15.0-1017.22 | 5.15.0-1017.22 |
| ubuntu/linux-oracle | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oracle | <4.15.0-1104.115~16.04.1 | 4.15.0-1104.115~16.04.1 |
| ubuntu/linux-oracle-5.0 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oracle-5.13 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oracle-5.15 | <5.15.0-1017.22~20.04.1 | 5.15.0-1017.22~20.04.1 |
| ubuntu/linux-oracle-5.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oracle-5.4 | <5.4.0-1083.91~18.04.1 | 5.4.0-1083.91~18.04.1 |
| ubuntu/linux-oracle-5.4 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-oracle-6.5 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-raspi | <5.4.0-1070.80 | 5.4.0-1070.80 |
| ubuntu/linux-raspi | <5.15.0-1014.16 | 5.15.0-1014.16 |
| ubuntu/linux-raspi | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-raspi-5.4 | <5.4.0-1070.80~18.04.1 | 5.4.0-1070.80~18.04.1 |
| ubuntu/linux-raspi-5.4 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-raspi2 | <4.15.0-1117.125 | 4.15.0-1117.125 |
| ubuntu/linux-raspi2 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-riscv | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-riscv-5.15 | <5.15.0-1018.21~20.04.1 | 5.15.0-1018.21~20.04.1 |
| ubuntu/linux-riscv-5.15 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-riscv-6.5 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-snapdragon | <4.15.0-1135.145 | 4.15.0-1135.145 |
| ubuntu/linux-snapdragon | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-starfive | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-starfive-5.19 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-starfive-6.5 | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
| ubuntu/linux-xilinx-zynqmp | <5.19~<5.4.197<5.15.45 | 5.19~ 5.4.197 5.15.45 |
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Reference Links
- https://source.android.com/security/bulletin/pixel/2022-12-01
- https://launchpad.net/bugs/cve/CVE-2022-20572
- https://git.kernel.org/linus/4caae58406f8ceb741603eee460d79bacca9b1b5
- https://security-tracker.debian.org/tracker/CVE-2022-20572
- https://ubuntu.com/security/notices/USN-6001-1
- https://ubuntu.com/security/notices/USN-6013-1
- https://ubuntu.com/security/notices/USN-6014-1
- https://www.cve.org/CVERecord?id=CVE-2022-20572
- https://nvd.nist.gov/vuln/detail/CVE-2022-20572
- https://git.kernel.org/linus/a4ffc152198efba2ed9e6eac0eb97f17bfebce85
- https://ubuntu.com/security/CVE-2022-20572
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