CVE-2022-20422: Race Condition
First published: Mon Oct 03 2022(Updated: )
In emulation_proc_handler of armv8_deprecated.c, there is a possible way to corrupt memory due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-237540956References: Upstream kernel
Credit: security@android.com security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | ||
| Debian Debian Linux | =10.0 | |
| 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 | <4.15.0-197.208 | 4.15.0-197.208 |
| ubuntu/linux | <5.4.0-132.148 | 5.4.0-132.148 |
| ubuntu/linux | <5.15.0-53.59 | 5.15.0-53.59 |
| ubuntu/linux | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux | <4.4.0-253.287 | 4.4.0-253.287 |
| ubuntu/linux-aws | <4.15.0-1143.155 | 4.15.0-1143.155 |
| ubuntu/linux-aws | <5.4.0-1089.97 | 5.4.0-1089.97 |
| ubuntu/linux-aws | <5.15.0-1023.27 | 5.15.0-1023.27 |
| ubuntu/linux-aws | <4.4.0-1130.136 | 4.4.0-1130.136 |
| ubuntu/linux-aws | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-aws | <4.4.0-1168.183 | 4.4.0-1168.183 |
| ubuntu/linux-aws-5.0 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-aws-5.15 | <5.15.0-1023.27~20.04.1 | 5.15.0-1023.27~20.04.1 |
| ubuntu/linux-aws-5.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-aws-5.4 | <5.4.0-1089.97~18.04.1 | 5.4.0-1089.97~18.04.1 |
| ubuntu/linux-aws-5.4 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-aws-6.5 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-aws-fips | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-aws-hwe | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-aws-hwe | <4.15.0-1143.155~16.04.1 | 4.15.0-1143.155~16.04.1 |
| ubuntu/linux-azure | <5.4.0-1095.101 | 5.4.0-1095.101 |
| ubuntu/linux-azure | <5.15.0-1023.29 | 5.15.0-1023.29 |
| ubuntu/linux-azure | <4.15.0-1157.172~14.04.2 | 4.15.0-1157.172~14.04.2 |
| ubuntu/linux-azure | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-azure-4.15 | <4.15.0-1157.172 | 4.15.0-1157.172 |
| ubuntu/linux-azure-4.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-azure-5.15 | <5.15.0-1023.29~20.04.1 | 5.15.0-1023.29~20.04.1 |
| ubuntu/linux-azure-5.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-azure-5.4 | <5.4.0-1095.101~18.04.1 | 5.4.0-1095.101~18.04.1 |
| ubuntu/linux-azure-5.4 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-azure-6.5 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-azure-edge | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-azure-fde | <5.4.0-1095.101 | 5.4.0-1095.101 |
| ubuntu/linux-azure-fde | <5.15.0-1024.30.1 | 5.15.0-1024.30.1 |
| ubuntu/linux-azure-fde | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-azure-fde-5.15 | <5.15.0-1029.36~20.04.1.1 | 5.15.0-1029.36~20.04.1.1 |
| ubuntu/linux-azure-fde-5.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-azure-fips | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-bluefield | <5.4.0-1050.56 | 5.4.0-1050.56 |
| ubuntu/linux-bluefield | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-dell300x | <4.15.0-1055.60 | 4.15.0-1055.60 |
| ubuntu/linux-dell300x | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-fips | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gcp | <5.4.0-1093.102 | 5.4.0-1093.102 |
| ubuntu/linux-gcp | <5.15.0-1022.29 | 5.15.0-1022.29 |
| ubuntu/linux-gcp | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gcp | <4.15.0-1138.154~16.04.1 | 4.15.0-1138.154~16.04.1 |
| ubuntu/linux-gcp-4.15 | <4.15.0-1138.154 | 4.15.0-1138.154 |
| ubuntu/linux-gcp-4.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gcp-5.15 | <5.15.0-1022.29~20.04.1 | 5.15.0-1022.29~20.04.1 |
| ubuntu/linux-gcp-5.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gcp-5.4 | <5.4.0-1093.102~18.04.1 | 5.4.0-1093.102~18.04.1 |
| ubuntu/linux-gcp-5.4 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gcp-6.5 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gcp-fips | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gke | <5.4.0-1087.94 | 5.4.0-1087.94 |
| ubuntu/linux-gke | <5.15.0-1020.25 | 5.15.0-1020.25 |
| ubuntu/linux-gke | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gke-4.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gke-5.0 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gke-5.15 | <5.15.0-1020.25~20.04.1 | 5.15.0-1020.25~20.04.1 |
| ubuntu/linux-gke-5.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gke-5.4 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gkeop | <5.4.0-1057.61 | 5.4.0-1057.61 |
| ubuntu/linux-gkeop | <5.15.0-1008.12 | 5.15.0-1008.12 |
| ubuntu/linux-gkeop | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gkeop-5.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-gkeop-5.4 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-hwe | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-hwe | <4.15.0-197.208~16.04.1 | 4.15.0-197.208~16.04.1 |
| ubuntu/linux-hwe-5.15 | <5.15.0-53.59~20.04.1 | 5.15.0-53.59~20.04.1 |
| ubuntu/linux-hwe-5.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-hwe-5.4 | <5.4.0-132.148~18.04.1 | 5.4.0-132.148~18.04.1 |
| ubuntu/linux-hwe-5.4 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-hwe-6.5 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-hwe-edge | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-ibm | <5.4.0-1037.42 | 5.4.0-1037.42 |
| ubuntu/linux-ibm | <5.15.0-1018.21 | 5.15.0-1018.21 |
| ubuntu/linux-ibm | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-ibm-5.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-ibm-5.4 | <5.4.0-1037.42~18.04.1 | 5.4.0-1037.42~18.04.1 |
| ubuntu/linux-ibm-5.4 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-intel | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-intel-5.13 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-intel-iotg | <5.15.0-1018.23 | 5.15.0-1018.23 |
| ubuntu/linux-intel-iotg | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-intel-iotg-5.15 | <5.15.0-1018.23~20.04.1 | 5.15.0-1018.23~20.04.1 |
| ubuntu/linux-intel-iotg-5.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-iot | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-kvm | <4.15.0-1129.134 | 4.15.0-1129.134 |
| ubuntu/linux-kvm | <5.4.0-1079.85 | 5.4.0-1079.85 |
| ubuntu/linux-kvm | <5.15.0-1021.26 | 5.15.0-1021.26 |
| ubuntu/linux-kvm | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-kvm | <4.4.0-1131.141 | 4.4.0-1131.141 |
| ubuntu/linux-laptop | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-lowlatency | <5.15.0-53.59 | 5.15.0-53.59 |
| ubuntu/linux-lowlatency | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-lowlatency-hwe-5.15 | <5.15.0-53.59~20.04.1 | 5.15.0-53.59~20.04.1 |
| ubuntu/linux-lowlatency-hwe-5.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-lowlatency-hwe-6.5 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-lts-xenial | <4.4.0-253.287~14.04.1 | 4.4.0-253.287~14.04.1 |
| ubuntu/linux-lts-xenial | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-nvidia | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-nvidia-6.5 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-nvidia-6.8 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-nvidia-lowlatency | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oem | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oem-5.10 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oem-5.14 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oem-5.17 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oem-5.6 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oem-6.5 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oem-6.8 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oem-osp1 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oracle | <4.15.0-1108.119 | 4.15.0-1108.119 |
| ubuntu/linux-oracle | <5.4.0-1087.96 | 5.4.0-1087.96 |
| ubuntu/linux-oracle | <5.15.0-1022.28 | 5.15.0-1022.28 |
| ubuntu/linux-oracle | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oracle | <4.15.0-1108.119~16.04.1 | 4.15.0-1108.119~16.04.1 |
| ubuntu/linux-oracle-5.0 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oracle-5.13 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oracle-5.15 | <5.15.0-1022.28~20.04.1 | 5.15.0-1022.28~20.04.1 |
| ubuntu/linux-oracle-5.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oracle-5.4 | <5.4.0-1087.96~18.04.1 | 5.4.0-1087.96~18.04.1 |
| ubuntu/linux-oracle-5.4 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-oracle-6.5 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-raspi | <5.4.0-1074.85 | 5.4.0-1074.85 |
| ubuntu/linux-raspi | <5.15.0-1018.20 | 5.15.0-1018.20 |
| ubuntu/linux-raspi | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-raspi-5.4 | <5.4.0-1074.85~18.04.1 | 5.4.0-1074.85~18.04.1 |
| ubuntu/linux-raspi-5.4 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-raspi2 | <4.15.0-1121.129 | 4.15.0-1121.129 |
| ubuntu/linux-raspi2 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-riscv | <5.15.0-1023.27 | 5.15.0-1023.27 |
| ubuntu/linux-riscv | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-riscv-5.15 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-riscv-6.5 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-snapdragon | <4.15.0-1139.149 | 4.15.0-1139.149 |
| ubuntu/linux-snapdragon | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-starfive | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-starfive-6.5 | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
| ubuntu/linux-xilinx-zynqmp | <6.0~<5.4.211<5.15.61 | 6.0~ 5.4.211 5.15.61 |
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Reference Links
- https://source.android.com/security/bulletin/2022-10-01
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
- https://launchpad.net/bugs/cve/CVE-2022-20422
- https://source.android.com/docs/security/bulletin/2022-10-01 (Advisory)
- https://git.kernel.org/linus/af483947d472eccb79e42059276c4deed76f99a6 (6.0-rc1)
- https://ubuntu.com/security/notices/USN-5727-1
- https://ubuntu.com/security/notices/USN-5728-1
- https://ubuntu.com/security/notices/USN-5729-1
- https://ubuntu.com/security/notices/USN-5727-2
- https://ubuntu.com/security/notices/USN-5728-2
- https://ubuntu.com/security/notices/USN-5729-2
- https://ubuntu.com/security/notices/USN-5728-3
- https://ubuntu.com/security/notices/USN-5774-1
- https://www.cve.org/CVERecord?id=CVE-2022-20422
- https://ubuntu.com/security/notices/USN-6739-1
- https://nvd.nist.gov/vuln/detail/CVE-2022-20422
- https://security-tracker.debian.org/tracker/CVE-2022-20422
- https://git.kernel.org/linus/587064b610c703f259317d00dc37bf6d40f4fc74
- https://git.kernel.org/linus/af483947d472eccb79e42059276c4deed76f99a6
- https://ubuntu.com/security/CVE-2022-20422
- https://android.googlesource.com/kernel/common/+/885349f53dd73
Parent vulnerabilities
(Appears in the following advisories)
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/author
- agent/remedy
- agent/weakness
- agent/severity
- agent/description
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/android-source
- source/Android
- agent/references
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- collector/usn-cve
- source/Ubuntu
- vendor/google
- canonical/google android
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- package-manager/debian
- package-manager/ubuntu