CVE-2022-20566: Use After Free
First published: Fri Dec 16 2022(Updated: )
In l2cap_chan_put of l2cap_core, there is a possible use after free due to improper locking. 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-165329981References: 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 | <4.15.0-197.208 | 4.15.0-197.208 |
| ubuntu/linux | <5.4.0-128.144 | 5.4.0-128.144 |
| ubuntu/linux | <5.15.0-50.56 | 5.15.0-50.56 |
| ubuntu/linux | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux | <4.4.0-237.271 | 4.4.0-237.271 |
| ubuntu/linux-aws | <4.15.0-1143.155 | 4.15.0-1143.155 |
| ubuntu/linux-aws | <5.4.0-1086.93 | 5.4.0-1086.93 |
| ubuntu/linux-aws | <5.15.0-1021.25 | 5.15.0-1021.25 |
| ubuntu/linux-aws | <4.4.0-1116.122 | 4.4.0-1116.122 |
| ubuntu/linux-aws | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-aws | <4.4.0-1154.169 | 4.4.0-1154.169 |
| ubuntu/linux-aws-5.0 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-aws-5.15 | <5.15.0-1021.25~20.04.1 | 5.15.0-1021.25~20.04.1 |
| ubuntu/linux-aws-5.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-aws-5.4 | <5.4.0-1086.93~18.04.1 | 5.4.0-1086.93~18.04.1 |
| ubuntu/linux-aws-5.4 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-aws-6.5 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-aws-fips | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-aws-hwe | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-aws-hwe | <4.15.0-1143.155~16.04.1 | 4.15.0-1143.155~16.04.1 |
| ubuntu/linux-azure | <5.4.0-1094.100 | 5.4.0-1094.100 |
| ubuntu/linux-azure | <5.15.0-1021.26 | 5.15.0-1021.26 |
| ubuntu/linux-azure | <4.15.0-1157.172~14.04.2 | 4.15.0-1157.172~14.04.2 |
| ubuntu/linux-azure | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-azure | <4.15.0-1159.174~16.04.1 | 4.15.0-1159.174~16.04.1 |
| ubuntu/linux-azure-4.15 | <4.15.0-1157.172 | 4.15.0-1157.172 |
| ubuntu/linux-azure-4.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-azure-5.15 | <5.15.0-1021.26~20.04.1 | 5.15.0-1021.26~20.04.1 |
| ubuntu/linux-azure-5.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-azure-5.4 | <5.4.0-1094.100~18.04.1 | 5.4.0-1094.100~18.04.1 |
| ubuntu/linux-azure-5.4 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-azure-6.5 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-azure-edge | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-azure-fde | <5.4.0-1094.100 | 5.4.0-1094.100 |
| ubuntu/linux-azure-fde | <5.15.0-1024.30.1 | 5.15.0-1024.30.1 |
| ubuntu/linux-azure-fde | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-azure-fde-5.15 | <5.15.0-1021.26~20.04.1.1 | 5.15.0-1021.26~20.04.1.1 |
| ubuntu/linux-azure-fde-5.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-azure-fips | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-bluefield | <5.4.0-1047.52 | 5.4.0-1047.52 |
| ubuntu/linux-bluefield | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-dell300x | <4.15.0-1055.60 | 4.15.0-1055.60 |
| ubuntu/linux-dell300x | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-fips | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-gcp | <5.4.0-1090.98 | 5.4.0-1090.98 |
| ubuntu/linux-gcp | <5.15.0-1019.25 | 5.15.0-1019.25 |
| ubuntu/linux-gcp | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| 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 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-gcp-5.15 | <5.15.0-1021.28~20.04.1 | 5.15.0-1021.28~20.04.1 |
| ubuntu/linux-gcp-5.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-gcp-5.4 | <5.4.0-1092.101~18.04.1 | 5.4.0-1092.101~18.04.1 |
| ubuntu/linux-gcp-5.4 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-gcp-6.5 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-gcp-fips | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-gke | <5.4.0-1084.90 | 5.4.0-1084.90 |
| ubuntu/linux-gke | <5.15.0-1017.20 | 5.15.0-1017.20 |
| ubuntu/linux-gke | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-gke-4.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-gke-5.0 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-gke-5.15 | <5.15.0-1019.23~20.04.1 | 5.15.0-1019.23~20.04.1 |
| ubuntu/linux-gke-5.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-gke-5.4 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-gkeop | <5.4.0-1054.57 | 5.4.0-1054.57 |
| ubuntu/linux-gkeop | <5.15.0-1004.6 | 5.15.0-1004.6 |
| ubuntu/linux-gkeop | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-gkeop-5.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-gkeop-5.4 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-hwe | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-hwe | <4.15.0-197.208~16.04.1 | 4.15.0-197.208~16.04.1 |
| ubuntu/linux-hwe-5.15 | <5.15.0-50.56~20.04.1 | 5.15.0-50.56~20.04.1 |
| ubuntu/linux-hwe-5.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-hwe-5.4 | <5.4.0-128.144~18.04.1 | 5.4.0-128.144~18.04.1 |
| ubuntu/linux-hwe-5.4 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-hwe-6.5 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-hwe-edge | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-ibm | <5.4.0-1034.38 | 5.4.0-1034.38 |
| ubuntu/linux-ibm | <5.15.0-1015.17 | 5.15.0-1015.17 |
| ubuntu/linux-ibm | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-ibm-5.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-ibm-5.4 | <5.4.0-1034.38~18.04.1 | 5.4.0-1034.38~18.04.1 |
| ubuntu/linux-ibm-5.4 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-intel | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-intel-5.13 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-intel-iotg | <5.15.0-1017.22 | 5.15.0-1017.22 |
| ubuntu/linux-intel-iotg | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-intel-iotg-5.15 | <5.15.0-1017.22~20.04.1 | 5.15.0-1017.22~20.04.1 |
| ubuntu/linux-intel-iotg-5.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-iot | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-kvm | <4.15.0-1129.134 | 4.15.0-1129.134 |
| ubuntu/linux-kvm | <5.4.0-1076.81 | 5.4.0-1076.81 |
| ubuntu/linux-kvm | <5.15.0-1019.23 | 5.15.0-1019.23 |
| ubuntu/linux-kvm | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-kvm | <4.4.0-1117.127 | 4.4.0-1117.127 |
| ubuntu/linux-laptop | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-lowlatency | <5.15.0-50.56 | 5.15.0-50.56 |
| ubuntu/linux-lowlatency | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-lowlatency-hwe-5.15 | <5.15.0-50.56~20.04.1 | 5.15.0-50.56~20.04.1 |
| ubuntu/linux-lowlatency-hwe-5.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-lowlatency-hwe-5.19 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-lowlatency-hwe-6.5 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-lts-xenial | <4.4.0-237.271~14.04.1 | 4.4.0-237.271~14.04.1 |
| ubuntu/linux-lts-xenial | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-nvidia | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-nvidia-6.5 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-nvidia-6.8 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-nvidia-lowlatency | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oem | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oem-5.10 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oem-5.14 | <5.14.0-1058.66 | 5.14.0-1058.66 |
| ubuntu/linux-oem-5.14 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oem-5.17 | <5.17.0-1028.29 | 5.17.0-1028.29 |
| ubuntu/linux-oem-5.17 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oem-5.6 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oem-6.0 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oem-6.1 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oem-6.5 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oem-6.8 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oem-osp1 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oracle | <4.15.0-1108.119 | 4.15.0-1108.119 |
| ubuntu/linux-oracle | <5.4.0-1084.92 | 5.4.0-1084.92 |
| ubuntu/linux-oracle | <5.15.0-1019.24 | 5.15.0-1019.24 |
| ubuntu/linux-oracle | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oracle | <4.15.0-1108.119~16.04.1 | 4.15.0-1108.119~16.04.1 |
| ubuntu/linux-oracle-5.0 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oracle-5.13 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oracle-5.15 | <5.15.0-1019.24~20.04.1 | 5.15.0-1019.24~20.04.1 |
| ubuntu/linux-oracle-5.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oracle-5.4 | <5.4.0-1084.92~18.04.1 | 5.4.0-1084.92~18.04.1 |
| ubuntu/linux-oracle-5.4 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-oracle-6.5 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-raspi | <5.4.0-1071.81 | 5.4.0-1071.81 |
| ubuntu/linux-raspi | <5.15.0-1016.18 | 5.15.0-1016.18 |
| ubuntu/linux-raspi | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-raspi-5.4 | <5.4.0-1071.81~18.04.1 | 5.4.0-1071.81~18.04.1 |
| ubuntu/linux-raspi-5.4 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-raspi2 | <4.15.0-1121.129 | 4.15.0-1121.129 |
| ubuntu/linux-raspi2 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-riscv | <5.15.0-1020.23 | 5.15.0-1020.23 |
| ubuntu/linux-riscv | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-riscv-5.15 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-riscv-6.5 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-snapdragon | <4.15.0-1139.149 | 4.15.0-1139.149 |
| ubuntu/linux-snapdragon | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-starfive | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-starfive-6.5 | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
| ubuntu/linux-xilinx-zynqmp | <5.19<5.4.209<5.15.59 | 5.19 5.4.209 5.15.59 |
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Reference Links
- https://source.android.com/security/bulletin/pixel/2022-12-01
- https://launchpad.net/bugs/cve/CVE-2022-20566
- https://git.kernel.org/linus/d0be8347c623e0ac4202a1d4e0373882821f56b0
- https://security-tracker.debian.org/tracker/CVE-2022-20566
- https://ubuntu.com/security/notices/USN-5884-1
- https://ubuntu.com/security/notices/USN-5913-1
- https://ubuntu.com/security/notices/USN-5926-1
- https://www.cve.org/CVERecord?id=CVE-2022-20566
- https://nvd.nist.gov/vuln/detail/CVE-2022-20566
- https://git.kernel.org/linus/4af66c691f4e5c2db9bb00793669a548e9db1974
- https://ubuntu.com/security/CVE-2022-20566
- 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
- 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
- package-manager/debian
- package-manager/ubuntu