CVE-2022-42895: Info Leak in l2cap_core in the Linux Kernel
First published: Wed Nov 23 2022(Updated: )
Linux Kernel could allow a local attacker to obtain sensitive information, caused by an infoleak vulnerability in the net/bluetooth/l2cap_core.c's l2cap_parse_conf_req function. An attacker could exploit this vulnerability to obtain sensitive information.
Credit: cve-coordination@google.com cve-coordination@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | ||
| redhat/kernel | <6.1 | 6.1 |
| IBM QRadar SIEM | <=7.5 - 7.5.0 UP8 IF01 | |
| ubuntu/linux | <4.15.0-206.217 | 4.15.0-206.217 |
| ubuntu/linux | <5.4.0-139.156 | 5.4.0-139.156 |
| ubuntu/linux | <5.15.0-60.66 | 5.15.0-60.66 |
| ubuntu/linux | <5.19.0-31.32 | 5.19.0-31.32 |
| ubuntu/linux | <6.1.0-16.16 | 6.1.0-16.16 |
| ubuntu/linux | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux | <4.4.0-237.271 | 4.4.0-237.271 |
| ubuntu/linux-aws | <4.15.0-1151.164 | 4.15.0-1151.164 |
| ubuntu/linux-aws | <5.4.0-1096.104 | 5.4.0-1096.104 |
| ubuntu/linux-aws | <5.15.0-1030.34 | 5.15.0-1030.34 |
| ubuntu/linux-aws | <5.19.0-1019.20 | 5.19.0-1019.20 |
| ubuntu/linux-aws | <4.4.0-1116.122 | 4.4.0-1116.122 |
| ubuntu/linux-aws | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-aws | <4.4.0-1154.169 | 4.4.0-1154.169 |
| ubuntu/linux-aws-5.0 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-aws-5.15 | <5.15.0-1030.34~20.04.1 | 5.15.0-1030.34~20.04.1 |
| ubuntu/linux-aws-5.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-aws-5.4 | <5.4.0-1096.104~18.04.1 | 5.4.0-1096.104~18.04.1 |
| ubuntu/linux-aws-5.4 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-aws-6.5 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-aws-fips | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-aws-hwe | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-aws-hwe | <4.15.0-1151.164~16.04.1 | 4.15.0-1151.164~16.04.1 |
| ubuntu/linux-azure | <5.4.0-1103.109 | 5.4.0-1103.109 |
| ubuntu/linux-azure | <5.15.0-1033.40 | 5.15.0-1033.40 |
| ubuntu/linux-azure | <5.19.0-1020.21 | 5.19.0-1020.21 |
| ubuntu/linux-azure | <4.15.0-1162.177~14.04.1 | 4.15.0-1162.177~14.04.1 |
| ubuntu/linux-azure | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-azure | <4.15.0-1162.177~16.04.1 | 4.15.0-1162.177~16.04.1 |
| ubuntu/linux-azure-4.15 | <4.15.0-1162.177 | 4.15.0-1162.177 |
| ubuntu/linux-azure-4.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-azure-5.15 | <5.15.0-1033.40~20.04.1 | 5.15.0-1033.40~20.04.1 |
| ubuntu/linux-azure-5.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-azure-5.4 | <5.4.0-1103.109~18.04.1 | 5.4.0-1103.109~18.04.1 |
| ubuntu/linux-azure-5.4 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-azure-6.5 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-azure-edge | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-azure-fde | <5.4.0-1103.109 | 5.4.0-1103.109 |
| ubuntu/linux-azure-fde | <5.15.0-1033.40.1 | 5.15.0-1033.40.1 |
| ubuntu/linux-azure-fde | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-azure-fde-5.15 | <5.15.0-1033.40~20.04.1.1 | 5.15.0-1033.40~20.04.1.1 |
| ubuntu/linux-azure-fde-5.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-azure-fips | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-bluefield | <5.4.0-1058.64 | 5.4.0-1058.64 |
| ubuntu/linux-bluefield | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-dell300x | <4.15.0-1061.66 | 4.15.0-1061.66 |
| ubuntu/linux-dell300x | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-fips | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gcp | <5.4.0-1100.109 | 5.4.0-1100.109 |
| ubuntu/linux-gcp | <5.15.0-1029.36 | 5.15.0-1029.36 |
| ubuntu/linux-gcp | <5.19.0-1017.19 | 5.19.0-1017.19 |
| ubuntu/linux-gcp | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gcp | <4.15.0-1146.162~16.04.1 | 4.15.0-1146.162~16.04.1 |
| ubuntu/linux-gcp-4.15 | <4.15.0-1146.162 | 4.15.0-1146.162 |
| ubuntu/linux-gcp-4.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gcp-5.15 | <5.15.0-1029.36~20.04.1 | 5.15.0-1029.36~20.04.1 |
| ubuntu/linux-gcp-5.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gcp-5.4 | <5.4.0-1100.109~18.04.1 | 5.4.0-1100.109~18.04.1 |
| ubuntu/linux-gcp-5.4 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gcp-6.5 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gcp-fips | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gke | <5.4.0-1094.101 | 5.4.0-1094.101 |
| ubuntu/linux-gke | <5.15.0-1027.32 | 5.15.0-1027.32 |
| ubuntu/linux-gke | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gke-4.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gke-5.0 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gke-5.15 | <5.15.0-1027.32~20.04.1 | 5.15.0-1027.32~20.04.1 |
| ubuntu/linux-gke-5.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gke-5.4 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gkeop | <5.4.0-1064.68 | 5.4.0-1064.68 |
| ubuntu/linux-gkeop | <5.15.0-1015.19 | 5.15.0-1015.19 |
| ubuntu/linux-gkeop | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gkeop-5.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-gkeop-5.4 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-hwe | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-hwe | <4.15.0-206.217~16.04.1 | 4.15.0-206.217~16.04.1 |
| ubuntu/linux-hwe-5.15 | <5.15.0-60.66~20.04.1 | 5.15.0-60.66~20.04.1 |
| ubuntu/linux-hwe-5.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-hwe-5.19 | <5.19.0-32.33~22.04.1 | 5.19.0-32.33~22.04.1 |
| ubuntu/linux-hwe-5.4 | <5.4.0-139.156~18.04.1 | 5.4.0-139.156~18.04.1 |
| ubuntu/linux-hwe-5.4 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-hwe-6.5 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-hwe-edge | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-ibm | <5.4.0-1044.49 | 5.4.0-1044.49 |
| ubuntu/linux-ibm | <5.15.0-1025.28 | 5.15.0-1025.28 |
| ubuntu/linux-ibm | <5.19.0-1017.19 | 5.19.0-1017.19 |
| ubuntu/linux-ibm | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-ibm-5.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-ibm-5.4 | <5.4.0-1044.49~18.04.1 | 5.4.0-1044.49~18.04.1 |
| ubuntu/linux-ibm-5.4 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-intel | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-intel-5.13 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-intel-iotg | <5.15.0-1025.30 | 5.15.0-1025.30 |
| ubuntu/linux-intel-iotg | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-intel-iotg-5.15 | <5.15.0-1025.30~20.04.1 | 5.15.0-1025.30~20.04.1 |
| ubuntu/linux-intel-iotg-5.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-iot | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-kvm | <4.15.0-1136.141 | 4.15.0-1136.141 |
| ubuntu/linux-kvm | <5.4.0-1086.92 | 5.4.0-1086.92 |
| ubuntu/linux-kvm | <5.15.0-1028.33 | 5.15.0-1028.33 |
| ubuntu/linux-kvm | <5.19.0-1018.19 | 5.19.0-1018.19 |
| ubuntu/linux-kvm | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-kvm | <4.4.0-1117.127 | 4.4.0-1117.127 |
| ubuntu/linux-laptop | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-lowlatency | <5.15.0-60.66 | 5.15.0-60.66 |
| ubuntu/linux-lowlatency | <5.19.0-1017.18 | 5.19.0-1017.18 |
| ubuntu/linux-lowlatency | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-lowlatency-hwe-5.15 | <5.15.0-60.66~20.04.1 | 5.15.0-60.66~20.04.1 |
| ubuntu/linux-lowlatency-hwe-5.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-lowlatency-hwe-5.19 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-lowlatency-hwe-6.5 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-lts-xenial | <4.4.0-237.271~14.04.1 | 4.4.0-237.271~14.04.1 |
| ubuntu/linux-lts-xenial | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-nvidia | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-nvidia-6.5 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oem | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oem-5.10 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oem-5.14 | <5.14.0-1057.64 | 5.14.0-1057.64 |
| ubuntu/linux-oem-5.14 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oem-5.17 | <5.17.0-1027.28 | 5.17.0-1027.28 |
| ubuntu/linux-oem-5.17 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oem-5.6 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oem-6.0 | <6.0.0-1008.8 | 6.0.0-1008.8 |
| ubuntu/linux-oem-6.0 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oem-6.1 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oem-6.5 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oem-6.8 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oem-osp1 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oracle | <4.15.0-1115.126 | 4.15.0-1115.126 |
| ubuntu/linux-oracle | <5.4.0-1093.102 | 5.4.0-1093.102 |
| ubuntu/linux-oracle | <5.15.0-1029.35 | 5.15.0-1029.35 |
| ubuntu/linux-oracle | <5.19.0-1017.20 | 5.19.0-1017.20 |
| ubuntu/linux-oracle | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oracle | <4.15.0-1115.126~16.04.1 | 4.15.0-1115.126~16.04.1 |
| ubuntu/linux-oracle-5.0 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oracle-5.13 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oracle-5.15 | <5.15.0-1029.35~20.04.1 | 5.15.0-1029.35~20.04.1 |
| ubuntu/linux-oracle-5.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oracle-5.4 | <5.4.0-1093.102~18.04.1 | 5.4.0-1093.102~18.04.1 |
| ubuntu/linux-oracle-5.4 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-oracle-6.5 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-raspi | <5.4.0-1080.91 | 5.4.0-1080.91 |
| ubuntu/linux-raspi | <5.15.0-1024.26 | 5.15.0-1024.26 |
| ubuntu/linux-raspi | <5.19.0-1013.20 | 5.19.0-1013.20 |
| ubuntu/linux-raspi | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-raspi-5.4 | <5.4.0-1080.91~18.04.1 | 5.4.0-1080.91~18.04.1 |
| ubuntu/linux-raspi-5.4 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-raspi2 | <4.15.0-1128.136 | 4.15.0-1128.136 |
| ubuntu/linux-raspi2 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-riscv | <5.19.0-1013.14 | 5.19.0-1013.14 |
| ubuntu/linux-riscv | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-riscv-5.15 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-riscv-6.5 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-snapdragon | <4.15.0-1146.156 | 4.15.0-1146.156 |
| ubuntu/linux-snapdragon | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-starfive | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-starfive-6.5 | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| ubuntu/linux-xilinx-zynqmp | <6.1~<5.4.224<5.15.78 | 6.1~ 5.4.224 5.15.78 |
| 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 |
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Reference Links
- https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e
- https://kernel.dance/#b1a2cd50c0357f243b7435a732b4e62ba3157a2e
- https://launchpad.net/bugs/cve/CVE-2022-42895
- https://git.kernel.org/linus/b1a2cd50c0357f243b7435a732b4e62ba3157a2e
- https://github.com/google/security-research/security/advisories/GHSA-vccx-8h74-2357
- https://ubuntu.com/security/notices/USN-5780-1
- https://ubuntu.com/security/notices/USN-5850-1
- https://ubuntu.com/security/notices/USN-5851-1
- https://ubuntu.com/security/notices/USN-5853-1
- https://ubuntu.com/security/notices/USN-5858-1
- https://ubuntu.com/security/notices/USN-5859-1
- https://ubuntu.com/security/notices/USN-5860-1
- https://ubuntu.com/security/notices/USN-5874-1
- https://ubuntu.com/security/notices/USN-5875-1
- https://ubuntu.com/security/notices/USN-5876-1
- https://ubuntu.com/security/notices/USN-5877-1
- https://ubuntu.com/security/notices/USN-5878-1
- https://ubuntu.com/security/notices/USN-5879-1
- https://ubuntu.com/security/notices/USN-5883-1
- https://ubuntu.com/security/notices/USN-5884-1
- https://ubuntu.com/security/notices/USN-5909-1
- https://ubuntu.com/security/notices/USN-5918-1
- https://ubuntu.com/security/notices/USN-5919-1
- https://ubuntu.com/security/notices/USN-5920-1
- https://ubuntu.com/security/notices/USN-5924-1
- https://ubuntu.com/security/notices/USN-5925-1
- https://ubuntu.com/security/notices/USN-5926-1
- https://ubuntu.com/security/notices/USN-5927-1
- https://ubuntu.com/security/notices/USN-5975-1
- https://ubuntu.com/security/notices/USN-6007-1
- https://www.cve.org/CVERecord?id=CVE-2022-42895
- https://nvd.nist.gov/vuln/detail/CVE-2022-42895
- https://security-tracker.debian.org/tracker/CVE-2022-42895
- https://git.kernel.org/linus/42dceae2819b5ac6fc9a0d414ae05a8960e2a1d9
- https://ubuntu.com/security/CVE-2022-42895
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2147358
- https://access.redhat.com/errata/RHSA-2023:6583
- https://access.redhat.com/errata/RHSA-2023:6901
- https://access.redhat.com/errata/RHSA-2023:7077
- https://access.redhat.com/errata/RHSA-2024:1877
- https://access.redhat.com/errata/RHSA-2024:2621
- https://bugzilla.redhat.com/show_bug.cgi?id=2147356
- https://exchange.xforce.ibmcloud.com/vulnerabilities/240821
- https://www.ibm.com/support/pages/node/7150684 (Advisory)
Parent vulnerabilities
(Appears in the following advisories)
- collector/nvd-index
- agent/type
- agent/first-publish-date
- agent/remedy
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/weakness
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2022-42895
- collector/ibm-support
- source/IBM
- agent/references
- agent/description
- collector/usn-cve
- source/Ubuntu
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/severity
- agent/last-modified-date
- agent/event
- agent/tags
- vendor/linux
- canonical/linux linux kernel
- package-manager/redhat
- vendor/ibm
- canonical/ibm qradar siem
- version/ibm qradar siem/7.5 - 7.5.0 up8 if01
- package-manager/ubuntu
- package-manager/debian