CVE-2022-4095: Use After Free
First published: Tue Nov 22 2022(Updated: )
A use-after-free flaw was found in Linux kernel before 5.19.2. This issue occurs in cmd_hdl_filter in drivers/staging/rtl8712/rtl8712_cmd.c, allowing an attacker to launch a local denial of service attack and gain escalation of privileges.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=2.6.37<4.9.328 | |
| Linux Linux kernel | >=4.10<4.14.293 | |
| Linux Linux kernel | >=4.15<4.19.258 | |
| Linux Linux kernel | >=4.20<5.4.213 | |
| Linux Linux kernel | >=5.5<5.10.142 | |
| Linux Linux kernel | >=5.11<5.15.66 | |
| Linux Linux kernel | >=5.16<5.19.8 | |
| Linux Linux kernel | =6.0-rc1 | |
| Linux Linux kernel | =6.0-rc2 | |
| Linux Linux kernel | =6.0-rc3 | |
| ubuntu/linux | <4.15.0-201.212 | 4.15.0-201.212 |
| ubuntu/linux | <5.4.0-136.153 | 5.4.0-136.153 |
| ubuntu/linux | <5.15.0-57.63 | 5.15.0-57.63 |
| ubuntu/linux | <5.19.0-28.29 | 5.19.0-28.29 |
| ubuntu/linux | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux | <4.4.0-240.274 | 4.4.0-240.274 |
| ubuntu/linux-aws | <4.15.0-1147.159 | 4.15.0-1147.159 |
| ubuntu/linux-aws | <5.4.0-1093.101 | 5.4.0-1093.101 |
| ubuntu/linux-aws | <5.15.0-1027.31 | 5.15.0-1027.31 |
| ubuntu/linux-aws | <5.19.0-1016.17 | 5.19.0-1016.17 |
| ubuntu/linux-aws | <4.4.0-1118.124 | 4.4.0-1118.124 |
| ubuntu/linux-aws | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-aws | <4.4.0-1156.171 | 4.4.0-1156.171 |
| ubuntu/linux-aws-5.0 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-aws-5.15 | <5.15.0-1027.31~20.04.1 | 5.15.0-1027.31~20.04.1 |
| ubuntu/linux-aws-5.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-aws-5.4 | <5.4.0-1093.102~18.04.2 | 5.4.0-1093.102~18.04.2 |
| ubuntu/linux-aws-5.4 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-aws-6.5 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-aws-fips | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-aws-hwe | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-aws-hwe | <4.15.0-1147.159~16.04.1 | 4.15.0-1147.159~16.04.1 |
| ubuntu/linux-azure | <5.4.0-1100.106 | 5.4.0-1100.106 |
| ubuntu/linux-azure | <5.15.0-1030.37 | 5.15.0-1030.37 |
| ubuntu/linux-azure | <5.19.0-1016.17 | 5.19.0-1016.17 |
| ubuntu/linux-azure | <4.15.0-1158.173~14.04.1 | 4.15.0-1158.173~14.04.1 |
| ubuntu/linux-azure | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-azure | <4.15.0-1159.174~16.04.1 | 4.15.0-1159.174~16.04.1 |
| ubuntu/linux-azure-4.15 | <4.15.0-1158.173 | 4.15.0-1158.173 |
| ubuntu/linux-azure-4.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-azure-5.15 | <5.15.0-1030.37~20.04.1 | 5.15.0-1030.37~20.04.1 |
| ubuntu/linux-azure-5.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-azure-5.4 | <5.4.0-1100.106~18.04.1 | 5.4.0-1100.106~18.04.1 |
| ubuntu/linux-azure-5.4 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-azure-6.5 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-azure-edge | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-azure-fde | <5.4.0-1100.106 | 5.4.0-1100.106 |
| ubuntu/linux-azure-fde | <5.15.0-1030.37.1 | 5.15.0-1030.37.1 |
| ubuntu/linux-azure-fde | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-azure-fde-5.15 | <5.15.0-1030.37~20.04.1.1 | 5.15.0-1030.37~20.04.1.1 |
| ubuntu/linux-azure-fde-5.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-azure-fips | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-bluefield | <5.4.0-1054.60 | 5.4.0-1054.60 |
| ubuntu/linux-bluefield | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-dell300x | <4.15.0-1058.63 | 4.15.0-1058.63 |
| ubuntu/linux-dell300x | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-fips | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-gcp | <5.4.0-1097.106 | 5.4.0-1097.106 |
| ubuntu/linux-gcp | <5.15.0-1026.33 | 5.15.0-1026.33 |
| ubuntu/linux-gcp | <5.19.0-1014.15 | 5.19.0-1014.15 |
| ubuntu/linux-gcp | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-gcp | <4.15.0-1142.158~16.04.1 | 4.15.0-1142.158~16.04.1 |
| ubuntu/linux-gcp-4.15 | <4.15.0-1142.158 | 4.15.0-1142.158 |
| ubuntu/linux-gcp-4.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-gcp-5.15 | <5.15.0-1026.33~20.04.1 | 5.15.0-1026.33~20.04.1 |
| ubuntu/linux-gcp-5.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-gcp-5.4 | <5.4.0-1097.106~18.04.1 | 5.4.0-1097.106~18.04.1 |
| ubuntu/linux-gcp-5.4 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-gcp-6.5 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-gcp-fips | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-gke | <5.4.0-1091.98 | 5.4.0-1091.98 |
| ubuntu/linux-gke | <5.15.0-1024.29 | 5.15.0-1024.29 |
| ubuntu/linux-gke | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-gke-4.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-gke-5.0 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| 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 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-gke-5.4 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-gkeop | <5.4.0-1061.65 | 5.4.0-1061.65 |
| ubuntu/linux-gkeop | <5.15.0-1012.16 | 5.15.0-1012.16 |
| ubuntu/linux-gkeop | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-gkeop-5.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-gkeop-5.4 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-hwe | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-hwe | <4.15.0-201.212~16.04.1 | 4.15.0-201.212~16.04.1 |
| ubuntu/linux-hwe-5.15 | <5.15.0-57.63~20.04.1 | 5.15.0-57.63~20.04.1 |
| ubuntu/linux-hwe-5.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-hwe-5.4 | <5.4.0-136.153~18.04.1 | 5.4.0-136.153~18.04.1 |
| ubuntu/linux-hwe-5.4 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-hwe-6.5 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-hwe-edge | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-ibm | <5.4.0-1041.46 | 5.4.0-1041.46 |
| ubuntu/linux-ibm | <5.15.0-1022.25 | 5.15.0-1022.25 |
| ubuntu/linux-ibm | <5.19.0-1014.15 | 5.19.0-1014.15 |
| ubuntu/linux-ibm | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-ibm-5.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-ibm-5.4 | <5.4.0-1041.46~18.04.1 | 5.4.0-1041.46~18.04.1 |
| ubuntu/linux-ibm-5.4 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-intel | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-intel-5.13 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-intel-iotg | <5.15.0-1023.28 | 5.15.0-1023.28 |
| ubuntu/linux-intel-iotg | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-intel-iotg-5.15 | <5.15.0-1023.28~20.04.1 | 5.15.0-1023.28~20.04.1 |
| ubuntu/linux-intel-iotg-5.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-iot | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-kvm | <4.15.0-1133.138 | 4.15.0-1133.138 |
| ubuntu/linux-kvm | <5.4.0-1083.89 | 5.4.0-1083.89 |
| ubuntu/linux-kvm | <5.15.0-1025.30 | 5.15.0-1025.30 |
| ubuntu/linux-kvm | <5.19.0-1015.16 | 5.19.0-1015.16 |
| ubuntu/linux-kvm | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-kvm | <4.4.0-1119.129 | 4.4.0-1119.129 |
| ubuntu/linux-laptop | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-lowlatency | <5.15.0-57.63 | 5.15.0-57.63 |
| ubuntu/linux-lowlatency | <5.19.0-1014.15 | 5.19.0-1014.15 |
| ubuntu/linux-lowlatency | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-lowlatency-hwe-5.15 | <5.15.0-58.64~20.04.1 | 5.15.0-58.64~20.04.1 |
| ubuntu/linux-lowlatency-hwe-5.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-lowlatency-hwe-5.19 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-lowlatency-hwe-6.5 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-lts-xenial | <4.4.0-240.274~14.04.1 | 4.4.0-240.274~14.04.1 |
| ubuntu/linux-lts-xenial | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-nvidia | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-nvidia-6.5 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oem | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oem-5.10 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oem-5.14 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oem-5.17 | <5.17.0-1031.32 | 5.17.0-1031.32 |
| ubuntu/linux-oem-5.17 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oem-5.6 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oem-6.0 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oem-6.1 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oem-6.5 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oem-6.8 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oem-osp1 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oracle | <4.15.0-1112.123 | 4.15.0-1112.123 |
| ubuntu/linux-oracle | <5.4.0-1091.100 | 5.4.0-1091.100 |
| ubuntu/linux-oracle | <5.15.0-1026.32 | 5.15.0-1026.32 |
| ubuntu/linux-oracle | <5.19.0-1014.16 | 5.19.0-1014.16 |
| ubuntu/linux-oracle | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oracle | <4.15.0-1112.123~16.04.1 | 4.15.0-1112.123~16.04.1 |
| ubuntu/linux-oracle-5.0 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oracle-5.13 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oracle-5.15 | <5.15.0-1027.33~20.04.1 | 5.15.0-1027.33~20.04.1 |
| ubuntu/linux-oracle-5.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oracle-5.4 | <5.4.0-1091.100~18.04.1 | 5.4.0-1091.100~18.04.1 |
| ubuntu/linux-oracle-5.4 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-oracle-6.5 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-raspi | <5.4.0-1078.89 | 5.4.0-1078.89 |
| ubuntu/linux-raspi | <5.15.0-1022.24 | 5.15.0-1022.24 |
| ubuntu/linux-raspi | <5.19.0-1011.18 | 5.19.0-1011.18 |
| ubuntu/linux-raspi | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-raspi-5.4 | <5.4.0-1078.89~18.04.1 | 5.4.0-1078.89~18.04.1 |
| ubuntu/linux-raspi-5.4 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-raspi2 | <4.15.0-1125.133 | 4.15.0-1125.133 |
| ubuntu/linux-raspi2 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-riscv | <5.19.0-1011.12 | 5.19.0-1011.12 |
| ubuntu/linux-riscv | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-riscv-5.15 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-riscv-6.5 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-snapdragon | <4.15.0-1143.153 | 4.15.0-1143.153 |
| ubuntu/linux-snapdragon | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-starfive | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-starfive-6.5 | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| ubuntu/linux-xilinx-zynqmp | <6.0~<5.4.213<5.15.66 | 6.0~ 5.4.213 5.15.66 |
| 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c53b3dcb9942b8ed7f81ee3921c4085d87070c73
- https://security.netapp.com/advisory/ntap-20230420-0005/
- https://launchpad.net/bugs/cve/CVE-2022-4095
- https://git.kernel.org/linus/e230a4455ac3e9b112f0367d1b8e255e141afae0 (6.0-rc4)
- https://ubuntu.com/security/notices/USN-5790-1
- https://ubuntu.com/security/notices/USN-5791-1
- https://ubuntu.com/security/notices/USN-5792-1
- https://ubuntu.com/security/notices/USN-5793-1
- https://ubuntu.com/security/notices/USN-5791-2
- https://ubuntu.com/security/notices/USN-5792-2
- https://ubuntu.com/security/notices/USN-5793-2
- https://ubuntu.com/security/notices/USN-5791-3
- https://ubuntu.com/security/notices/USN-5793-3
- https://ubuntu.com/security/notices/USN-5793-4
- https://ubuntu.com/security/notices/USN-5815-1
- https://ubuntu.com/security/notices/USN-5877-1
- https://ubuntu.com/security/notices/USN-6045-1
- https://ubuntu.com/security/notices/USN-6071-1
- https://www.cve.org/CVERecord?id=CVE-2022-4095
- https://nvd.nist.gov/vuln/detail/CVE-2022-4095
- https://security-tracker.debian.org/tracker/CVE-2022-4095
- https://git.kernel.org/linus/2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef
- https://git.kernel.org/linus/e230a4455ac3e9b112f0367d1b8e255e141afae0
- https://ubuntu.com/security/CVE-2022-4095
Parent vulnerabilities
(Appears in the following advisories)
- collector/nvd-index
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/last-modified-date
- agent/first-publish-date
- agent/author
- agent/severity
- agent/remedy
- agent/description
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/weakness
- agent/references
- collector/usn-cve
- source/Ubuntu
- agent/tags
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/2.6.37
- version/linux linux kernel/4.10
- version/linux linux kernel/4.15
- version/linux linux kernel/4.20
- version/linux linux kernel/5.5
- version/linux linux kernel/5.11
- version/linux linux kernel/5.16
- version/linux linux kernel/6.0-rc1
- version/linux linux kernel/6.0-rc2
- version/linux linux kernel/6.0-rc3
- package-manager/ubuntu
- package-manager/debian