First published: Fri Apr 15 2022(Updated: )
Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.
Credit: cve-coordination@google.com cve-coordination@google.com
Affected Software | Affected Version | How to fix |
---|---|---|
redhat/kernel-rt | <0:4.18.0-425.3.1.rt7.213.el8 | 0:4.18.0-425.3.1.rt7.213.el8 |
redhat/kernel | <0:4.18.0-425.3.1.el8 | 0:4.18.0-425.3.1.el8 |
redhat/kernel | <0:5.14.0-162.6.1.el9_1 | 0:5.14.0-162.6.1.el9_1 |
redhat/kernel-rt | <0:5.14.0-162.6.1.rt21.168.el9_1 | 0:5.14.0-162.6.1.rt21.168.el9_1 |
redhat/kernel | <5.18 | 5.18 |
Linux Linux kernel | >=4.14<4.14.278 | |
Linux Linux kernel | >=4.15<4.19.241 | |
Linux Linux kernel | >=4.20<5.4.191 | |
Linux Linux kernel | >=5.5<5.10.113 | |
Linux Linux kernel | >=5.11<5.15.36 | |
Linux Linux kernel | >=5.16<5.17.5 | |
Debian Debian Linux | =10.0 | |
Canonical Ubuntu Linux | =14.04 | |
Canonical Ubuntu Linux | =16.04 | |
Canonical Ubuntu Linux | =18.04 | |
Canonical Ubuntu Linux | =20.04 | |
Canonical Ubuntu Linux | =22.04 | |
All of | ||
Netapp H300s Firmware | ||
Netapp H300s | ||
All of | ||
Netapp H500s Firmware | ||
Netapp H500s | ||
All of | ||
Netapp H700s Firmware | ||
Netapp H700s | ||
All of | ||
Netapp H300e Firmware | ||
Netapp H300e | ||
All of | ||
Netapp H500e Firmware | ||
Netapp H500e | ||
All of | ||
Netapp H700e Firmware | ||
Netapp H700e | ||
All of | ||
Netapp H410s Firmware | ||
Netapp H410s | ||
All of | ||
Netapp H410c Firmware | ||
Netapp H410c | ||
Netapp H300s Firmware | ||
Netapp H300s | ||
Netapp H500s Firmware | ||
Netapp H500s | ||
Netapp H700s Firmware | ||
Netapp H700s | ||
Netapp H300e Firmware | ||
Netapp H300e | ||
Netapp H500e Firmware | ||
Netapp H500e | ||
Netapp H700e Firmware | ||
Netapp H700e | ||
Netapp H410s Firmware | ||
Netapp H410s | ||
Netapp H410c Firmware | ||
Netapp H410c | ||
ubuntu/linux | <4.15.0-180.189 | 4.15.0-180.189 |
ubuntu/linux | <5.4.0-113.127 | 5.4.0-113.127 |
ubuntu/linux | <5.13.0-44.49 | 5.13.0-44.49 |
ubuntu/linux | <5.15.0-33.34 | 5.15.0-33.34 |
ubuntu/linux | <5.19.0-10.10 | 5.19.0-10.10 |
ubuntu/linux | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-aws | <4.15.0-1130.139 | 4.15.0-1130.139 |
ubuntu/linux-aws | <5.4.0-1075.80 | 5.4.0-1075.80 |
ubuntu/linux-aws | <5.13.0-1025.27 | 5.13.0-1025.27 |
ubuntu/linux-aws | <5.15.0-1008.10 | 5.15.0-1008.10 |
ubuntu/linux-aws | <5.19.0-1001.1 | 5.19.0-1001.1 |
ubuntu/linux-aws | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-aws-5.0 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-aws-5.11 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-aws-5.13 | <5.13.0-1025.27~20.04.1 | 5.13.0-1025.27~20.04.1 |
ubuntu/linux-aws-5.13 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-aws-5.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-aws-5.3 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-aws-5.4 | <5.4.0-1075.80~18.04.1 | 5.4.0-1075.80~18.04.1 |
ubuntu/linux-aws-5.4 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-aws-5.8 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-aws-6.5 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-aws-fips | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-aws-hwe | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-aws-hwe | <4.15.0-1130.139~16.04.1 | 4.15.0-1130.139~16.04.1 |
ubuntu/linux-azure | <5.4.0-1080.83 | 5.4.0-1080.83 |
ubuntu/linux-azure | <5.13.0-1025.29 | 5.13.0-1025.29 |
ubuntu/linux-azure | <5.15.0-1007.8 | 5.15.0-1007.8 |
ubuntu/linux-azure | <5.19.0-1001.1 | 5.19.0-1001.1 |
ubuntu/linux-azure | <4.15.0-1139.152~14.04.1 | 4.15.0-1139.152~14.04.1 |
ubuntu/linux-azure | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-azure | <4.15.0-1139.152~16.04.1 | 4.15.0-1139.152~16.04.1 |
ubuntu/linux-azure-4.15 | <4.15.0-1139.152 | 4.15.0-1139.152 |
ubuntu/linux-azure-4.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-azure-5.11 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-azure-5.13 | <5.13.0-1025.29~20.04.1 | 5.13.0-1025.29~20.04.1 |
ubuntu/linux-azure-5.13 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-azure-5.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-azure-5.3 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-azure-5.4 | <5.4.0-1080.83~18.04.2 | 5.4.0-1080.83~18.04.2 |
ubuntu/linux-azure-5.4 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-azure-6.5 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-azure-edge | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-azure-fde | <5.4.0-1080.83 | 5.4.0-1080.83 |
ubuntu/linux-azure-fde | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-azure-fde-5.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-azure-fips | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-bluefield | <5.4.0-1036.39 | 5.4.0-1036.39 |
ubuntu/linux-bluefield | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-dell300x | <4.15.0-1047.52 | 4.15.0-1047.52 |
ubuntu/linux-dell300x | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-fips | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gcp | <5.4.0-1075.80 | 5.4.0-1075.80 |
ubuntu/linux-gcp | <5.13.0-1027.32 | 5.13.0-1027.32 |
ubuntu/linux-gcp | <5.15.0-1005.8 | 5.15.0-1005.8 |
ubuntu/linux-gcp | <5.19.0-1001.1 | 5.19.0-1001.1 |
ubuntu/linux-gcp | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gcp | <4.15.0-1124.138~16.04.1 | 4.15.0-1124.138~16.04.1 |
ubuntu/linux-gcp-4.15 | <4.15.0-1124.138 | 4.15.0-1124.138 |
ubuntu/linux-gcp-4.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gcp-5.11 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gcp-5.13 | <5.13.0-1027.32~20.04.1 | 5.13.0-1027.32~20.04.1 |
ubuntu/linux-gcp-5.13 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gcp-5.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gcp-5.3 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gcp-5.4 | <5.4.0-1075.80~18.04.1 | 5.4.0-1075.80~18.04.1 |
ubuntu/linux-gcp-5.8 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gcp-6.5 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gcp-fips | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gke | <5.4.0-1072.77 | 5.4.0-1072.77 |
ubuntu/linux-gke | <5.15.0-1005.6 | 5.15.0-1005.6 |
ubuntu/linux-gke | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gke-4.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gke-5.0 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gke-5.3 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gke-5.4 | <5.4.0-1072.77~18.04.1 | 5.4.0-1072.77~18.04.1 |
ubuntu/linux-gke-5.4 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gkeop | <5.4.0-1043.44 | 5.4.0-1043.44 |
ubuntu/linux-gkeop | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gkeop-5.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-gkeop-5.4 | <5.4.0-1043.44~18.04.1 | 5.4.0-1043.44~18.04.1 |
ubuntu/linux-gkeop-5.4 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-hwe | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-hwe | <4.15.0-180.189~16.04.1 | 4.15.0-180.189~16.04.1 |
ubuntu/linux-hwe-5.11 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-hwe-5.13 | <5.13.0-44.49~20.04.1 | 5.13.0-44.49~20.04.1 |
ubuntu/linux-hwe-5.13 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-hwe-5.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-hwe-5.4 | <5.4.0-113.127~18.04.1 | 5.4.0-113.127~18.04.1 |
ubuntu/linux-hwe-5.4 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-hwe-5.8 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-hwe-6.5 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-hwe-edge | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-ibm | <5.4.0-1023.25 | 5.4.0-1023.25 |
ubuntu/linux-ibm | <5.15.0-1004.4 | 5.15.0-1004.4 |
ubuntu/linux-ibm | <5.19.0-1001.1 | 5.19.0-1001.1 |
ubuntu/linux-ibm | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-ibm-5.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-ibm-5.4 | <5.4.0-1023.25~18.04.1 | 5.4.0-1023.25~18.04.1 |
ubuntu/linux-ibm-5.4 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-intel | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-intel-5.13 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-intel-iotg | <5.15.0-1008.11 | 5.15.0-1008.11 |
ubuntu/linux-intel-iotg | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-intel-iotg-5.15 | <5.15.0-1008.11~20.04.1 | 5.15.0-1008.11~20.04.1 |
ubuntu/linux-intel-iotg-5.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-iot | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-kvm | <4.15.0-1116.119 | 4.15.0-1116.119 |
ubuntu/linux-kvm | <5.4.0-1065.68 | 5.4.0-1065.68 |
ubuntu/linux-kvm | <5.13.0-1024.25 | 5.13.0-1024.25 |
ubuntu/linux-kvm | <5.15.0-1007.7 | 5.15.0-1007.7 |
ubuntu/linux-kvm | <5.19.0-1001.1 | 5.19.0-1001.1 |
ubuntu/linux-kvm | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-laptop | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-lowlatency | <5.15.0-33.34 | 5.15.0-33.34 |
ubuntu/linux-lowlatency | <5.19.0-1001.1 | 5.19.0-1001.1 |
ubuntu/linux-lowlatency | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-lowlatency-hwe-5.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-lowlatency-hwe-6.5 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-lts-xenial | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-nvidia | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-nvidia-6.5 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oem | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oem-5.10 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oem-5.13 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oem-5.14 | <5.14.0-1038.42 | 5.14.0-1038.42 |
ubuntu/linux-oem-5.17 | <5.17.0-1006.6 | 5.17.0-1006.6 |
ubuntu/linux-oem-5.17 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oem-5.6 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oem-6.5 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oem-6.8 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oem-osp1 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oracle | <4.15.0-1095.104 | 4.15.0-1095.104 |
ubuntu/linux-oracle | <5.4.0-1073.79 | 5.4.0-1073.79 |
ubuntu/linux-oracle | <5.13.0-1030.35 | 5.13.0-1030.35 |
ubuntu/linux-oracle | <5.15.0-1006.8 | 5.15.0-1006.8 |
ubuntu/linux-oracle | <5.19.0-1001.1 | 5.19.0-1001.1 |
ubuntu/linux-oracle | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oracle | <4.15.0-1095.104~16.04.1 | 4.15.0-1095.104~16.04.1 |
ubuntu/linux-oracle-5.0 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oracle-5.11 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oracle-5.13 | <5.13.0-1030.35~20.04.1 | 5.13.0-1030.35~20.04.1 |
ubuntu/linux-oracle-5.13 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oracle-5.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oracle-5.3 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-oracle-5.4 | <5.4.0-1073.79~18.04.1 | 5.4.0-1073.79~18.04.1 |
ubuntu/linux-oracle-6.5 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-raspi | <5.4.0-1062.70 | 5.4.0-1062.70 |
ubuntu/linux-raspi | <5.13.0-1028.30 | 5.13.0-1028.30 |
ubuntu/linux-raspi | <5.15.0-1008.8 | 5.15.0-1008.8 |
ubuntu/linux-raspi | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-raspi-5.4 | <5.4.0-1062.70~18.04.1 | 5.4.0-1062.70~18.04.1 |
ubuntu/linux-raspi-5.4 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-raspi2 | <4.15.0-1111.118 | 4.15.0-1111.118 |
ubuntu/linux-raspi2 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-raspi2-5.3 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-riscv | <5.15.0-1011.12 | 5.15.0-1011.12 |
ubuntu/linux-riscv | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-riscv-5.11 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-riscv-5.15 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-riscv-5.8 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-riscv-6.5 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-snapdragon | <4.15.0-1129.138 | 4.15.0-1129.138 |
ubuntu/linux-snapdragon | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-starfive | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-starfive-6.5 | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
ubuntu/linux-xilinx-zynqmp | <5.18~<5.4.191<5.15.36 | 5.18~ 5.4.191 5.15.36 |
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 |
To mitigate this issue, prevent the module cls_u32 from being loaded by blacklisting the module to prevent it from loading automatically. ~~~ https://access.redhat.com/solutions/41278 ~~~
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