Improper locking in Linux kernel - CVE-2020-29661
Published: March 17, 2021 / Updated: August 9, 2024
Vulnerability details
The vulnerability allows a local user to perform a escalate privileges on the system.
The vulnerability exists due to locking error in the tty subsystem of the Linux kernel in drivers/tty/tty_jobctrl.c. An local user can exploit this vulnerability to trigger a use-after-free error against TIOCSPGRP and execute arbitrary code with elevated privileges.
Affected software
Amazon Linux AMI
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)
Red Hat Enterprise Linux Server - Extended Life Cycle Support
Red Hat Enterprise Linux for Power, little endian
Anolis OS
Red Hat Enterprise Linux for IBM System z (Structure A)
Red Hat Enterprise Linux for Power 9
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Virtualization Host - Extended Update Support 4.2 for RHEL
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Google Android
Ubuntu
openEuler
Fedora
kpatch-patch-3_10_0-1062_21_1 (Red Hat package)
kpatch-patch-3_10_0-957_46_1 (Red Hat package)
kpatch-patch-3_10_0-957_48_1 (Red Hat package)
kernel (Red Hat package)
kernel-rt (Red Hat package)
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
kpatch-patch-3_10_0-957_61_2 (Red Hat package)
kpatch-patch-3_10_0-1062_45_1 (Red Hat package)
kpatch-patch-3_10_0-1062_43_1 (Red Hat package)
kpatch-patch-3_10_0-1062_40_1 (Red Hat package)
kpatch-patch-3_10_0-1062_37_1 (Red Hat package)
kpatch-patch-3_10_0-1062_36_1 (Red Hat package)
kpatch-patch-3_10_0-1062_33_1 (Red Hat package)
kpatch-patch-3_10_0-1062_31_3 (Red Hat package)
kpatch-patch-3_10_0-1062_31_2 (Red Hat package)
kpatch-patch-3_10_0-1062_30_1 (Red Hat package)
kpatch-patch-3_10_0-1062_26_1 (Red Hat package)
kpatch-patch-3_10_0-957_66_1 (Red Hat package)
kpatch-patch-3_10_0-957_65_1 (Red Hat package)
kpatch-patch-3_10_0-957_62_1 (Red Hat package)
kpatch-patch-3_10_0-957_61_1 (Red Hat package)
kpatch-patch-3_10_0-957_58_2 (Red Hat package)
kpatch-patch-3_10_0-957_56_1 (Red Hat package)
kpatch-patch-3_10_0-957_54_1 (Red Hat package)
kpatch-patch-3_10_0-1160_15_2 (Red Hat package)
kpatch-patch-3_10_0-1160_11_1 (Red Hat package)
kpatch-patch-3_10_0-1160_6_1 (Red Hat package)
kpatch-patch-3_10_0-1160_2_2 (Red Hat package)
kpatch-patch-3_10_0-1160_2_1 (Red Hat package)
kpatch-patch-3_10_0-1160 (Red Hat package)
linux-image-virtual (Ubuntu package)
linux-image-server (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-3.13.0-188-lowlatency (Ubuntu package)
linux-image-3.13.0-188-generic (Ubuntu package)
linux-image-powerpc-smp-lts-xenial (Ubuntu package)
linux-image-generic-lpae-lts-xenial (Ubuntu package)
linux-image-generic-lts-xenial (Ubuntu package)
linux-image-lowlatency-lts-xenial (Ubuntu package)
linux-image-powerpc-e500mc-lts-xenial (Ubuntu package)
linux-image-powerpc64-emb-lts-xenial (Ubuntu package)
linux-image-powerpc64-smp-lts-xenial (Ubuntu package)
linux-image-virtual-lts-xenial (Ubuntu package)
linux-image-powerpc64-smp (Ubuntu package)
linux-image-powerpc64-emb (Ubuntu package)
linux-image-powerpc-smp (Ubuntu package)
linux-image-powerpc-e500mc (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-4.4.0-203-generic (Ubuntu package)
linux-image-4.4.0-203-powerpc64-smp (Ubuntu package)
linux-image-4.4.0-203-generic-lpae (Ubuntu package)
linux-image-4.4.0-203-powerpc64-emb (Ubuntu package)
linux-image-4.4.0-203-powerpc-smp (Ubuntu package)
linux-image-4.4.0-203-lowlatency (Ubuntu package)
linux-image-4.4.0-203-powerpc-e500mc (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-4.4.0-1086-aws (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-4.4.0-1088-kvm (Ubuntu package)
linux-image-4.4.0-1122-aws (Ubuntu package)
linux-image-raspi2 (Ubuntu package)
linux-image-4.4.0-1146-raspi2 (Ubuntu package)
linux-image-snapdragon (Ubuntu package)
linux-image-4.4.0-1150-snapdragon (Ubuntu package)
kernel-alt (Red Hat package)
kernel
linux-image-generic-hwe-16.04 (Ubuntu package)
linux-image-oem (Ubuntu package)
linux-image-virtual-hwe-16.04 (Ubuntu package)
linux-image-lowlatency-hwe-16.04 (Ubuntu package)
linux-image-generic-lpae-hwe-16.04 (Ubuntu package)
linux-image-4.15.0-136-generic-lpae (Ubuntu package)
linux-image-4.15.0-136-lowlatency (Ubuntu package)
linux-image-4.15.0-136-generic (Ubuntu package)
linux-image-dell300x (Ubuntu package)
linux-image-4.15.0-1012-dell300x (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-4.15.0-1065-oracle (Ubuntu package)
linux-image-oracle-lts-18.04 (Ubuntu package)
linux-image-gke-4.15 (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-4.15.0-1079-gke (Ubuntu package)
linux-image-4.15.0-1079-raspi2 (Ubuntu package)
linux-image-4.15.0-1085-kvm (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-4.15.0-1093-gcp (Ubuntu package)
linux-image-gcp-lts-18.04 (Ubuntu package)
linux-image-aws-hwe (Ubuntu package)
linux-image-aws-lts-18.04 (Ubuntu package)
linux-image-4.15.0-1094-aws (Ubuntu package)
linux-image-4.15.0-1096-snapdragon (Ubuntu package)
linux-image-azure-lts-18.04 (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-4.15.0-1108-azure (Ubuntu package)
bpftool
kernel-tools-devel
python3-perf-debuginfo
python3-perf
python2-perf-debuginfo
kernel-devel
kernel-debugsource
kernel-debuginfo
python2-perf
perf-debuginfo
bpftool-debuginfo
perf
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-debug
kernel-tools-libs-devel
python-perf
kernel-debug-devel
kernel-headers
kernel-tools-libs
linux-image-oem-osp1 (Ubuntu package)
linux-image-5.4.0-66-lowlatency (Ubuntu package)
linux-image-5.4.0-66-generic (Ubuntu package)
linux-image-5.4.0-66-generic-lpae (Ubuntu package)
linux-image-generic-hwe-18.04 (Ubuntu package)
linux-image-generic-lpae-hwe-18.04 (Ubuntu package)
linux-image-lowlatency-hwe-18.04 (Ubuntu package)
linux-image-snapdragon-hwe-18.04 (Ubuntu package)
linux-image-virtual-hwe-18.04 (Ubuntu package)
linux-image-5.4.0-1010-gkeop (Ubuntu package)
linux-image-gkeop-5.4 (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-raspi-hwe-18.04 (Ubuntu package)
linux-image-5.4.0-1029-raspi (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-5.4.0-1033-kvm (Ubuntu package)
linux-image-5.4.0-1036-gke (Ubuntu package)
linux-image-gke-5.4 (Ubuntu package)
linux-image-5.4.0-1037-gcp (Ubuntu package)
linux-image-5.4.0-1038-aws (Ubuntu package)
linux-image-5.4.0-1038-oracle (Ubuntu package)
linux-image-5.4.0-1040-azure (Ubuntu package)
linux-image-oem-20.04 (Ubuntu package)
linux-image-5.6.0-1048-oem (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-5.8.0-44-generic-64k (Ubuntu package)
linux-image-5.8.0-44-generic (Ubuntu package)
linux-image-5.8.0-44-generic-lpae (Ubuntu package)
linux-image-5.8.0-44-lowlatency (Ubuntu package)
linux-image-generic-64k-hwe-20.04 (Ubuntu package)
linux-image-lowlatency-hwe-20.04 (Ubuntu package)
linux-image-generic-lpae-hwe-20.04 (Ubuntu package)
linux-image-generic-hwe-20.04 (Ubuntu package)
linux-image-virtual-hwe-20.04 (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-5.8.0-1016-raspi (Ubuntu package)
linux-image-5.8.0-1016-raspi-nolpae (Ubuntu package)
linux-image-5.8.0-1019-kvm (Ubuntu package)
linux-image-5.8.0-1021-oracle (Ubuntu package)
linux-image-5.8.0-1023-gcp (Ubuntu package)
linux-image-5.8.0-1023-azure (Ubuntu package)
linux-image-5.8.0-1024-aws (Ubuntu package)
Red Hat Advanced Cluster Management for Kubernetes
Session Smart Router
Data Computing Appliance (DCA)
IBM Netezza Host Management
Dell EMC VxRail Appliance
Juniper Junos Space
How to mitigate CVE-2020-29661
kpatch-patch-3_10_0-1062_21_1 (Red Hat package) - update to 1-3.el7
kpatch-patch-3_10_0-957_46_1 (Red Hat package) - update to 1-4.el7
kpatch-patch-3_10_0-957_48_1 (Red Hat package) - update to 1-4.el7
kernel (Red Hat package) - addressed in versions 2.6.32-754.39.1.el6, 3.10.0-693.87.1.el7, 3.10.0-957.70.1.el7, 3.10.0-1062.46.1.el7, 3.10.0-1160.21.1.el7, 4.18.0-240.15.1.el8_3
kernel-rt (Red Hat package) - addressed in versions 3.10.0-1160.21.1.rt56.1158.el7, 4.18.0-240.15.1.rt7.69.el8_3
Google Android - addressed in versions 8.1 2021-05-05, 9.0 2021-05-05, 10 2021-05-05, 11 2021-05-05
kpatch-patch-3_10_0-957_61_2 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-1062_45_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-1062_43_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-1062_40_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-1062_37_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-1062_36_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-1062_33_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-1062_31_3 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-1062_31_2 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-1062_30_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-1062_26_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-957_66_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-957_65_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-957_62_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-957_61_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-957_58_2 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-957_56_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-957_54_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-3_10_0-1160_15_2 (Red Hat package) - update to 1-2.el7
kpatch-patch-3_10_0-1160_11_1 (Red Hat package) - update to 1-2.el7
kpatch-patch-3_10_0-1160_6_1 (Red Hat package) - update to 1-3.el7
kpatch-patch-3_10_0-1160_2_2 (Red Hat package) - update to 1-3.el7
kpatch-patch-3_10_0-1160_2_1 (Red Hat package) - update to 1-3.el7
kpatch-patch-3_10_0-1160 (Red Hat package) - update to 1-3.el7
Red Hat Advanced Cluster Management for Kubernetes - update to 2.0.8
linux-image-virtual (Ubuntu package) - addressed in versions 3.13.0188.239, 4.4.0.203.209, 4.15.0.136.123, 5.4.0.66.69, 5.8.0.44.49
linux-image-server (Ubuntu package) - update to 3.13.0188.239
linux-image-lowlatency (Ubuntu package) - addressed in versions 3.13.0188.239, 4.4.0.203.209, 4.15.0.136.123, 5.4.0.66.69, 5.8.0.44.49
linux-image-generic (Ubuntu package) - addressed in versions 3.13.0188.239, 4.4.0.203.209, 4.15.0.136.123, 5.4.0.66.69, 5.8.0.44.49
linux-image-3.13.0-188-lowlatency (Ubuntu package) - update to 3.13.0188.239
linux-image-3.13.0-188-generic (Ubuntu package) - update to 3.13.0188.239
Data Computing Appliance (DCA) - update to 4.3.0.0
linux-image-powerpc-smp-lts-xenial (Ubuntu package) - update to 4.4.0.203.177
linux-image-generic-lpae-lts-xenial (Ubuntu package) - update to 4.4.0.203.177
linux-image-generic-lts-xenial (Ubuntu package) - update to 4.4.0.203.177
linux-image-lowlatency-lts-xenial (Ubuntu package) - update to 4.4.0.203.177
linux-image-powerpc-e500mc-lts-xenial (Ubuntu package) - update to 4.4.0.203.177
linux-image-powerpc64-emb-lts-xenial (Ubuntu package) - update to 4.4.0.203.177
linux-image-powerpc64-smp-lts-xenial (Ubuntu package) - update to 4.4.0.203.177
linux-image-virtual-lts-xenial (Ubuntu package) - update to 4.4.0.203.177
linux-image-powerpc64-smp (Ubuntu package) - update to 4.4.0.203.209
linux-image-powerpc64-emb (Ubuntu package) - update to 4.4.0.203.209
linux-image-powerpc-smp (Ubuntu package) - update to 4.4.0.203.209
linux-image-powerpc-e500mc (Ubuntu package) - update to 4.4.0.203.209
linux-image-generic-lpae (Ubuntu package) - addressed in versions 4.4.0.203.209, 4.15.0.136.123, 5.4.0.66.69, 5.8.0.44.49
linux-image-4.4.0-203-generic (Ubuntu package) - addressed in versions 4.4.0-203.235, 4.4.0-203.235~14.04.1
linux-image-4.4.0-203-powerpc64-smp (Ubuntu package) - addressed in versions 4.4.0-203.235, 4.4.0-203.235~14.04.1
linux-image-4.4.0-203-generic-lpae (Ubuntu package) - addressed in versions 4.4.0-203.235, 4.4.0-203.235~14.04.1
linux-image-4.4.0-203-powerpc64-emb (Ubuntu package) - addressed in versions 4.4.0-203.235, 4.4.0-203.235~14.04.1
linux-image-4.4.0-203-powerpc-smp (Ubuntu package) - addressed in versions 4.4.0-203.235, 4.4.0-203.235~14.04.1
linux-image-4.4.0-203-lowlatency (Ubuntu package) - addressed in versions 4.4.0-203.235, 4.4.0-203.235~14.04.1
linux-image-4.4.0-203-powerpc-e500mc (Ubuntu package) - addressed in versions 4.4.0-203.235, 4.4.0-203.235~14.04.1
linux-image-aws (Ubuntu package) - addressed in versions 4.4.0.1086.83, 4.4.0.1122.127, 5.4.0.1038.22, 5.4.0.1038.39, 5.8.0.1024.26
linux-image-4.4.0-1086-aws (Ubuntu package) - update to 4.4.0-1086.90
linux-image-kvm (Ubuntu package) - addressed in versions 4.4.0.1088.86, 4.15.0.1085.81, 5.4.0.1033.31, 5.8.0.1019.21
linux-image-4.4.0-1088-kvm (Ubuntu package) - update to 4.4.0-1088.97
linux-image-4.4.0-1122-aws (Ubuntu package) - update to 4.4.0-1122.136
linux-image-raspi2 (Ubuntu package) - addressed in versions 4.4.0.1146.146, 4.15.0.1079.76, 5.4.0.1029.64
linux-image-4.4.0-1146-raspi2 (Ubuntu package) - update to 4.4.0-1146.156
linux-image-snapdragon (Ubuntu package) - addressed in versions 4.4.0.1150.142, 4.15.0.1096.99
linux-image-4.4.0-1150-snapdragon (Ubuntu package) - update to 4.4.0-1150.160
kernel-alt (Red Hat package) - update to 4.14.0-115.35.1.el7a
kernel - update to 4.14.214-118.339
linux-image-generic-hwe-16.04 (Ubuntu package) - update to 4.15.0.136.132
linux-image-oem (Ubuntu package) - addressed in versions 4.15.0.136.132, 5.4.0.66.69, 5.4.0.66.74~18.04.61
linux-image-virtual-hwe-16.04 (Ubuntu package) - update to 4.15.0.136.132
linux-image-lowlatency-hwe-16.04 (Ubuntu package) - update to 4.15.0.136.132
linux-image-generic-lpae-hwe-16.04 (Ubuntu package) - update to 4.15.0.136.132
linux-image-4.15.0-136-generic-lpae (Ubuntu package) - update to 4.15.0-136.140~16.04.1
linux-image-4.15.0-136-lowlatency (Ubuntu package) - update to 4.15.0-136.140~16.04.1
linux-image-4.15.0-136-generic (Ubuntu package) - update to 4.15.0-136.140~16.04.1
linux-image-dell300x (Ubuntu package) - update to 4.15.0.1012.14
linux-image-4.15.0-1012-dell300x (Ubuntu package) - update to 4.15.0-1012.16
linux-image-oracle (Ubuntu package) - addressed in versions 4.15.0.1065.53, 5.4.0.1038.35, 5.4.0.1038.41~18.04.21, 5.8.0.1021.20
linux-image-4.15.0-1065-oracle (Ubuntu package) - update to 4.15.0-1065.73~16.04.1
linux-image-oracle-lts-18.04 (Ubuntu package) - update to 4.15.0.1065.75
linux-image-gke-4.15 (Ubuntu package) - update to 4.15.0.1079.83
linux-image-gke (Ubuntu package) - addressed in versions 4.15.0.1079.83, 4.15.0.1093.94, 5.8.0.1023.23
linux-image-4.15.0-1079-gke (Ubuntu package) - update to 4.15.0-1079.84
linux-image-4.15.0-1079-raspi2 (Ubuntu package) - update to 4.15.0-1079.84
linux-image-4.15.0-1085-kvm (Ubuntu package) - update to 4.15.0-1085.87
linux-image-gcp (Ubuntu package) - addressed in versions 4.15.0.1093.94, 5.4.0.1037.24, 5.4.0.1037.46, 5.8.0.1023.23
linux-image-4.15.0-1093-gcp (Ubuntu package) - update to 4.15.0-1093.106~16.04.1
linux-image-gcp-lts-18.04 (Ubuntu package) - update to 4.15.0.1093.111
linux-image-aws-hwe (Ubuntu package) - update to 4.15.0.1094.87
linux-image-aws-lts-18.04 (Ubuntu package) - update to 4.15.0.1094.97
linux-image-4.15.0-1094-aws (Ubuntu package) - update to 4.15.0-1094.101~16.04.1
linux-image-4.15.0-1096-snapdragon (Ubuntu package) - update to 4.15.0-1096.105
linux-image-azure-lts-18.04 (Ubuntu package) - update to 4.15.0.1108.81
linux-image-azure (Ubuntu package) - addressed in versions 4.15.0.1108.81, 4.15.0.1108.99, 5.4.0.1040.20, 5.4.0.1040.38, 5.8.0.1023.23
linux-image-4.15.0-1108-azure (Ubuntu package) - addressed in versions 4.15.0-1108.120~14.04.1, 4.15.0-1108.120~16.04.1
kernel - update to 4.19.90-2101.1.0.0055
bpftool - update to 4.19.90-2101.1.0.0055
kernel-tools-devel - update to 4.19.90-2101.1.0.0055
python3-perf-debuginfo - update to 4.19.90-2101.1.0.0055
python3-perf - update to 4.19.90-2101.1.0.0055
python2-perf-debuginfo - update to 4.19.90-2101.1.0.0055
kernel-devel - update to 4.19.90-2101.1.0.0055
kernel-debugsource - update to 4.19.90-2101.1.0.0055
kernel-debuginfo - update to 4.19.90-2101.1.0.0055
python2-perf - update to 4.19.90-2101.1.0.0055
perf-debuginfo - update to 4.19.90-2101.1.0.0055
bpftool-debuginfo - update to 4.19.90-2101.1.0.0055
perf - update to 4.19.90-2101.1.0.0055
kernel-source - update to 4.19.90-2101.1.0.0055
kernel-tools - update to 4.19.90-2101.1.0.0055
kernel-tools-debuginfo - update to 4.19.90-2101.1.0.0055
bpftool - update to 4.19.91-26
kernel - update to 4.19.91-26
kernel-debug - update to 4.19.91-26
perf - update to 4.19.91-26
kernel-tools-libs-devel - update to 4.19.91-26
python-perf - update to 4.19.91-26
kernel-debug-devel - update to 4.19.91-26
kernel-devel - update to 4.19.91-26
kernel-headers - update to 4.19.91-26
kernel-tools - update to 4.19.91-26
kernel-tools-libs - update to 4.19.91-26
linux-image-oem-osp1 (Ubuntu package) - addressed in versions 5.4.0.66.69, 5.4.0.66.74~18.04.61
linux-image-5.4.0-66-lowlatency (Ubuntu package) - addressed in versions 5.4.0-66.74, 5.4.0-66.74~18.04.2
linux-image-5.4.0-66-generic (Ubuntu package) - addressed in versions 5.4.0-66.74, 5.4.0-66.74~18.04.2
linux-image-5.4.0-66-generic-lpae (Ubuntu package) - addressed in versions 5.4.0-66.74, 5.4.0-66.74~18.04.2
linux-image-generic-hwe-18.04 (Ubuntu package) - update to 5.4.0.66.74~18.04.61
linux-image-generic-lpae-hwe-18.04 (Ubuntu package) - update to 5.4.0.66.74~18.04.61
linux-image-lowlatency-hwe-18.04 (Ubuntu package) - update to 5.4.0.66.74~18.04.61
linux-image-snapdragon-hwe-18.04 (Ubuntu package) - update to 5.4.0.66.74~18.04.61
linux-image-virtual-hwe-18.04 (Ubuntu package) - update to 5.4.0.66.74~18.04.61
linux-image-5.4.0-1010-gkeop (Ubuntu package) - addressed in versions 5.4.0-1010.11, 5.4.0-1010.11~18.04.1
linux-image-gkeop-5.4 (Ubuntu package) - addressed in versions 5.4.0.1010.11~18.04.11, 5.4.0.1010.13
linux-image-gkeop (Ubuntu package) - update to 5.4.0.1010.13
linux-image-raspi-hwe-18.04 (Ubuntu package) - update to 5.4.0.1029.32
linux-image-5.4.0-1029-raspi (Ubuntu package) - addressed in versions 5.4.0-1029.32, 5.4.0-1029.32~18.04.1
linux-image-raspi (Ubuntu package) - addressed in versions 5.4.0.1029.64, 5.8.0.1016.19
linux-image-5.4.0-1033-kvm (Ubuntu package) - update to 5.4.0-1033.34
linux-image-5.4.0-1036-gke (Ubuntu package) - update to 5.4.0-1036.38~18.04.1
linux-image-gke-5.4 (Ubuntu package) - update to 5.4.0.1036.38~18.04.4
linux-image-5.4.0-1037-gcp (Ubuntu package) - addressed in versions 5.4.0-1037.40, 5.4.0-1037.40~18.04.1
linux-image-5.4.0-1038-aws (Ubuntu package) - addressed in versions 5.4.0-1038.40, 5.4.0-1038.40~18.04.1
linux-image-5.4.0-1038-oracle (Ubuntu package) - addressed in versions 5.4.0-1038.41, 5.4.0-1038.41~18.04.1
linux-image-5.4.0-1040-azure (Ubuntu package) - addressed in versions 5.4.0-1040.42, 5.4.0-1040.42~18.04.1
Session Smart Router - addressed in versions 5.4.7, 5.5.3
IBM Netezza Host Management - update to 5.4.31.0
linux-image-oem-20.04 (Ubuntu package) - addressed in versions 5.6.0.1048.44, 5.8.0.44.49
linux-image-5.6.0-1048-oem (Ubuntu package) - update to 5.6.0-1048.52
linux-image-generic-64k (Ubuntu package) - update to 5.8.0.44.49
linux-image-5.8.0-44-generic-64k (Ubuntu package) - update to 5.8.0-44.50
linux-image-5.8.0-44-generic (Ubuntu package) - update to 5.8.0-44.50~20.04.1
linux-image-5.8.0-44-generic-lpae (Ubuntu package) - update to 5.8.0-44.50~20.04.1
linux-image-5.8.0-44-lowlatency (Ubuntu package) - update to 5.8.0-44.50~20.04.1
linux-image-generic-64k-hwe-20.04 (Ubuntu package) - update to 5.8.0.44.50~20.04.30
linux-image-lowlatency-hwe-20.04 (Ubuntu package) - update to 5.8.0.44.50~20.04.30
linux-image-generic-lpae-hwe-20.04 (Ubuntu package) - update to 5.8.0.44.50~20.04.30
linux-image-generic-hwe-20.04 (Ubuntu package) - update to 5.8.0.44.50~20.04.30
linux-image-virtual-hwe-20.04 (Ubuntu package) - update to 5.8.0.44.50~20.04.30
linux-image-raspi-nolpae (Ubuntu package) - update to 5.8.0.1016.19
linux-image-5.8.0-1016-raspi (Ubuntu package) - update to 5.8.0-1016.19
linux-image-5.8.0-1016-raspi-nolpae (Ubuntu package) - update to 5.8.0-1016.19
linux-image-5.8.0-1019-kvm (Ubuntu package) - update to 5.8.0-1019.21
linux-image-5.8.0-1021-oracle (Ubuntu package) - update to 5.8.0-1021.22
linux-image-5.8.0-1023-gcp (Ubuntu package) - update to 5.8.0-1023.24
linux-image-5.8.0-1023-azure (Ubuntu package) - update to 5.8.0-1023.25
linux-image-5.8.0-1024-aws (Ubuntu package) - update to 5.8.0-1024.26
kernel - addressed in versions 5.9.14-100.fc32, 5.9.14-200.fc33
Dell EMC VxRail Appliance - update to 7.0.240
Juniper Junos Space - update to 21.2R1
Links to Public Exploits and PoC-codes
External References
- http://packetstormsecurity.com/files/160681/Linux-TIOCSPGRP-Broken-Locking.html
- http://www.openwall.com/lists/oss-security/2020/12/10/1
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=54ffccbf053b5b6ca4f6e45094b942fab92a25fc
- https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html
- https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BOB25SU6XUL4TNP7KB63WNZSYTIYFDPP/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MZ7OAKAEFAXQRGBZK4LYUWINCD3D2XCL/
- https://security.netapp.com/advisory/ntap-20210122-0001/
- https://www.debian.org/security/2021/dsa-4843
Related Security Bulletins
- Privilege escalation in tty subsystem in Linux kernel
- Red Hat Enterprise Linux 7.6 update for kernel
- Red Hat Enterprise Linux 7 update for kernel
- Red Hat Enterprise Linux 7 update for kernel-rt
- Red Hat Enterprise Linux 7 update for kpatch-patch
- Red Hat Enterprise Linux 7.6 update for kpatch-patch
- Red Hat Enterprise Linux 7.7 update for kpatch-patch
- Red Hat Enterprise Linux 7.7 update for kernel
- Red Hat Enterprise Linux 6 Extended Lifecycle Support update for kernel
- Multiple vulnerabilities in Google Android
- Red Hat Enterprise Linux 7.4 update for kernel
- Multiple vulnerabilities in Junos Space
- Multiple vulnerabilities in Dell EMC VxRail Appliance
- Ubuntu update for linux
- Ubuntu update for linux
- Multiple vulnerabilities in IBM Netezza Host Management
- Multiple vulnerabilities in Juniper Networks Session Smart Router
- Multiple vulnerabilities in Dell EMC Data Computing Appliance (DCA)
- Red Hat Enterprise Linux 7 update for kernel-alt
- Red Hat Enterprise Linux 8 update for kernel
- Red Hat Enterprise Linux 8 update for kernel-rt
- Amazon Linux AMI update for kernel
- Multiple vulnerabilities in Red Hat Advanced Cluster Management for Kubernetes 2.0
- Ubuntu update for linux-oem-5.6
- Ubuntu update for linux
- Ubuntu update for linux
- Ubuntu update for linux
- openEuler update for kernel
- Anolis OS update for kernel(ANCK)4.19
- Fedora 33 update for kernel
- Fedora 32 update for kernel