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CVE-2018-1120

Fixed in a distro release EPSS 7%CVSS 2.8

A flaw was found affecting the Linux kernel before version 4.17. By mmap()ing a FUSE-backed file onto a process's memory containing command line arguments (or environment strings), an attacker can cause utilities from psutils or procps (such as ps, w) or any other program which makes a read() call to the /proc/<pid>/cmdline (or /proc/<pid>/environ) files to block indefinitely (denial of service) or for some controlled time (as a synchronization primitive for other attacks).

Published 2018-06-20 · CVE record · OSV

Products: linux_kernel, redhat virtualization_host, redhat enterprise_linux_desktop, redhat enterprise_linux_server, redhat enterprise_linux_workstation, debian_linux, canonical ubuntu_linux

Distro releases

ReleasePackageFixed in
Amazon Linux 2kernel4.14.47-63.37.amzn2
Amazon Linux 2kernel-devel4.14.47-63.37.amzn2
Amazon Linux 2kernel-headers4.14.47-63.37.amzn2
Amazon Linux 2kernel-tools4.14.47-63.37.amzn2
Amazon Linux 2kernel-tools-devel4.14.47-63.37.amzn2
Amazon Linux 2perf4.14.47-63.37.amzn2
Amazon Linux 2python-perf4.14.47-63.37.amzn2
Arch Linuxlinux4.17.2-1
Arch Linuxlinux-hardened4.17a-1
Arch Linuxlinux-lts4.14.44-1
Arch Linuxlinux-zen4.17-1
Debian 12linux4.16.12-1
Debian 13linux4.16.12-1
Debian 14linux4.16.12-1
Debian 8linux-4.94.9.110-1~deb8u1
Red Hat Enterprise Linux 7bpftool0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-abi-whitelists0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-abi-whitelists0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-alt0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-bootwrapper0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-bootwrapper0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-debug0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-debug0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-debug-debuginfo0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-debug-debuginfo0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-debug-devel0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-debug-devel0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-debuginfo0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-debuginfo0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-debuginfo-common-ppc640:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-debuginfo-common-ppc64le0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-debuginfo-common-ppc64le0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-debuginfo-common-s390x0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-debuginfo-common-x86_640:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-devel0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-devel0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-doc0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-doc0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-headers0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-kdump0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-kdump-debuginfo0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-kdump-devel0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-tools0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-tools0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-tools-debuginfo0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-tools-debuginfo0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-tools-libs0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-tools-libs0:4.14.0-115.el7a
Red Hat Enterprise Linux 7kernel-tools-libs-devel0:3.10.0-957.el7
Red Hat Enterprise Linux 7kernel-tools-libs-devel0:4.14.0-115.el7a
Red Hat Enterprise Linux 7perf0:3.10.0-957.el7
Red Hat Enterprise Linux 7perf0:4.14.0-115.el7a
Red Hat Enterprise Linux 7perf-debuginfo0:3.10.0-957.el7
Red Hat Enterprise Linux 7perf-debuginfo0:4.14.0-115.el7a
Red Hat Enterprise Linux 7python-perf0:4.14.0-115.el7a
Red Hat Enterprise Linux 7python-perf0:3.10.0-957.el7
Red Hat Enterprise Linux 7python-perf-debuginfo0:3.10.0-957.el7
Red Hat Enterprise Linux 7python-perf-debuginfo0:4.14.0-115.el7a
Red Hat enterprise mrg 2 server el6kernel-rt1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-debug1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-debug-debuginfo1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-debug-devel1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-debuginfo1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-debuginfo-common-x86_641:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-devel1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-doc1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-firmware1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-trace1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-trace-debuginfo1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-trace-devel1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-vanilla1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-vanilla-debuginfo1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat enterprise mrg 2 server el6kernel-rt-vanilla-devel1:3.10.0-693.76.1.rt56.676.el6rt
Red Hat rhel aus 7.4kernel0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4kernel-abi-whitelists0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4kernel-debug0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4kernel-debug-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4kernel-debug-devel0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4kernel-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4kernel-debuginfo-common-x86_640:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4kernel-devel0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4kernel-doc0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4kernel-tools0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4kernel-tools-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4kernel-tools-libs0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4kernel-tools-libs-devel0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4perf0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4perf-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4python-perf0:3.10.0-693.76.1.el7
Red Hat rhel aus 7.4python-perf-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-abi-whitelists0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-bootwrapper0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-debug0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-debug-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-debug-devel0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-debuginfo-common-ppc64le0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-debuginfo-common-x86_640:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-devel0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-doc0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-tools0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-tools-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-tools-libs0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4kernel-tools-libs-devel0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4perf0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4perf-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4python-perf0:3.10.0-693.76.1.el7
Red Hat rhel e4s 7.4python-perf-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel extras rt 7kernel-rt0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-debug0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-debug-debuginfo0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-debug-devel0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-debug-kvm0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-debug-kvm-debuginfo0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-debuginfo0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-debuginfo-common-x86_640:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-devel0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-doc0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-kvm0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-kvm-debuginfo0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-trace0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-trace-debuginfo0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-trace-devel0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-trace-kvm0:3.10.0-957.rt56.910.el7
Red Hat rhel extras rt 7kernel-rt-trace-kvm-debuginfo0:3.10.0-957.rt56.910.el7
Red Hat rhel tus 7.4kernel0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4kernel-abi-whitelists0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4kernel-debug0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4kernel-debug-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4kernel-debug-devel0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4kernel-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4kernel-debuginfo-common-x86_640:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4kernel-devel0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4kernel-doc0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4kernel-tools0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4kernel-tools-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4kernel-tools-libs0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4kernel-tools-libs-devel0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4perf0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4perf-debuginfo0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4python-perf0:3.10.0-693.76.1.el7
Red Hat rhel tus 7.4python-perf-debuginfo0:3.10.0-693.76.1.el7
SUSE Enterprise Storage 4kernel-default4.4.121-92.109.2
SUSE Enterprise Storage 4kernel-source4.4.121-92.109.2
SUSE Enterprise Storage 4kernel-syms4.4.121-92.109.2
SUSE Enterprise Storage 4kgraft-patch-SLE12-SP2_Update_291-3.5.2
SUSE Linux Enterprise Desktop 12 SP3kernel-default4.4.175-94.79.1
SUSE Linux Enterprise Desktop 12 SP3kernel-source4.4.175-94.79.1
SUSE Linux Enterprise Desktop 12 SP3kernel-syms4.4.175-94.79.1
SUSE Linux Enterprise High Availability Extension 12 SP2kernel-default4.4.121-92.109.2
SUSE Linux Enterprise High Availability Extension 12 SP3kernel-default4.4.175-94.79.1
SUSE Linux Enterprise High Availability Extension 15kernel-default4.12.14-25.3.1
SUSE Linux Enterprise Live Patching 12 SP3kgraft-patch-SLE12-SP3_Update_231-4.7.1
SUSE Linux Enterprise Live Patching 15kernel-default4.12.14-25.3.1
SUSE Linux Enterprise Live Patching 15kernel-livepatch-SLE15_Update_11-1.3.1
SUSE Linux Enterprise Module for Basesystem 15kernel-default4.12.14-25.3.1
SUSE Linux Enterprise Module for Basesystem 15kernel-source4.12.14-25.3.1
SUSE Linux Enterprise Module for Basesystem 15kernel-zfcpdump4.12.14-25.3.1
SUSE Linux Enterprise Module for Development Tools 15kernel-docs4.12.14-25.3.1
SUSE Linux Enterprise Module for Development Tools 15kernel-obs-build4.12.14-25.3.1
SUSE Linux Enterprise Module for Development Tools 15kernel-source4.12.14-25.3.1
SUSE Linux Enterprise Module for Development Tools 15kernel-syms4.12.14-25.3.1
SUSE Linux Enterprise Module for Development Tools 15kernel-vanilla4.12.14-25.3.1
SUSE Linux Enterprise Module for Legacy 15kernel-default4.12.14-25.3.1
SUSE Linux Enterprise Real Time 12 SP3kernel-rt4.4.170-3.32.2
SUSE Linux Enterprise Real Time 12 SP3kernel-rt_debug4.4.170-3.32.2
SUSE Linux Enterprise Real Time 12 SP3kernel-source-rt4.4.170-3.32.1
SUSE Linux Enterprise Real Time 12 SP3kernel-syms-rt4.4.170-3.32.1
SUSE Linux Enterprise Server 12 SP2-BCLkernel-default4.4.121-92.109.2
SUSE Linux Enterprise Server 12 SP2-BCLkernel-source4.4.121-92.109.2
SUSE Linux Enterprise Server 12 SP2-BCLkernel-syms4.4.121-92.109.2
SUSE Linux Enterprise Server 12 SP2-LTSSkernel-default4.4.121-92.109.2
SUSE Linux Enterprise Server 12 SP2-LTSSkernel-source4.4.121-92.109.2
SUSE Linux Enterprise Server 12 SP2-LTSSkernel-syms4.4.121-92.109.2
SUSE Linux Enterprise Server 12 SP2-LTSSkgraft-patch-SLE12-SP2_Update_291-3.5.2
SUSE Linux Enterprise Server 12 SP3kernel-azure4.4.170-4.22.1
SUSE Linux Enterprise Server 12 SP3kernel-default4.4.175-94.79.1
SUSE Linux Enterprise Server 12 SP3kernel-source4.4.175-94.79.1
SUSE Linux Enterprise Server 12 SP3kernel-source-azure4.4.170-4.22.1
SUSE Linux Enterprise Server 12 SP3kernel-syms4.4.175-94.79.1
SUSE Linux Enterprise Server 12 SP3kernel-syms-azure4.4.170-4.22.1
SUSE Linux Enterprise Server for SAP Applications 12 SP2kernel-default4.4.121-92.109.2
SUSE Linux Enterprise Server for SAP Applications 12 SP2kernel-source4.4.121-92.109.2
SUSE Linux Enterprise Server for SAP Applications 12 SP2kernel-syms4.4.121-92.109.2
SUSE Linux Enterprise Server for SAP Applications 12 SP2kgraft-patch-SLE12-SP2_Update_291-3.5.2
SUSE Linux Enterprise Server for SAP Applications 12 SP3kernel-azure4.4.170-4.22.1
SUSE Linux Enterprise Server for SAP Applications 12 SP3kernel-default4.4.175-94.79.1
SUSE Linux Enterprise Server for SAP Applications 12 SP3kernel-source4.4.175-94.79.1
SUSE Linux Enterprise Server for SAP Applications 12 SP3kernel-source-azure4.4.170-4.22.1
SUSE Linux Enterprise Server for SAP Applications 12 SP3kernel-syms4.4.175-94.79.1
SUSE Linux Enterprise Server for SAP Applications 12 SP3kernel-syms-azure4.4.170-4.22.1
SUSE Linux Enterprise Software Development Kit 12 SP3kernel-docs4.4.175-94.79.1
SUSE Linux Enterprise Software Development Kit 12 SP3kernel-obs-build4.4.175-94.79.1
SUSE Linux Enterprise Workstation Extension 12 SP3kernel-default4.4.175-94.79.1
SUSE Linux Enterprise Workstation Extension 15kernel-default4.12.14-25.3.1
SUSE OpenStack Cloud 7kernel-default4.4.121-92.109.2
SUSE OpenStack Cloud 7kernel-source4.4.121-92.109.2
SUSE OpenStack Cloud 7kernel-syms4.4.121-92.109.2
SUSE OpenStack Cloud 7kgraft-patch-SLE12-SP2_Update_291-3.5.2
Ubuntu 14.04 LTSlinux-aws4.4.0-1039.42
Ubuntu 14.04 LTSlinux-lts-xenial4.4.0-143.169~14.04.2
Ubuntu 16.04 LTSlinux4.4.0-143.169
Ubuntu 16.04 LTSlinux-aws4.4.0-1077.87
Ubuntu 16.04 LTSlinux-azure4.15.0-1022.22~16.04.1
Ubuntu 16.04 LTSlinux-gcp4.15.0-1018.19~16.04.2
Ubuntu 16.04 LTSlinux-hwe4.15.0-33.36~16.04.1
Ubuntu 16.04 LTSlinux-kvm4.4.0-1041.47
Ubuntu 16.04 LTSlinux-raspi24.4.0-1104.112
Ubuntu 16.04 LTSlinux-snapdragon4.4.0-1108.113
Ubuntu 18.04 LTSlinux4.15.0-33.36
Ubuntu 18.04 LTSlinux-aws4.15.0-1020.20
Ubuntu 18.04 LTSlinux-azure4.15.0-1022.23
Ubuntu 18.04 LTSlinux-gcp4.15.0-1018.19
Ubuntu 18.04 LTSlinux-kvm4.15.0-1020.20
Ubuntu 18.04 LTSlinux-oem4.15.0-1017.20
Ubuntu 18.04 LTSlinux-raspi24.15.0-1021.23
Ubuntu 18.04 LTSlinux-snapdragon4.15.0-1053.57
Ubuntu 20.04 LTSlinux-azure-fdeno fix
Ubuntu 20.04 LTSlinux-gkeno fix
Ubuntu 20.04 LTSlinux-raspi2no fix
Ubuntu 20.04 LTSlinux-riscvno fix
Ubuntu 22.04 LTSlinux-intel-iot-realtimeno fix
Ubuntu 22.04 LTSlinux-realtimeno fix
Ubuntu 22.04 LTSlinux-riscvno fix
Ubuntu 24.04 LTSlinux-azure-6.11no fix
Ubuntu 24.04 LTSlinux-gcp-6.11no fix
Ubuntu 24.04 LTSlinux-hwe-6.11no fix
Ubuntu 24.04 LTSlinux-lowlatency-hwe-6.11no fix
Ubuntu 24.04 LTSlinux-raspi-realtimeno fix
Ubuntu Pro 14.04 LTSlinuxno fix
Ubuntu Pro 20.04 LTSlinux-azure-fde-5.15no fix
Ubuntu Pro FIPS-updates 16.04 LTSlinux-fips4.4.0-1008.10