CVE-2018-1120

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).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
2.8 LOW
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
redhatCNA
2.8 LOW
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 74%
VendorProductVersion
linuxlinux_kernel
𝑥
< 4.17
redhatvirtualization_host
4.0
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_workstation
7.0
debiandebian_linux
8.0
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
jessie
ignored
bullseye (security)
5.10.226-1
fixed
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
trixie
6.11.5-1
fixed
sid
6.11.6-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
disco
not-affected
cosmic
not-affected
bionic
Fixed 4.15.0-33.36
released
artful
ignored
xenial
Fixed 4.4.0-143.169
released
trusty
ignored
linux-aws
disco
not-affected
cosmic
not-affected
bionic
Fixed 4.15.0-1020.20
released
artful
dne
xenial
Fixed 4.4.0-1077.87
released
trusty
Fixed 4.4.0-1039.42
released
linux-aws-hwe
disco
dne
cosmic
dne
bionic
dne
xenial
not-affected
trusty
dne
linux-azure
disco
not-affected
cosmic
not-affected
bionic
Fixed 4.15.0-1022.23
released
artful
dne
xenial
Fixed 4.15.0-1022.22~16.04.1
released
trusty
not-affected
linux-azure-edge
disco
dne
cosmic
dne
bionic
Fixed 4.15.0-1022.23
released
xenial
Fixed 4.15.0-1022.22~16.04.1
released
trusty
dne
linux-euclid
disco
dne
cosmic
dne
bionic
dne
artful
dne
xenial
ignored
trusty
dne
linux-flo
disco
dne
cosmic
dne
bionic
dne
artful
dne
xenial
ignored
trusty
dne
linux-gcp
disco
not-affected
cosmic
not-affected
bionic
Fixed 4.15.0-1018.19
released
artful
dne
xenial
Fixed 4.15.0-1018.19~16.04.2
released
trusty
dne
linux-gcp-edge
disco
dne
cosmic
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke
disco
dne
cosmic
dne
bionic
not-affected
artful
dne
xenial
ignored
trusty
dne
linux-goldfish
disco
dne
cosmic
dne
bionic
dne
artful
dne
xenial
ignored
trusty
dne
linux-grouper
disco
dne
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
dne
linux-hwe
disco
dne
cosmic
dne
bionic
not-affected
artful
dne
xenial
Fixed 4.15.0-33.36~16.04.1
released
trusty
dne
linux-hwe-edge
disco
dne
cosmic
dne
bionic
not-affected
artful
dne
xenial
Fixed 4.15.0-33.36~16.04.1
released
trusty
dne
linux-kvm
disco
not-affected
cosmic
not-affected
bionic
Fixed 4.15.0-1020.20
released
artful
dne
xenial
Fixed 4.4.0-1041.47
released
trusty
dne
linux-lts-trusty
disco
dne
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
dne
linux-lts-utopic
disco
dne
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
ignored
linux-lts-vivid
disco
dne
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
ignored
linux-lts-wily
disco
dne
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
ignored
linux-lts-xenial
disco
dne
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
Fixed 4.4.0-143.169~14.04.2
released
linux-maguro
disco
dne
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
dne
linux-mako
disco
dne
cosmic
dne
bionic
dne
artful
dne
xenial
ignored
trusty
dne
linux-manta
disco
dne
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
dne
linux-oem
disco
not-affected
cosmic
not-affected
bionic
Fixed 4.15.0-1017.20
released
artful
dne
xenial
ignored
trusty
dne
linux-oracle
disco
not-affected
cosmic
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-raspi2
disco
not-affected
cosmic
not-affected
bionic
Fixed 4.15.0-1021.23
released
artful
ignored
xenial
Fixed 4.4.0-1104.112
released
trusty
dne
linux-snapdragon
disco
not-affected
cosmic
dne
bionic
Fixed 4.15.0-1053.57
released
artful
ignored
xenial
Fixed 4.4.0-1108.113
released
trusty
dne
procps
disco
not-affected
cosmic
not-affected
bionic
not-affected
artful
not-affected
xenial
not-affected
trusty
not-affected