CVE-2020-12114

A pivot_root race condition in fs/namespace.c in the Linux kernel 4.4.x before 4.4.221, 4.9.x before 4.9.221, 4.14.x before 4.14.178, 4.19.x before 4.19.119, and 5.x before 5.3 allows local users to cause a denial of service (panic) by corrupting a mountpoint reference counter.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.7 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
mitreCNA
---
---
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
VendorProductVersion
linuxlinux_kernel
4.4.0 ≤
𝑥
< 4.4.221
linuxlinux_kernel
4.9.0 ≤
𝑥
< 4.9.221
linuxlinux_kernel
4.14 ≤
𝑥
< 4.14.178
linuxlinux_kernel
4.19 ≤
𝑥
< 4.19.119
linuxlinux_kernel
5.0 ≤
𝑥
< 5.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
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
focal
Fixed 5.4.0-37.41
released
eoan
Fixed 5.3.0-59.53
released
bionic
Fixed 4.15.0-106.107
released
xenial
Fixed 4.4.0-184.214
released
trusty
Fixed 3.13.0-180.231
released
linux-aws
focal
Fixed 5.4.0-1015.15
released
eoan
Fixed 5.3.0-1023.25
released
bionic
Fixed 4.15.0-1073.77
released
xenial
Fixed 4.4.0-1109.120
released
trusty
Fixed 4.4.0-1073.77
released
linux-aws-5.0
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-aws-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1023.25~18.04.1
released
xenial
dne
trusty
dne
linux-aws-5.4
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-aws-hwe
focal
dne
eoan
dne
bionic
dne
xenial
Fixed 4.15.0-1073.77~16.04.1
released
trusty
dne
linux-azure
focal
Fixed 5.4.0-1016.16
released
eoan
Fixed 5.3.0-1028.29
released
bionic
ignored
xenial
Fixed 4.15.0-1089.99~16.04.1
released
trusty
Fixed 4.15.0-1089.99~14.04.1
released
linux-azure-4.15
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1089.99
released
xenial
dne
trusty
dne
linux-azure-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1028.29~18.04.1
released
xenial
dne
trusty
dne
linux-azure-5.4
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-azure-edge
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gcp
focal
Fixed 5.4.0-1015.15
released
eoan
Fixed 5.3.0-1026.28
released
bionic
ignored
xenial
Fixed 4.15.0-1077.87~16.04.1
released
trusty
dne
linux-gcp-4.15
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1077.87
released
xenial
dne
trusty
dne
linux-gcp-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1026.28~18.04.1
released
xenial
dne
trusty
dne
linux-gcp-5.4
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp-edge
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-4.15
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1063.66
released
xenial
dne
trusty
dne
linux-gke-5.0
focal
dne
eoan
dne
bionic
Fixed 5.0.0-1042.43
released
xenial
dne
trusty
dne
linux-gke-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1026.28~18.04.1
released
xenial
dne
trusty
dne
linux-hwe
focal
dne
eoan
dne
bionic
Fixed 5.3.0-59.53~18.04.1
released
xenial
Fixed 4.15.0-106.107~16.04.1
released
trusty
dne
linux-hwe-5.4
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-hwe-edge
focal
dne
eoan
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-kvm
focal
Fixed 5.4.0-1015.15
released
eoan
Fixed 5.3.0-1023.25
released
bionic
Fixed 4.15.0-1067.68
released
xenial
Fixed 4.4.0-1075.82
released
trusty
dne
linux-lts-trusty
focal
dne
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
focal
dne
eoan
dne
bionic
dne
xenial
dne
trusty
Fixed 4.4.0-184.214~14.04.1
released
linux-oem
focal
dne
eoan
ignored
bionic
Fixed 4.15.0-1087.97
released
xenial
ignored
trusty
dne
linux-oem-5.6
focal
Fixed 5.6.0-1011.11
released
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-osp1
focal
dne
eoan
ignored
bionic
Fixed 5.0.0-1059.64
released
xenial
dne
trusty
dne
linux-oracle
focal
Fixed 5.4.0-1015.15
released
eoan
Fixed 5.3.0-1024.26
released
bionic
Fixed 4.15.0-1045.49
released
xenial
Fixed 4.15.0-1045.49~16.04.1
released
trusty
dne
linux-oracle-5.0
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1024.26~18.04.1
released
xenial
dne
trusty
dne
linux-oracle-5.4
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-raspi
focal
Fixed 5.4.0-1012.12
released
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-raspi-5.4
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-raspi2
focal
ignored
eoan
Fixed 5.3.0-1027.29
released
bionic
Fixed 4.15.0-1063.67
released
xenial
Fixed 4.4.0-1134.143
released
trusty
dne
linux-raspi2-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1027.29~18.04.1
released
xenial
dne
trusty
dne
linux-riscv
focal
Fixed 5.4.0-27.31
released
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-snapdragon
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1080.87
released
xenial
Fixed 4.4.0-1138.146
released
trusty
dne
References