CVE-2020-14331

EUVD-2020-6479
A flaw was found in the Linux kernel’s implementation of the invert video code on VGA consoles when a local attacker attempts to resize the console, calling an ioctl VT_RESIZE, which causes an out-of-bounds write to occur. This flaw allows a local user with access to the VGA console to crash the system, potentially escalating their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.6 MEDIUM
PHYSICAL
LOW
LOW
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
𝑥
≤ 5.7.19
linuxlinux_kernel
5.8.0:rc1
linuxlinux_kernel
5.8.0:rc2
linuxlinux_kernel
5.8.0:rc3
linuxlinux_kernel
5.8.0:rc4
linuxlinux_kernel
5.8.0:rc5
linuxlinux_kernel
5.8.0:rc6
redhatenterprise_linux
7.0
redhatenterprise_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.226-1
fixed
sid
6.11.5-1
fixed
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
bionic
not-affected
focal
not-affected
trusty
ignored
xenial
not-affected
linux-aws
bionic
not-affected
focal
not-affected
trusty
ignored
xenial
not-affected
linux-aws-5.0
bionic
ignored
focal
dne
trusty
dne
xenial
dne
linux-aws-5.3
bionic
ignored
focal
dne
trusty
dne
xenial
dne
linux-aws-5.4
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-aws-hwe
bionic
dne
focal
dne
trusty
dne
xenial
not-affected
linux-azure
bionic
ignored
focal
not-affected
trusty
ignored
xenial
not-affected
linux-azure-4.15
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-azure-5.3
bionic
ignored
focal
dne
trusty
dne
xenial
dne
linux-azure-5.4
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-azure-edge
bionic
ignored
focal
dne
trusty
dne
xenial
dne
linux-gcp
bionic
ignored
focal
not-affected
trusty
dne
xenial
not-affected
linux-gcp-4.15
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-gcp-5.3
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-gcp-5.4
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-gcp-edge
bionic
ignored
focal
dne
trusty
dne
xenial
dne
linux-gke-4.15
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-gke-5.0
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-gke-5.3
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-hwe
bionic
not-affected
focal
dne
trusty
dne
xenial
not-affected
linux-hwe-5.4
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-hwe-edge
bionic
ignored
focal
dne
trusty
dne
xenial
ignored
linux-kvm
bionic
not-affected
focal
not-affected
trusty
dne
xenial
not-affected
linux-lts-trusty
bionic
dne
focal
dne
trusty
dne
xenial
dne
linux-lts-xenial
bionic
dne
focal
dne
trusty
ignored
xenial
dne
linux-oem
bionic
not-affected
focal
dne
trusty
dne
xenial
ignored
linux-oem-5.6
bionic
dne
focal
not-affected
trusty
dne
xenial
dne
linux-oem-osp1
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-oracle
bionic
not-affected
focal
not-affected
trusty
dne
xenial
not-affected
linux-oracle-5.0
bionic
ignored
focal
dne
trusty
dne
xenial
dne
linux-oracle-5.3
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-oracle-5.4
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-raspi
bionic
dne
focal
not-affected
trusty
dne
xenial
dne
linux-raspi-5.4
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-raspi2
bionic
not-affected
focal
ignored
trusty
dne
xenial
not-affected
linux-raspi2-5.3
bionic
not-affected
focal
dne
trusty
dne
xenial
dne
linux-riscv
bionic
dne
focal
not-affected
trusty
dne
xenial
dne
linux-snapdragon
bionic
not-affected
focal
dne
trusty
dne
xenial
not-affected