CVE-2021-3472

EUVD-2021-26794
A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Wrap or Wraparound
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 25%
Affected Products (NVD)
VendorProductVersion
x.orgx_server
𝑥
< 1.20.11
debiandebian_linux
9.0
debiandebian_linux
10.0
redhatenterprise_linux
7.0
redhatenterprise_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
xorg-server
bookworm
2:21.1.7-3+deb12u7
fixed
bookworm (security)
2:21.1.7-3+deb12u8
fixed
bullseye
2:1.20.11-1+deb11u13
fixed
bullseye (security)
2:1.20.11-1+deb11u14
fixed
sid
2:21.1.14-1
fixed
trixie
2:21.1.14-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xorg
bionic
not-affected
focal
not-affected
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
trusty
dne
xenial
not-affected
xorg-hwe-16.04
bionic
dne
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
trusty
dne
xenial
not-affected
xorg-hwe-18.04
bionic
not-affected
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
trusty
dne
xenial
dne
xorg-server
bionic
Fixed 2:1.19.6-1ubuntu4.9
released
focal
Fixed 2:1.20.9-2ubuntu1.2~20.04.2
released
groovy
Fixed 2:1.20.9-2ubuntu1.3
released
hirsute
Fixed 2:1.20.11-1ubuntu1
released
impish
Fixed 2:1.20.11-1ubuntu1
released
jammy
Fixed 2:1.20.11-1ubuntu1
released
trusty
Fixed 2:1.15.1-0ubuntu2.11+esm4
released
xenial
Fixed 2:1.18.4-0ubuntu0.12
released
xorg-server-hwe-16.04
bionic
dne
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
trusty
dne
xenial
Fixed 2:1.19.6-1ubuntu4.1~16.04.6
released
xorg-server-hwe-18.04
bionic
Fixed 2:1.20.8-2ubuntu2.2~18.04.5
released
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
trusty
dne
xenial
dne
xorg-server-lts-utopic
bionic
dne
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
trusty
dne
xenial
dne
xorg-server-lts-vivid
bionic
dne
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
trusty
dne
xenial
dne
xorg-server-lts-wily
bionic
dne
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
trusty
dne
xenial
dne
xorg-server-lts-xenial
bionic
dne
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
trusty
dne
xenial
dne
xwayland
bionic
dne
focal
dne
groovy
dne
hirsute
Fixed 2:21.1.1-0ubuntu1
released
impish
Fixed 2:21.1.1-0ubuntu1
released
jammy
Fixed 2:21.1.1-0ubuntu1
released
trusty
dne
xenial
dne
References