CVE-2025-62230

A flaw was discovered in the X.Org X servers X Keyboard (Xkb) extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected clients disconnect.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.3 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
redhatCNA
7.3 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
CISA-ADPADP
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CVEADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
Debian logo
Debian Releases
Debian Product
Codename
xorg-server
bullseye
vulnerable
trixie
2:21.1.16-1.3+deb13u1
ignored
bookworm
ignored
bullseye (security)
2:1.20.11-1+deb11u17
fixed
bookworm (security)
2:21.1.7-3+deb12u11
fixed
trixie (security)
2:21.1.16-1.3+deb13u1
fixed
forky
2:21.1.21-1
fixed
sid
2:21.1.21-1
fixed
xwayland
bookworm
ignored
trixie
ignored
forky
2:24.1.9-1
fixed
sid
2:24.1.9-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xorg
questing
not-affected
plucky
not-affected
noble
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
xorg-server
questing
Fixed 2:21.1.18-1ubuntu1.1
released
plucky
Fixed 2:21.1.16-1ubuntu1.2
released
noble
Fixed 2:21.1.12-1ubuntu1.5
released
jammy
Fixed 2:21.1.4-2ubuntu1.7~22.04.16
released
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
needs-triage
xwayland
questing
Fixed 2:24.1.6-1ubuntu1.1
released
plucky
Fixed 2:24.1.6-1ubuntu0.2
released
noble
Fixed 2:23.2.6-1ubuntu0.7
released
jammy
Fixed 2:22.1.1-1ubuntu0.20
released
xorg-server-hwe-16.04
questing
dne
plucky
dne
noble
dne
jammy
dne
xenial
needs-triage
xorg-server-hwe-18.04
questing
dne
plucky
dne
noble
dne
jammy
dne
bionic
needs-triage
xorg-hwe-16.04
questing
dne
plucky
dne
noble
dne
jammy
dne
xenial
not-affected
xorg-hwe-18.04
questing
dne
plucky
dne
noble
dne
jammy
dne
bionic
not-affected
References