CVE-2025-20623

EUVD-2025-14553
Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some Intel(R) Core™ processors (10th Generation) may allow an authenticated user to potentially enable information disclosure via local access.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.6 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
intelCNA
5.6 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 10%
Debian logo
Debian Releases
Debian Product
Codename
intel-microcode
bookworm/non-free-firmware
3.20251111.1~deb12u1
fixed
bookworm/non-free-firmware (security)
3.20250812.1~deb12u1
fixed
bullseye/non-free
vulnerable
bullseye/non-free (security)
3.20250812.1~deb11u1
fixed
forky/non-free-firmware
3.20260210.1
fixed
sid/non-free-firmware
3.20260210.1
fixed
trixie/non-free-firmware
3.20251111.1~deb13u1
fixed
trixie/non-free-firmware (security)
3.20250812.1~deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
intel-microcode
bionic
Fixed 3.20250512.0ubuntu0.18.04.1+esm1
released
focal
Fixed 3.20250512.0ubuntu0.20.04.1
released
jammy
Fixed 3.20250512.0ubuntu0.22.04.1
released
noble
Fixed 3.20250512.0ubuntu0.24.04.1
released
oracular
Fixed 3.20250512.0ubuntu0.24.10.1
released
plucky
Fixed 3.20250512.0ubuntu0.25.04.1
released
trusty
ignored
xenial
Fixed 3.20250512.0ubuntu0.16.04.1+esm1
released
References
https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01247.html
https://lists.debian.org/debian-lts-announce/2025/05/msg00021.html