CVE-2025-20623

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
NISTNIST
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
CISA-ADPADP
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 4%
Debian logo
Debian Releases
Debian Product
Codename
intel-microcode
bullseye/non-free
vulnerable
bullseye/non-free (security)
3.20250812.1~deb11u1
fixed
bookworm/non-free-firmware
3.20251111.1~deb12u1
fixed
bookworm/non-free-firmware (security)
3.20250812.1~deb12u1
fixed
trixie/non-free-firmware
3.20251111.1~deb13u1
fixed
trixie/non-free-firmware (security)
3.20250812.1~deb13u1
fixed
sid/non-free-firmware
3.20251111.1
fixed
forky/non-free-firmware
3.20251111.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
intel-microcode
plucky
Fixed 3.20250512.0ubuntu0.25.04.1
released
oracular
Fixed 3.20250512.0ubuntu0.24.10.1
released
noble
Fixed 3.20250512.0ubuntu0.24.04.1
released
jammy
Fixed 3.20250512.0ubuntu0.22.04.1
released
focal
Fixed 3.20250512.0ubuntu0.20.04.1
released
bionic
Fixed 3.20250512.0ubuntu0.18.04.1+esm1
released
xenial
Fixed 3.20250512.0ubuntu0.16.04.1+esm1
released
trusty
ignored
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