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Fencer Vulns
medium 6.5

CVE-2025-21090 json

Missing reference to active allocated resource for some Intel(R) Xeon(R) processors may allow an authenticated user to potentially enable d…

published 2025-08-12 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-24426

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits
0
none known

Summary

Missing reference to active allocated resource for some Intel(R) Xeon(R) processors may allow an authenticated user to potentially enable denial of service via local access.

Patch / fix

  • intel-microcode Debian 12 3.20250812.1~deb12u1
  • intel-microcode Debian 13 3.20250812.1~deb13u1
  • intel-microcode Debian 14 3.20250812.1

debian advisories DEBIAN-CVE-2025-21090

  • intel-microcode Ubuntu 22.04 LTS 3.20250812.0ubuntu0.22.04.1
  • intel-microcode Ubuntu 24.04 LTS 3.20250812.0ubuntu0.24.04.1
  • intel-microcode Ubuntu 25.10 3.20250812.0ubuntu0.25.10.1
  • intel-microcode Ubuntu Pro 16.04 LTS 3.20250812.0ubuntu0.16.04.1+esm1
  • intel-microcode Ubuntu Pro 18.04 LTS 3.20250812.0ubuntu0.18.04.1+esm1
  • intel-microcode Ubuntu Pro 20.04 LTS 3.20250812.0ubuntu0.20.04.1+esm1

ubuntu advisories UBUNTU-CVE-2025-21090

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • intel-ucode Alpine 3.24, Alpine 3.23, Alpine 3.22 +3 more 20250812-r0

alpine advisories ALPINE-CVE-2025-21090

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
14 mo ago

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 4.1 CVSS:4.0/AV:P/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA 3.1 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CNA 4.0 4.1 CVSS:4.0/AV:P/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • n/a Intel(R) Xeon(R) processors

Classification

Weakness
  • CWE-771 Missing Reference to Active Allocated Resource

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.