CVE catalog
CVE-2025-21090
Intel Microcode vulnerabilities
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.15% · Oct 27, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | intel-microcode | sid | 3.20260227.1 | fixed |
| Debian | intel-microcode | forky | 3.20260227.1 | fixed |
| Debian | intel-microcode | trixie | 3.20251111.1~deb13u1 | fixed |
| Debian | intel-microcode | trixie-security | 3.20250812.1~deb13u1 | fixed |
| Debian | intel-microcode | bookworm | 3.20251111.1~deb12u1 | fixed |
| Debian | intel-microcode | bookworm-security | 3.20250812.1~deb12u1 | fixed |
| Ubuntu | intel-microcode | noble | 3.20250812.1~deb12u1 | fixed |
| Ubuntu | intel-microcode | noble | 3.20250812.0ubuntu0.24.04.1 | fixed |
| Alpine | intel-ucode | 3.19 | 20250812-r0 | fixed |
| Alpine | intel-ucode | 3.20 | 20250812-r0 | fixed |
| Alpine | intel-ucode | 3.21 | 20250812-r0 | fixed |
| Alpine | intel-ucode | 3.22 | 20250812-r0 | fixed |
| Alpine | intel-ucode | 3.23 | 20250812-r0 | fixed |
| Alpine | intel-ucode | 3.24 | 20250812-r0 | fixed |
| Ubuntu | intel-microcode | pro | 3.20190918.1ubuntu1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20191115.1ubuntu1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20191115.1ubuntu2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20191115.1ubuntu3 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20200609.0ubuntu0.20.04.0 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20200609.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20200609.0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20201110.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20201110.0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20210216.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20210608.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20220510.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20220809.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20230214.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20230808.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20231114.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20240514.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20240813.0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20240910.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20241112.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20250211.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20250512.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20250812.0ubuntu0.20.04.1+esm1 | fixed |
| Ubuntu | intel-microcode | 22.04 | 3.20210608.2ubuntu1 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20220510.0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20220809.0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20230214.0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20230808.0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20231114.0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20240514.0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20240813.0ubuntu0.22.04.2 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20240910.0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20241112.0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20250211.0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20250512.0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20250812.0ubuntu0.22.04.1 | fixed |
| Ubuntu | intel-microcode | 24.04 | 3.20230808.1 | vulnerable |
| Ubuntu | intel-microcode | 24.04 | 3.20231114.0ubuntu1 | vulnerable |
| Ubuntu | intel-microcode | 24.04 | 3.20231114.1 | vulnerable |
| Ubuntu | intel-microcode | 24.04 | 3.20240312.1 | vulnerable |
| Ubuntu | intel-microcode | 24.04 | 3.20240312.1build1 | vulnerable |
| Ubuntu | intel-microcode | 24.04 | 3.20240514.0ubuntu0.24.04.1 | vulnerable |
| Ubuntu | intel-microcode | 24.04 | 3.20240813.0ubuntu0.24.04.2 | vulnerable |
| Ubuntu | intel-microcode | 24.04 | 3.20240910.0ubuntu0.24.04.1 | vulnerable |
| Ubuntu | intel-microcode | 24.04 | 3.20241112.0ubuntu0.24.04.1 | vulnerable |
| Ubuntu | intel-microcode | 24.04 | 3.20250211.0ubuntu0.24.04.1 | vulnerable |
| Ubuntu | intel-microcode | 24.04 | 3.20250512.0ubuntu0.24.04.1 | vulnerable |
| Ubuntu | intel-microcode | 24.04 | 3.20250812.0ubuntu0.24.04.1 | fixed |
| Ubuntu | intel-microcode | 25.10 | 3.20250211.1ubuntu1 | vulnerable |
| Ubuntu | intel-microcode | 25.10 | 3.20250512.1ubuntu1 | vulnerable |
| Ubuntu | intel-microcode | 25.10 | 3.20250812.0ubuntu0.25.10.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | intel-microcode | source | sid | 3.20250812.1 | not yet assigned | Not reported | [1110983] |
| Debian | intel-microcode | source | forky | 3.20250812.1 | not yet assigned | Not reported | [1110983] |
| Debian | intel-microcode | source | trixie | 3.20250812.1~deb13u1 | not yet assigned | Not reported | [1110983] |
| Debian | intel-microcode | source | bookworm | 3.20250812.1~deb12u1 | not yet assigned | Not reported | [1110983] |
| Ubuntu | intel-microcode | deb | noble | 3.20250812.1~deb12u1 | Not reported | Not reported | Not reported |
| Ubuntu | intel-microcode | deb | noble | 3.20250812.0ubuntu0.24.04.1 | Not reported | Not reported | Not reported |
| Alpine | intel-ucode | apk | 3.19 | 20250812-r0 | Not reported | ALPINE-CVE-2025-21090 | Not reported |
| Alpine | intel-ucode | apk | 3.20 | 20250812-r0 | Not reported | ALPINE-CVE-2025-21090 | Not reported |
| Alpine | intel-ucode | apk | 3.21 | 20250812-r0 | Not reported | ALPINE-CVE-2025-21090 | Not reported |
| Alpine | intel-ucode | apk | 3.22 | 20250812-r0 | Not reported | ALPINE-CVE-2025-21090 | Not reported |
| Alpine | intel-ucode | apk | 3.23 | 20250812-r0 | Not reported | ALPINE-CVE-2025-21090 | Not reported |
| Alpine | intel-ucode | apk | 3.24 | 20250812-r0 | Not reported | ALPINE-CVE-2025-21090 | Not reported |
| Ubuntu | intel-microcode | deb | pro | 3.20250812.0ubuntu0.20.04.1+esm1 | Not reported | UBUNTU-CVE-2025-21090 | Not reported |
| Ubuntu | intel-microcode | deb | 22.04 | 3.20250812.0ubuntu0.22.04.1 | Not reported | UBUNTU-CVE-2025-21090 | Not reported |
| Ubuntu | intel-microcode | deb | 24.04 | 3.20250812.0ubuntu0.24.04.1 | Not reported | UBUNTU-CVE-2025-21090 | Not reported |
| Ubuntu | intel-microcode | deb | 25.10 | 3.20250812.0ubuntu0.25.10.1 | Not reported | UBUNTU-CVE-2025-21090 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [intel-microcode]Fixed
Details (1)
3.20251111.1~deb12u1· amd64 · bookwormFixed · Fixed:
3.20250812.1~deb12u1usn · intel-microcode · debian · bookworm; usn · intel-microcode · debian · 12
[Debian 13 (Trixie)]
- [intel-microcode]Fixed
Details (1)
3.20251111.1~deb13u1· amd64 · trixieFixed · Fixed:
3.20250812.1~deb13u1usn · intel-microcode · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/ALPINE-CVE-2025-21090]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2025-21090]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2025-21090]
- [https://security-tracker.debian.org/tracker/CVE-2025-21090]
- [https://ubuntu.com/security/notices/USN-7866-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1785.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Ubuntu Security Notices (USN)]