Vulnerability · Published Aug 12, 2025 · Assigned by intel
CVE-2025-22839
High 7.5
In plain English
A high-severity security flaw in Intel(R) Xeon(R) 6 Scalable processors. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.2%top 90.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient granularity of access control in the OOB-MSM for some Intel(R) Xeon(R) 6 Scalable processors may allow a privileged user to potentially enable escalation of privilege via adjacent access.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | intel-ucode | 20250812-r0 | ALPINE-CVE-2025-22839 |
| Alpine:v3.21 | intel-ucode | 20250812-r0 | ALPINE-CVE-2025-22839 |
| Alpine:v3.22 | intel-ucode | 20250812-r0 | ALPINE-CVE-2025-22839 |
| Alpine:v3.23 | intel-ucode | 20250812-r0 | ALPINE-CVE-2025-22839 |
| Alpine:v3.24 | intel-ucode | 20250812-r0 | ALPINE-CVE-2025-22839 |
| Debian:12 | intel-microcode | 3.20250812.1~deb12u1 | DEBIAN-CVE-2025-22839 |
| Debian:12 | intel-microcode | 3.20250812.1~deb12u1 | DSA-6030-1 |
| Debian:13 | intel-microcode | 3.20250812.1~deb13u1 | DEBIAN-CVE-2025-22839 |
| Debian:13 | intel-microcode | 3.20250812.1~deb13u1 | DSA-6030-1 |
| Debian:14 | intel-microcode | 3.20250812.1 | DEBIAN-CVE-2025-22839 |
| Ubuntu:22.04:LTS | intel-microcode | 3.20250812.0ubuntu0.22.04.1 | USN-7866-1 |
| Ubuntu:22.04:LTS | intel-microcode | 3.20250812.0ubuntu0.22.04.1 | UBUNTU-CVE-2025-22839 |
| Ubuntu:24.04:LTS | intel-microcode | 3.20250812.0ubuntu0.24.04.1 | USN-7866-1 |
| Ubuntu:24.04:LTS | intel-microcode | 3.20250812.0ubuntu0.24.04.1 | UBUNTU-CVE-2025-22839 |
| Ubuntu:25.10 | intel-microcode | 3.20250812.0ubuntu0.25.10.1 | UBUNTU-CVE-2025-22839 |
| Ubuntu:25.10 | intel-microcode | 3.20250812.0ubuntu0.25.10.1 | USN-7866-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Intel(R) Xeon(R) 6 Scalable processors | See references |
Weakness: CWE-1220 · Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L