CVE-2025-22840 — Sequence of Processor Instructions Leads to Unexpected Behavior in Intel-microcode

CWE-1281 — Sequence of Processor Instructions Leads to Unexpected Behavior6 documents5 sources
Severity
5.3MEDIUMNVD
OSV7.0
EPSS
0.0%
top 99.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Debian Intel-microcode
Timeline
PublishedAug 12
Latest updateNov 10

Description

Sequence of processor instructions leads to unexpected behavior for some Intel(R) Xeon(R) 6 Scalable processors may allow an authenticated user to potentially enable escalation of privilege via local access

CVSS vector

CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

Affected Packages1 packages

▶debiandebian/intel-microcode< intel-microcode 3.20250812.1~deb12u1 (bookworm)

🔴Vulnerability Details

3
OSV
intel-microcode vulnerabilities↗2025-11-10
▶
GHSA
GHSA-rv9h-cmwh-r8m5: Sequence of processor instructions leads to unexpected behavior for some Intel(R) Xeon(R) 6 Scalable processors may allow an authenticated user to pot↗2025-08-12
▶
OSV
CVE-2025-22840: Sequence of processor instructions leads to unexpected behavior for some Intel(R) Xeon(R) 6 Scalable processors may allow an authenticated user to pot↗2025-08-12
▶

📋Vendor Advisories

2
Ubuntu
Intel Microcode vulnerabilities↗2025-11-10
▶
Debian
CVE-2025-22840: intel-microcode - Sequence of processor instructions leads to unexpected behavior for some Intel(R...↗2025
▶