CVE-2025-22839 (CVSS 7.5)

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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L

Weakness Type (CWE)

CWE-1220 CWE-1220

References

Other References

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01310.html https://lists.debian.org/debian-lts-announce/2025/10/msg00027.html

Frequently Asked Questions

What is CVE-2025-22839? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-22839? +

CVE-2025-22839 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-22839? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-22839