Alpaquita LinuxStreamSecurity Advisory
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CVE-2025-22839

Published: August 14, 2025Last modified: August 25, 2025

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.

Severity score breakdown

ParameterValue
Base score7.5
Attack VectorADJACENT_NETWORK
Attack complexityHIGH
Privileges requiredHIGH
User interactionNONE
ScopeCHANGED
ConfidentialityHIGH
Integrity impactHIGH
Availability impactLOW
VectorCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSintel-ucodeFixed (20250812-r0)
25 LTSintel-ucodeFixed (20250812-r0)
Streamintel-ucodeFixed (20250812-r0)

References

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