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CVE-2025-22839 is a privilege-escalation vulnerability in the Out of Band Management Service Module (OOB-MSM) for some Intel(R) Xeon(R) 6 Scalable processors, specifically reported for Birch Stream platform CPU IDs A06D1, A06E1, and A06F3. The flaw is described as insufficient granularity of access control within OOB-MSM, a hardware-level out-of-band management component. Because access controls are not sufficiently fine-grained, a privileged attacker with adjacent access may be able to perform actions beyond their intended authorization boundary and escalate privileges within the management context. The issue is tracked by Intel as INTEL-SA-01310.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.