[UPDATE] [high] AMD ARM and EPYC processors: Multiple vulnerabilities

A local attacker can exploit multiple vulnerabilities in AMD ARM and EPYC processors to bypass security measures and manipulate data.

CSIRTS triage

What: Multiple vulnerabilities allow a local attacker to bypass security measures and manipulate data.
Who is affected: Users of AMD ARM and EPYC processors are affected.
Urgency: Remediation is urgent due to the high severity of the vulnerabilities.
Action: Apply firmware updates from AMD.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch ARM and EPYC processors

Get an email when a new ARM and EPYC processors advisory drops — max one per day, one-click unsubscribe.

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2025-102630.57% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 45% of all EPSS-scored CVEs.
Low exploitation riskCVE-2025-545090.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.

CVE	CSIRTS overview	External
CVE-2025-10263	coverage & exploitation status	NVD · CVE.org
CVE-2025-54509	coverage & exploitation status	NVD · CVE.org

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.