CVE-2025-37849
CSIRTS triage
- What
- KVM on ARM64 fails to properly tear down virtual GIC when vCPU creation fails, causing resource leaks and crashes.
- Who is affected
- Linux systems running KVM on ARM64 processors.
- Urgency
- High priority; CVSS 7.8 indicates serious impact; failed vCPU creation can destabilize the host.
- Action
- Apply kernel patch to ensure vGIC teardown completes properly on ARM64 vCPU creation failures.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2025-37849: KVM: arm64: Tear down vGIC on failed vCPU creationmsrc · 2026-08-06
External references
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