CVE-2026-53108
CSIRTS triage
- What
- This vulnerability involves a race condition during PMD migration entries unmapping.
- Who is affected
- Deployments using powerpc/64s architecture are affected.
- Urgency
- Remediation is critical due to the high severity rating of 9.8.
- Action
- Apply the patch for CVE-2026-53108.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalCVE-2026-53108: powerpc/64s: Fix unmap race with PMD migration entriesmsrc · 2026-06-09
External references
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[](https://www.csirts.com/cve/CVE-2026-53108)