CVE-2026-53063
CSIRTS triage
- What
- This vulnerability fixes a write hang in passthrough mode in dm cache.
- Who is affected
- Deployments using the affected dm cache functionality.
- Urgency
- Remediation is high urgency due to the high severity rating.
- Action
- Apply patches as soon as they are available.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2026-53063: dm cache: fix write hang in passthrough modemsrc · 2026-06-09
External references
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[](https://www.csirts.com/cve/CVE-2026-53063)