CVE-2026-68132: super: fix emergency thaw deadlock on frozen block devices
CSIRTS triage
- What
- Emergency thaw operation on frozen block devices causes kernel deadlock.
- Who is affected
- Systems running affected Linux kernel versions with filesystem freeze/thaw operations.
- Urgency
- Critical severity with CVSS 9.8; deadlock prevents system recovery and causes denial of service.
- Action
- Apply Linux kernel patch resolving deadlock in emergency thaw path for frozen block devices.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68132
Exploitation outlook
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-2026-681320.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-68132 | coverage & exploitation status | NVD · CVE.org |
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