CVE-2026-68396: scsi: core: wake eh reliably when using scsi_schedule_eh
CSIRTS triage
- What
- SCSI core eh wakeup mechanism is unreliable when using scsi_schedule_eh, leading to stalled error handling.
- Who is affected
- Systems running affected Linux kernel versions with SCSI devices.
- Urgency
- Medium severity (CVSS 5.5) DoS via error handler stall; kernel update needed to ensure reliable error handling.
- Action
- Update to a patched Linux kernel version that reliably wakes the error handler in scsi_schedule_eh.
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-2026-68396
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-2026-683960.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-68396 | coverage & exploitation status | NVD · CVE.org |
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