CVE-2026-46274: io-wq: check that the predecessor is hashed in io_wq_remove_pending()
CSIRTS triage
- What
- A check for predecessor hashing in io_wq_remove_pending() is missing.
- Who is affected
- Deployments using io-wq are affected.
- Urgency
- Remediation is urgent due to the high severity of the vulnerability (CVSS 7.8).
- Action
- Update io-wq to the latest version.
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-2026-46274
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-2026-462740.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-46274 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- high[UPDATE] [high] Linux Kernel: Multiple vulnerabilities allow denial of servicecert-bund
- unknownDebian Linux Kernel Multiple Vulnerabilitieshkcert
- unknownMultiple vulnerabilities in the Debian Linux kernel (June 26, 2026)cert-fr-avis
- unknownDSA-6355-1 linux - security updatedebian
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