CVE-2026-53154: mm/hugetlb: restore reservation on error in hugetlb folio copy paths
CSIRTS triage
- What
- The vulnerability involves restoring reservation on error in hugetlb folio copy paths.
- Who is affected
- Deployments using hugetlb memory management.
- Urgency
- Remediation is medium urgency due to the medium severity rating.
- Action
- Apply the patch to address the error handling in hugetlb.
AI-assisted analysis generated from the source advisory — verify against the original.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53154
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-2026-531540.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-53154 | coverage & exploitation status | NVD · CVE.org |
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