CVE-2025-40077

CVE-2025-40077 is a security vulnerability that is still awaiting full analysis and scoring. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid overflow while left shift operation Should cast type of folio->index from pgoff_t to loff_t to avoid overflow while left shift operation.

Frequently asked questions

What is CVE-2025-40077?
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid overflow while left shift operation Should cast type of folio->index from pgoff_t to loff_t to avoid overflow while left shift operation.
Is CVE-2025-40077 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-40077?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-40077 have an EU (EUVD) identifier?
Yes. CVE-2025-40077 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-36451.
When was CVE-2025-40077 published?
CVE-2025-40077 was published on 2025-10-28 and last updated on 2026-06-17.

References