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.
CVE-2025-40077
UNRATEDCVSS · not yet scored
—
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No CVSS published and no exploitation signals yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS v2: —Exploit: None knownExposed: 0
A fix is available — apply it.
- CVSS v3
- —
- EchelonGraph score
- Not yet assessedNo source has published severity data for this CVE yet — no CVSS score from NVD or a CNA, no GitHub advisory, and it is not in CISA KEV. This is not a rating of zero; we cannot assess it yet.
- EG Score
- —
- EG Risk
- —
- EPSS PROB
- 0%
- EPSS %ILE
- 9%
- KEV
- Not listed
Published
October 28, 2025
Last Modified
April 15, 2026
References (4)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0e75a098b0a37f02ca31fe99ac16004c8163cf67
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0fe1c6bec54ea68ed8c987b3890f2296364e77bb
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/57d3381dfb97ff73ddd18601017fec21cca80985
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ef49378864bb1ed14cd48c8e687729e12714d849
Related CVEs
Related CVEs are temporarily unavailable — the same-product, same-vendor and same-CWE lists could not be loaded just now. That is not a sign that none exist; please retry shortly.
Frequently asked(4)
What is CVE-2025-40077?
CVE-2025-40077 is a publicly disclosed vulnerability published on October 28, 2025. 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 pgofft to lofft to avoid overflow while left shift operation.
When was CVE-2025-40077 disclosed?
CVE-2025-40077 was first published in the National Vulnerability Database on October 28, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-40077 actively exploited?
CVE-2025-40077 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 91.4% of all scored CVEs.
How do I remediate CVE-2025-40077?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-40077, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-40077
Is Your Infrastructure Affected by CVE-2025-40077?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.