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Vulnerabilities

Vulnerability · 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 t

Published Oct 28, 2025 · catalog updated May 11, 2026 · Linux Linux

Open the advisory

Exploitation likelihood is not on this record for CVE-2025-40077. A missing EPSS score is not a low risk. Compare Linux Linux with the linked advisory before you change production.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
None0.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Not in the current FIRST EPSS dataset
Remediation
Version ranges on file
Affected products
vendor Linux Linux 3265d3db1f16395cfc6b8ea9b31b4001d98d05ef <0e75a098b0a37f02ca31fe99ac16004c8163cf67

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linux Linux 3265d3db1f16395cfc6b8ea9b31b4001d98d05ef <0e75a098b0a37f02ca31fe99ac16004c8163cf673265d3db1f16395cfc6b8ea9b31b4001d98d05ef <0e75a098b0a37f02ca31fe99ac16004c8163cf67

How to fix CVE-2025-40077

  • Recommended remediation

    Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for CVE-2025-40077. A missing EPSS score is not a low risk. Compare Linux Linux with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with Linux Linux 3265d3db1f16395cfc6b8ea9b31b4001d98d05ef <0e75a098b0a37f02ca31fe99ac16004c8163cf67 3265d3db1f16395cfc6b8ea9b31b4001d98d05ef <0e75a098b0a37f02ca31fe99ac16004c8163cf67. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS is absent from the current FIRST dataset. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 28, 2025 · EUVD

    Detected

    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.

  2. May 11, 2026 · EUVD

    Updated

    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.

Sources

  • EUVDVulnerability recordEUVD-2025-36451

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.