CVE-2025-21830

7.3 HIGH 0.2% exploit odds Fix listed Other OS & kernel

What it is

In the Linux kernel, the following vulnerability has been resolved: landlock: Handle weird files A corrupted filesystem (e.g. bcachefs) might return weird files. Instead of throwing a warning and allowing access to such file, treat them as regular files.

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2025-03-06 17:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-15 22:18 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.2% in the next 30 days (EPSS).
Severity: 7.3 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2025-03-06 17:15 UTC
Last modified: 2026-10-15 22:18 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Record status: Modified

Affected

Linux Kernel < 5.15.179
Linux Kernel < 6.1.129
Linux Kernel < 6.6.76
Linux Kernel < 6.12.13
Linux Kernel < 6.13.2

Attack profile CVSS 3.1 · 7.3

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Changed
Confidentiality: None
Integrity: Low
Availability: High

Raw vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2025-21830.md and follow it. Check whether this project is affected by CVE-2025-21830. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record