High 7.3Published Mar 6, 2025

CVE-2025-21830landlock: Handle weird files

Updated under an hour ago (Oct 27, 2026, 8:00 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from cb2c7d1a1776057c9a1f48ed1250d85e94d4850d before a1fccf6b72b56343dd4f2d96b008147f9951eebd; from cb2c7d1a1776057c9a1f48ed1250d85e94d4850d before 7d6121228959ddf44a4b9b6a177384ac7854e2f9; from cb2c7d1a1776057c9a1f48ed1250d85e94d4850d before 39bb3d56f1c351e76bb18895d0e73796e653d5c1; from cb2c7d1a1776057c9a1f48ed1250d85e94d4850d before 2569e65d2eb6ac1afe6cb6dfae476afee8b6771a; from cb2c7d1a1776057c9a1f48ed1250d85e94d4850d before 0fde195a373ab1267e60baa9e1a703a97e7464cd; from cb2c7d1a1776057c9a1f48ed1250d85e94d4850d before 49440290a0935f428a1e43a5ac8dc275a647ff80	CNA record
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name)	all versions	CISA ADP
linux linux_kernel linux:linux_kernel	from 5.13 before 5.15.179; from 5.16 before 6.1.129; from 6.2 before 6.6.76; from 6.7 before 6.12.13; from 6.13 before 6.13.2	NVD

References

References

https://git.kernel.org/stable/c/a1fccf6b72b56343dd4f2d96b008147f9951eebd	patch
https://git.kernel.org/stable/c/7d6121228959ddf44a4b9b6a177384ac7854e2f9	patch
https://git.kernel.org/stable/c/39bb3d56f1c351e76bb18895d0e73796e653d5c1	patch
https://git.kernel.org/stable/c/2569e65d2eb6ac1afe6cb6dfae476afee8b6771a	patch
https://git.kernel.org/stable/c/0fde195a373ab1267e60baa9e1a703a97e7464cd	patch
https://git.kernel.org/stable/c/49440290a0935f428a1e43a5ac8dc275a647ff80	patch
https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
https://cert-portal.siemens.com/productcert/html/ssa-784472.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.