CVE-2025-21830
High
landlock: Handle weird files
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.
Exploit probability
0.2%
Published
March 6, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2025-21830
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/0fde195a373ab1267e60baa9e1a703a97e7464cd
- https://git.kernel.org/stable/c/2569e65d2eb6ac1afe6cb6dfae476afee8b6771a
- https://git.kernel.org/stable/c/39bb3d56f1c351e76bb18895d0e73796e653d5c1
- https://git.kernel.org/stable/c/49440290a0935f428a1e43a5ac8dc275a647ff80
- https://git.kernel.org/stable/c/7d6121228959ddf44a4b9b6a177384ac7854e2f9
- https://git.kernel.org/stable/c/a1fccf6b72b56343dd4f2d96b008147f9951eebd
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21830.json
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-21830