CVE-2025-21830
landlock: Handle weird files
Description
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.
INFO
Published Date :
March 6, 2025, 5:15 p.m.
Last Modified :
Nov. 3, 2025, 9:19 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to the latest available version.
- Rebuild and deploy the system with the patched kernel.
Public PoC/Exploit Available at Github
CVE-2025-21830 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-21830.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-21830 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-21830
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
discovered zero day/CVEs exploits on the nubia redmagic 9spro models, 9.06.2025
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-21830 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-21830 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 03, 2025
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html -
Initial Analysis by [email protected]
Oct. 29, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.13.2 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.76 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.13 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.129 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.13 up to (excluding) 5.15.179 Added Reference Type kernel.org: https://git.kernel.org/stable/c/0fde195a373ab1267e60baa9e1a703a97e7464cd Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/2569e65d2eb6ac1afe6cb6dfae476afee8b6771a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/39bb3d56f1c351e76bb18895d0e73796e653d5c1 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/49440290a0935f428a1e43a5ac8dc275a647ff80 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7d6121228959ddf44a4b9b6a177384ac7854e2f9 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/a1fccf6b72b56343dd4f2d96b008147f9951eebd Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Mar. 13, 2025
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/a1fccf6b72b56343dd4f2d96b008147f9951eebd -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Mar. 06, 2025
Action Type Old Value New Value Added Description 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. Added Reference https://git.kernel.org/stable/c/0fde195a373ab1267e60baa9e1a703a97e7464cd Added Reference https://git.kernel.org/stable/c/2569e65d2eb6ac1afe6cb6dfae476afee8b6771a Added Reference https://git.kernel.org/stable/c/39bb3d56f1c351e76bb18895d0e73796e653d5c1 Added Reference https://git.kernel.org/stable/c/49440290a0935f428a1e43a5ac8dc275a647ff80 Added Reference https://git.kernel.org/stable/c/7d6121228959ddf44a4b9b6a177384ac7854e2f9