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CVE-2025-40333
Apache Linux Kernel Infinite Loop
Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix infinite loop in __insert_extent_tree() When we get wrong extent info data, and look up extent_node in rb tree, it will cause infinite loop (CONFIG_F2FS_CHECK_FS=n). Avoiding this by return NULL and print some kernel messages in that case.

INFO

Published Date :

Dec. 9, 2025, 6:28 a.m.

Last Modified :

Dec. 9, 2025, 6:28 a.m.

Remotely Exploit :

No

Source :

None
Affected Products

The following products are affected by CVE-2025-40333 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Address an infinite loop in the f2fs module by returning NULL on incorrect extent data.
  • Apply the kernel patch for f2fs.
  • Update the Linux kernel.
  • Enable CONFIG_F2FS_CHECK_FS if possible.
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-2025-40333.

URL Resource
https://git.kernel.org/stable/c/765f8816d3959ef1f3f7f85e2af748594d091f40
https://git.kernel.org/stable/c/c0b9951bb2668d67eb4817bb23fc109abc08c075
https://git.kernel.org/stable/c/f4c31adcb2a0556f43776d4e51a67de88d7fb9ee
https://git.kernel.org/stable/c/23361bd54966b437e1ed3eb1a704572f4b279e58
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-40333 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-2025-40333 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).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-40333 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.