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CVE-2025-38653
Linux Kernel Use-After-Free (UAF) Vulnerability in proc
Description

In the Linux kernel, the following vulnerability has been resolved: proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al Check pde->proc_ops->proc_lseek directly may cause UAF in rmmod scenario. It's a gap in proc_reg_open() after commit 654b33ada4ab("proc: fix UAF in proc_get_inode()"). Followed by AI Viro's suggestion, fix it in same manner.

INFO

Published Date :

Aug. 22, 2025, 4:15 p.m.

Last Modified :

Aug. 22, 2025, 6:08 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2025-38653 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
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-2025-38653.

URL Resource
https://git.kernel.org/stable/c/1fccbfbae1dd36198dc47feac696563244ad81d3
https://git.kernel.org/stable/c/33c778ea0bd0fa62ff590497e72562ff90f82b13
https://git.kernel.org/stable/c/c35b0feb80b48720dfbbf4e33759c7be3faaebb6
https://git.kernel.org/stable/c/d136502e04d8853a9aecb335d07bbefd7a1519a8
https://git.kernel.org/stable/c/fc1072d934f687e1221d685cf1a49a5068318f34
https://git.kernel.org/stable/c/ff7ec8dc1b646296f8d94c39339e8d3833d16c05
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-38653 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-2025-38653 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-2025-38653 vulnerability anywhere in the article.

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

The following table lists the changes that have been made to the CVE-2025-38653 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.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 22, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al Check pde->proc_ops->proc_lseek directly may cause UAF in rmmod scenario. It's a gap in proc_reg_open() after commit 654b33ada4ab("proc: fix UAF in proc_get_inode()"). Followed by AI Viro's suggestion, fix it in same manner.
    Added Reference https://git.kernel.org/stable/c/1fccbfbae1dd36198dc47feac696563244ad81d3
    Added Reference https://git.kernel.org/stable/c/33c778ea0bd0fa62ff590497e72562ff90f82b13
    Added Reference https://git.kernel.org/stable/c/c35b0feb80b48720dfbbf4e33759c7be3faaebb6
    Added Reference https://git.kernel.org/stable/c/d136502e04d8853a9aecb335d07bbefd7a1519a8
    Added Reference https://git.kernel.org/stable/c/fc1072d934f687e1221d685cf1a49a5068318f34
    Added Reference https://git.kernel.org/stable/c/ff7ec8dc1b646296f8d94c39339e8d3833d16c05
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.