0.0
NA
CVE-2025-38461
Linux Kernel vsock TOCTOU Race Condition Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: vsock: Fix transport_* TOCTOU Transport assignment may race with module unload. Protect new_transport from becoming a stale pointer. This also takes care of an insecure call in vsock_use_local_transport(); add a lockdep assert. BUG: unable to handle page fault for address: fffffbfff8056000 Oops: Oops: 0000 [#1] SMP KASAN RIP: 0010:vsock_assign_transport+0x366/0x600 Call Trace: vsock_connect+0x59c/0xc40 __sys_connect+0xe8/0x100 __x64_sys_connect+0x6e/0xc0 do_syscall_64+0x92/0x1c0 entry_SYSCALL_64_after_hwframe+0x4b/0x53

INFO

Published Date :

July 25, 2025, 4:15 p.m.

Last Modified :

July 29, 2025, 2:14 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2025-38461 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
Follow the instructions below to mitigate the CVE-2025-38461 vulnerability.
Upgrade the affs-modules-6.1.0-37-4kc-malta-di packages.
Public PoC/Exploit Available at Github

CVE-2025-38461 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-2025-38461.

URL Resource
https://git.kernel.org/stable/c/36a439049b34cca0b3661276049b84a1f76cc21a
https://git.kernel.org/stable/c/687aa0c5581b8d4aa87fd92973e4ee576b550cdf
https://git.kernel.org/stable/c/7b73bddf54777fb62d4d8c7729d0affe6df04477
https://git.kernel.org/stable/c/8667e8d0eb46bc54fdae30ba2f4786407d3d88eb
https://git.kernel.org/stable/c/9ce53e744f18e73059d3124070e960f3aa9902bf
https://git.kernel.org/stable/c/9d24bb6780282b0255b9929abe5e8f98007e2c6e
https://git.kernel.org/stable/c/ae2c712ba39c7007de63cb0c75b51ce1caaf1da5
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-38461 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-2025-38461 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).

Profile Photo
w4zu/Debian_security

DSA and DLA for Debian last 14 days

Python

Updated: 16 hours, 42 minutes ago
0 stars 0 fork 0 watcher
Born at : Feb. 12, 2025, 2:08 p.m. This repo has been linked 370 different CVEs too.

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

The following list is the news that have been mention CVE-2025-38461 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-2025-38461 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

    Jul. 25, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: vsock: Fix transport_* TOCTOU Transport assignment may race with module unload. Protect new_transport from becoming a stale pointer. This also takes care of an insecure call in vsock_use_local_transport(); add a lockdep assert. BUG: unable to handle page fault for address: fffffbfff8056000 Oops: Oops: 0000 [#1] SMP KASAN RIP: 0010:vsock_assign_transport+0x366/0x600 Call Trace: vsock_connect+0x59c/0xc40 __sys_connect+0xe8/0x100 __x64_sys_connect+0x6e/0xc0 do_syscall_64+0x92/0x1c0 entry_SYSCALL_64_after_hwframe+0x4b/0x53
    Added Reference https://git.kernel.org/stable/c/36a439049b34cca0b3661276049b84a1f76cc21a
    Added Reference https://git.kernel.org/stable/c/687aa0c5581b8d4aa87fd92973e4ee576b550cdf
    Added Reference https://git.kernel.org/stable/c/7b73bddf54777fb62d4d8c7729d0affe6df04477
    Added Reference https://git.kernel.org/stable/c/8667e8d0eb46bc54fdae30ba2f4786407d3d88eb
    Added Reference https://git.kernel.org/stable/c/9ce53e744f18e73059d3124070e960f3aa9902bf
    Added Reference https://git.kernel.org/stable/c/9d24bb6780282b0255b9929abe5e8f98007e2c6e
    Added Reference https://git.kernel.org/stable/c/ae2c712ba39c7007de63cb0c75b51ce1caaf1da5
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.