1. Home
  2. Vulnerabilities
  3. CVE-2025-68188
0.0
NA
CVE-2025-68188
tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()
Description

In the Linux kernel, the following vulnerability has been resolved: tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check() Use RCU to avoid a pair of atomic operations and a potential UAF on dst_dev()->flags.

INFO

Published Date :

Dec. 16, 2025, 2:15 p.m.

Last Modified :

Dec. 16, 2025, 2:15 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2025-68188 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
Update the Linux kernel to fix potential use-after-free issues.
  • Update the Linux kernel to the latest version.
  • Apply relevant patches for TCP.
  • Ensure RCU is used correctly in TCP.
  • Verify memory safety in network components.
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-2025-68188.

URL Resource
https://git.kernel.org/stable/c/06da08d9355bf8e2070459bbedbe372ccc02cc0e
https://git.kernel.org/stable/c/b62a59c18b692f892dcb8109c1c2e653b2abc95c
https://git.kernel.org/stable/c/bc2b881a0896c111c1041d8bb1f92a3b3873ace5
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-68188 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-2025-68188 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-2025-68188 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-2025-68188 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

    Dec. 16, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check() Use RCU to avoid a pair of atomic operations and a potential UAF on dst_dev()->flags.
    Added Reference https://git.kernel.org/stable/c/06da08d9355bf8e2070459bbedbe372ccc02cc0e
    Added Reference https://git.kernel.org/stable/c/b62a59c18b692f892dcb8109c1c2e653b2abc95c
    Added Reference https://git.kernel.org/stable/c/bc2b881a0896c111c1041d8bb1f92a3b3873ace5
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.