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CVE-2023-53733
net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode
Description

In the Linux kernel, the following vulnerability has been resolved: net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode When u32_replace_hw_knode fails, we need to undo the tcf_bind_filter operation done at u32_set_parms.

INFO

Published Date :

Oct. 24, 2025, 12:15 p.m.

Last Modified :

Oct. 27, 2025, 1:20 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2023-53733 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
Apply kernel updates to fix a filter binding issue in the cls_u32 module.
  • Update the Linux kernel to the latest version.
  • Apply the provided patch for net: sched: cls_u32.
  • Verify the tcf_bind_filter operation integrity.
  • Reboot the system after applying changes.
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-2023-53733.

URL Resource
https://git.kernel.org/stable/c/025159ed118ba5145b241d574edadb0e00d3c20f
https://git.kernel.org/stable/c/9cb36faedeafb9720ac236aeae2ea57091d90a09
https://git.kernel.org/stable/c/a9345793469b65ee5ba7b033239916c2a67d3dd4
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-53733 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-2023-53733 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-2023-53733 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-2023-53733 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

    Oct. 24, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode When u32_replace_hw_knode fails, we need to undo the tcf_bind_filter operation done at u32_set_parms.
    Added Reference https://git.kernel.org/stable/c/025159ed118ba5145b241d574edadb0e00d3c20f
    Added Reference https://git.kernel.org/stable/c/9cb36faedeafb9720ac236aeae2ea57091d90a09
    Added Reference https://git.kernel.org/stable/c/a9345793469b65ee5ba7b033239916c2a67d3dd4
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.