CVE-2023-53476
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-01

Last updated on: 2025-10-02

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: iw_cxgb4: Fix potential NULL dereference in c4iw_fill_res_cm_id_entry() This condition needs to match the previous "if (epcp->state == LISTEN) {" exactly to avoid a NULL dereference of either "listen_ep" or "ep". The problem is that "epcp" has been re-assigned so just testing "if (epcp->state == LISTEN) {" a second time is not sufficient.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-10-01
Last Modified
2025-10-02
Generated
2026-05-07
AI Q&A
2025-10-01
EPSS Evaluated
2026-05-05
NVD
CVE-2023-53476
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a potential NULL pointer dereference in the Linux kernel's iw_cxgb4 driver, specifically in the function c4iw_fill_res_cm_id_entry(). The issue arises because a condition checking the state of 'epcp' is not properly matched after 'epcp' has been reassigned, which can lead to dereferencing a NULL pointer for 'listen_ep' or 'ep'.


How can this vulnerability impact me? :

The impact of this vulnerability could be a kernel crash or system instability due to a NULL pointer dereference, potentially leading to denial of service or other unintended behavior in systems using the affected Linux kernel driver.


Ask Our AI Assistant
Need more information? Ask your question to get an AI reply (Powered by our expertise)
0/70
EPSS Chart