CVE-2023-53540
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-04

Last updated on: 2026-04-06

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: reject auth/assoc to AP with our address If the AP uses our own address as its MLD address or BSSID, then clearly something's wrong. Reject such connections so we don't try and fail later.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-10-04
Last Modified
2026-04-06
Generated
2026-06-16
AI Q&A
2025-10-04
EPSS Evaluated
2026-06-15
NVD
CVE-2023-53540
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.2 (inc) to 6.5.5 (exc)
linux linux_kernel From 2.6.32 (inc) to 6.1.55 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability in the Linux kernel's wifi subsystem (cfg80211) involves accepting authentication or association requests to an access point (AP) that uses the device's own address as its MLD address or BSSID. This is an incorrect scenario, and the vulnerability was that such connections were not properly rejected, potentially causing connection failures later. The fix ensures that such connections are rejected immediately.

Impact Analysis

If an AP uses the device's own address as its MLD address or BSSID, the device might attempt to connect and fail later, causing connectivity issues or degraded wifi performance. Rejecting such connections prevents these failures and improves network stability.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2023-53540. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart