CVE-2023-53203
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-15

Last updated on: 2025-12-04

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: rely on mt76_connac2_mac_tx_rate_val In order to fix a possible NULL pointer dereference in mt7996_mac_write_txwi() of vif pointer, export mt76_connac2_mac_tx_rate_val utility routine and reuse it in mt7996 driver.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-09-15
Last Modified
2025-12-04
Generated
2026-06-16
AI Q&A
2025-09-15
EPSS Evaluated
2026-06-15
NVD
CVE-2023-53203
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 6.2 (inc) to 6.2.3 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a possible NULL pointer dereference in the Linux kernel's mt7996 driver, specifically in the function mt7996_mac_write_txwi() related to the vif pointer. The issue was addressed by exporting and reusing the mt76_connac2_mac_tx_rate_val utility routine to prevent the NULL pointer dereference.

Impact Analysis

A NULL pointer dereference in the kernel can cause system instability or crashes, potentially leading to denial of service or unexpected behavior in wireless networking functionality on affected devices using the mt7996 driver.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2023-53203. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart