CVE-2026-53178
Received Received - Intake
Bounds Check Failure in Linux Kernel RTL8723BS WiFi Driver

Publication date: 2026-06-25

Last updated on: 2026-06-25

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction Add guards to ensure ie_length is large enough before subtracting fixed IE offsets to prevent unsigned integer underflow.
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Meta Information
Published
2026-06-25
Last Modified
2026-06-25
Generated
2026-06-25
AI Q&A
2026-06-25
EPSS Evaluated
N/A
NVD
CVE-2026-53178
EUVD
EUVD-2026-39269
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux kernel *
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Exploitability
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability in the Linux kernel's rtl8723bs staging driver involves a lack of proper bounds checking before subtracting the ie_length value. Without these checks, an unsigned integer underflow could occur when calculating IE offsets.

The issue was fixed by adding guards to ensure that ie_length is sufficiently large before performing the subtraction, preventing the underflow.

Impact Analysis

This vulnerability involves a lack of bounds checking in the Linux kernel's rtl8723bs driver, which could lead to an unsigned integer underflow. Such an issue may cause unexpected behavior or crashes in the affected component.

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