CVE-2026-31626

Description

A flaw was found in the Linux kernel's rtl8723bs Wi-Fi driver. This vulnerability occurs within the rtw_BIP_verify() function, where a variable is not fully initialized, leaving two bytes with unpredictable values. This uninitialized data can lead to unpredictable system behavior, potentially resulting in a denial of service (DoS) or information disclosure.

Understanding the Weakness (CWE)

Confidentiality

Technical Impact: Read Memory; Read Application Data

When reusing a resource such as memory or a program variable, the original contents of that resource may not be cleared before it is sent to an untrusted party.

Availability

Technical Impact: DoS: Crash, Exit, or Restart

The uninitialized resource may contain values that cause program flow to change in ways that the programmer did not intend.

Frequently Asked Questions

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