CVE-2026-46122

kernel: wifi: b43: enforce bounds check on firmware key index in b43_rx()

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · May 28, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's b43 Wi-Fi driver. A remote attacker could exploit this vulnerability by providing a specially crafted firmware key index that exceeds the allocated array size in the b43_rx() function. This out-of-bounds read could lead to information disclosure, potentially revealing sensitive data from kernel memory.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-125 · Out-of-bounds Read