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Vulnerabilities CVE-2026-74341

CVE-2026-74341

None
Open
TLP:CLEAR

wifi: wcn36xx: fix heap overflow from oversized firmware HAL response

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Description

In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix heap overflow from oversized firmware HAL response The firmware response dispatcher copies all synchronous HAL responses into the 4096-byte hal_buf without validating the response length. A response exceeding WCN36XX_HAL_BUF_SIZE causes a heap buffer overflow with firmware-controlled content. Add a bounds check on the response length.

Details

EPSS Score
0.19%

9th percentile

Confidence
90%
Published
Aug 15, 2026
Last Modified
Aug 15, 2026
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