CVE-2026-74341 — wifi: wcn36xx: fix heap overflow from oversized firmware HAL response
In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix heap overflow from oversized firmware HAL response The firmware response dispatcher copi…
Published: 2026-08-15 · CVSS: 8.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7