What’s Vulnerable › Vulnerabilities

CVE-2024-47721: wifi: rtw89: remove unused C2H event ID RTW89_MAC_C2H_FUNC_READ_WOW_CAM to prevent out-of-bounds reading

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-21 · updated 2026-08-04
• Weakness: CWE-125

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: remove unused C2H event ID RTW89_MAC_C2H_FUNC_READ_WOW_CAM to prevent out-of-bounds reading The handler of firmware C2H event RTW89_MAC_C2H_FUNC_READ_WOW_CAM isn't implemented, but driver expects number of handlers is NUM_OF_RTW89_MAC_C2H_FUNC_WOW causing out-of-bounds access. Fix it by removing ID. Addresses-Coverity-ID: 1598775 ("Out-of-bounds read")

Affected products

• Linux kernel: from 6.10 before 6.10.13; from 6.11 before 6.11.2 — fixed in 6.10.13, 6.11.2

How to fix

Upgrade to a fixed version: Linux kernel 6.10.13, 6.11.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/10463308b9454f534d03300cf679bc4b3d078f46
• https://git.kernel.org/stable/c/2c9c2d1a20916589497a7facbea3e82cabec4ab8
• https://git.kernel.org/stable/c/56310ddb50b190b3390fdc974aec455d0a516bd2

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