CVE-2024-47721: wifi: rtw89: remove unused C2H event ID RTW89_MAC_C2H_FUNC_READ_WOW_CAM to prevent out-of-bounds reading
First published: Mon Oct 21 2024(Updated: )
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")
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.10<6.10.13 | |
| Linux Kernel | >=6.11<6.11.2 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
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Reference Links
- https://git.kernel.org/stable/c/10463308b9454f534d03300cf679bc4b3d078f46
- https://git.kernel.org/stable/c/2c9c2d1a20916589497a7facbea3e82cabec4ab8
- https://git.kernel.org/stable/c/56310ddb50b190b3390fdc974aec455d0a516bd2
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-47721
- https://nvd.nist.gov/vuln/detail/CVE-2024-47721
- https://launchpad.net/bugs/cve/CVE-2024-47721
- https://security-tracker.debian.org/tracker/CVE-2024-47721
- https://ubuntu.com/security/CVE-2024-47721
- https://git.kernel.org/linus/56310ddb50b190b3390fdc974aec455d0a516bd2
Frequently Asked Questions
What is the severity of CVE-2024-47721?
CVE-2024-47721 has a low severity since it involves an unused event ID that could lead to out-of-bounds reading.
How do I fix CVE-2024-47721?
To fix CVE-2024-47721, update your Linux kernel to versions 6.10.13 or later, or 6.11.2 or later.
Which Linux kernel versions are affected by CVE-2024-47721?
CVE-2024-47721 affects Linux kernel versions between 6.10 and 6.10.12, and between 6.11 and 6.11.1.
Is CVE-2024-47721 a remote vulnerability?
CVE-2024-47721 is not considered a remote vulnerability as it pertains to an internal kernel event handling.
What does CVE-2024-47721 involve in the Linux kernel?
CVE-2024-47721 involves the removal of an unused C2H event ID to prevent potential out-of-bounds reading issues.
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