CVE-2024-43912: wifi: nl80211: disallow setting special AP channel widths
First published: Mon Aug 26 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: disallow setting special AP channel widths Setting the AP channel width is meant for use with the normal 20/40/... MHz channel width progression, and switching around in S1G or narrow channels isn't supported. Disallow that.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <6.1.105 | |
| Linux Kernel | >=6.2<6.6.46 | |
| Linux Kernel | >=6.7<6.10.5 | |
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.123-1 6.1.119-1 6.12.11-1 |
| debian/linux-6.1 | 6.1.119-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/23daf1b4c91db9b26f8425cc7039cf96d22ccbfe
- https://git.kernel.org/stable/c/3d42f2125f6c89e1e71c87b9f23412afddbba45e
- https://git.kernel.org/stable/c/ac3bf6e47fd8da9bfe8027e1acfe0282a91584fc
- https://git.kernel.org/stable/c/c6ea738e3feb407a3283197d9a25d0788f4f3cee
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-43912
- https://nvd.nist.gov/vuln/detail/CVE-2024-43912
- https://launchpad.net/bugs/cve/CVE-2024-43912
- https://security-tracker.debian.org/tracker/CVE-2024-43912
- https://ubuntu.com/security/CVE-2024-43912
- https://git.kernel.org/linus/23daf1b4c91db9b26f8425cc7039cf96d22ccbfe
Frequently Asked Questions
What is the severity of CVE-2024-43912?
CVE-2024-43912 has a severity rating that indicates a potential impact on the security of affected systems using the Linux kernel.
How do I fix CVE-2024-43912?
To fix CVE-2024-43912, update your Linux kernel to the latest versions like 6.1.123-1, 6.1.119-1, or 6.12.11-1.
Which versions of Linux are affected by CVE-2024-43912?
CVE-2024-43912 affects various versions of the Linux kernel, specifically those below 6.1.105 and between 6.2 and 6.10.5.
What specific feature is involved in CVE-2024-43912?
CVE-2024-43912 involves the nl80211 feature related to restricting the setting of special access point channel widths.
What types of systems are impacted by CVE-2024-43912?
Systems running affected versions of the Linux kernel, particularly in wireless networking configurations, are impacted by CVE-2024-43912.
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