CVE-2024-46680
7.8 · HIGHOverview
CVE-2024-46680 is a high-severity vulnerability affecting linux linux_kernel. It was published on September 13, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: btnxpuart: Fix random crash seen while removing driver
This fixes the random kernel crash seen while removing the driver, when
running the load/unload test over multiple iterations.
1) modprobe btnxpuart
2) hciconfig hci0 reset
3) hciconfig (check hci0 interface up with valid BD address)
4) modprobe -r btnxpuart
Repeat steps 1 to 4
The ps_wakeup() call in btnxpuart_close() schedules the psdata->work(),
which gets scheduled after module is removed, causing a kernel crash.
This hidden issue got highlighted after enabling Power Save by default
in 4183a7be7700 (Bluetooth: btnxpuart: Enable Power Save feature on
startup)
The new ps_cleanup() deasserts UART break immediately while closing
serdev device, cancels any scheduled ps_work and destroys the ps_lock
mutex.
[ 85.884604] Unable to handle kernel paging request at virtual address ffffd4a61638f258
[ 85.884624] Mem abort info:
[ 85.884625] ESR = 0
Remediation
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linux | linux_kernel | >= 6.4, < 6.6.49 | Affected |
Frequently Asked Questions
What is CVE-2024-46680?
CVE-2024-46680 is a high-severity vulnerability affecting linux linux_kernel. It was published on September 13, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2024-46680?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2024-46680?
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2024-46680?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-46680 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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