CVE-2024-35850: linux kernel Null Dereference — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: fix NULL-deref on non-serdev setup Qualcomm ROME controllers can be registered from the Bluetooth line discipline and in this case the HCI UART serdev pointer is NULL. Add the missing sanity check to prevent a NULL-pointer dereference when setup() is called for a non-serdev controller.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.2 — 6.6.30
linux	linux_kernel	6.7 — 6.8.9
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/67459f1a707aae6d590454de07956c2752e21ea4 https://git.kernel.org/stable/c/7ddb9de6af0f1c71147785b12fd7c8ec3f06cc86 https://git.kernel.org/stable/c/bec4d4c6fa5c6526409f582e4f31144e20c86c21 https://git.kernel.org/stable/c/67459f1a707aae6d590454de07956c2752e21ea4 https://git.kernel.org/stable/c/7ddb9de6af0f1c71147785b12fd7c8ec3f06cc86 https://git.kernel.org/stable/c/bec4d4c6fa5c6526409f582e4f31144e20c86c21

Frequently Asked Questions

What is CVE-2024-35850? +

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: fix NULL-deref on non-serdev setup Qualcomm ROME controllers can be registered from the Bluetooth line discipline and in this case the HCI UART serdev pointer is NULL. Add the missing sanity check to prevent a NULL-pointer dereference when setup() is called for a non-serdev controller. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-35850? +

CVE-2024-35850 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-35850? +

CVE-2024-35850 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-35850? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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