CVE-2024-35856: linux kernel Double Free — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: mediatek: Fix double free of skb in coredump hci_devcd_append() would free the skb on error so the caller don't have to free it again otherwise it would cause the double free of skb. Reported-by : Dan Carpenter <[email protected]>

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CVSS v3.1 Score

7.8

HIGH

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

Weakness Type (CWE)

CWE-415 CWE-415

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.6 — 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/18bdb386a1a30e7a3d7732a98e45e69cf6b5710d https://git.kernel.org/stable/c/80dfef128cb9f1b1ef67c0fe8c8deb4ea7ad30c1 https://git.kernel.org/stable/c/e20093c741d8da9f6390dd45d75b779861547035 https://git.kernel.org/stable/c/18bdb386a1a30e7a3d7732a98e45e69cf6b5710d https://git.kernel.org/stable/c/80dfef128cb9f1b1ef67c0fe8c8deb4ea7ad30c1 https://git.kernel.org/stable/c/e20093c741d8da9f6390dd45d75b779861547035

Frequently Asked Questions

What is CVE-2024-35856? +

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: mediatek: Fix double free of skb in coredump hci_devcd_append() would free the skb on error so the caller don't have to free it again otherwise it would cause the double free of skb. Reported-by : Dan Carpenter <[email protected]> It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-35856? +

CVE-2024-35856 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-35856? +

CVE-2024-35856 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-2024-35856? +

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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