CVE-2024-56590: linux kernel Buffer Overflow — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix not checking skb length on hci_acldata_packet This fixes not checking if skb really contains an ACL header otherwise the code may attempt to access some uninitilized/invalid memory past the valid skb->data.

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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-120 CWE-120

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 5.15.174
linux	linux_kernel	5.16 — 6.1.120
linux	linux_kernel	6.2 — 6.6.66
linux	linux_kernel	6.7 — 6.12.5

References

Advisories & Patches

https://git.kernel.org/stable/c/219960a48771b35a3857a491b955c31d6c33d581 https://git.kernel.org/stable/c/3fe288a8214e7dd784d1f9b7c9e448244d316b47 https://git.kernel.org/stable/c/559b1c7ac2e212a23b3833d3baf3bd957771d02e https://git.kernel.org/stable/c/5e50d12cc6e95e1fde08f5db6992b616f714b0fb https://git.kernel.org/stable/c/93a6160dc198ffe5786da8bd8588cfd17f53b29a

Other References

https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html

Frequently Asked Questions

What is CVE-2024-56590? +

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix not checking skb length on hci_acldata_packet This fixes not checking if skb really contains an ACL header otherwise the code may attempt to access some uninitilized/invalid memory past the valid skb->data. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-56590? +

CVE-2024-56590 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-2024-56590? +

CVE-2024-56590 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-2024-56590? +

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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