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5.5
MEDIUM CVSS 3.1
CVE-2024-56590
Bluetooth: hci_core: Fix not checking skb length on hci_acldata_packet
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.

INFO

Published Date :

Dec. 27, 2024, 3:15 p.m.

Last Modified :

Nov. 3, 2025, 9:18 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2024-56590 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
To address the Bluetooth HCI core buffer overflow, update Linux packages.
  • Update the affected Linux packages.
  • Reboot the system if required.
Public PoC/Exploit Available at Github

CVE-2024-56590 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2024-56590.

URL Resource
https://git.kernel.org/stable/c/219960a48771b35a3857a491b955c31d6c33d581 Patch
https://git.kernel.org/stable/c/3fe288a8214e7dd784d1f9b7c9e448244d316b47 Patch
https://git.kernel.org/stable/c/559b1c7ac2e212a23b3833d3baf3bd957771d02e Patch
https://git.kernel.org/stable/c/5e50d12cc6e95e1fde08f5db6992b616f714b0fb Patch
https://git.kernel.org/stable/c/93a6160dc198ffe5786da8bd8588cfd17f53b29a Patch
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-56590 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-56590 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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cku-heise/euvd-api-doc

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Updated: 1 month, 2 weeks ago
5 stars 2 fork 2 watcher
Born at : April 16, 2025, 1:43 p.m. This repo has been linked 280 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-56590 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2024-56590 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 03, 2025

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
  • Initial Analysis by [email protected]

    Sep. 23, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-120
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.5 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.66 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.120 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.15.174
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/219960a48771b35a3857a491b955c31d6c33d581 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/3fe288a8214e7dd784d1f9b7c9e448244d316b47 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/559b1c7ac2e212a23b3833d3baf3bd957771d02e Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/5e50d12cc6e95e1fde08f5db6992b616f714b0fb Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/93a6160dc198ffe5786da8bd8588cfd17f53b29a Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Dec. 27, 2024

    Action Type Old Value New Value
    Added 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.
    Added Reference https://git.kernel.org/stable/c/219960a48771b35a3857a491b955c31d6c33d581
    Added Reference https://git.kernel.org/stable/c/3fe288a8214e7dd784d1f9b7c9e448244d316b47
    Added Reference https://git.kernel.org/stable/c/559b1c7ac2e212a23b3833d3baf3bd957771d02e
    Added Reference https://git.kernel.org/stable/c/5e50d12cc6e95e1fde08f5db6992b616f714b0fb
    Added Reference https://git.kernel.org/stable/c/93a6160dc198ffe5786da8bd8588cfd17f53b29a
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact