5.5
MEDIUM CVSS 3.1
CVE-2024-56681
crypto: bcm - add error check in the ahash_hmac_init function
Description

In the Linux kernel, the following vulnerability has been resolved: crypto: bcm - add error check in the ahash_hmac_init function The ahash_init functions may return fails. The ahash_hmac_init should not return ok when ahash_init returns error. For an example, ahash_init will return -ENOMEM when allocation memory is error.

INFO

Published Date :

Dec. 28, 2024, 10:15 a.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-2024-56681 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
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
Address the vulnerability by updating the affected packages and kernel.
  • Update the affected packages.
  • Update the affected kernel package.
Public PoC/Exploit Available at Github

CVE-2024-56681 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-56681 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-2024-56681 weaknesses.

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).

None

JavaScript

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-2024-56681 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-56681 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
    Added Reference https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
  • Initial Analysis by [email protected]

    Oct. 07, 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 NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.12 up to (excluding) 6.12.2 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.11.11 *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 from (including) 5.11 up to (excluding) 5.15.174 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.231 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.64 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.11 up to (excluding) 4.19.325 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.287
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/05f0a3f5477ecaa1cf46448504afe9e7c2e96fcc Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/19630cf57233e845b6ac57c9c969a4888925467b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/28f8ffa945f7d7150463e15097ea73b19529d6f5 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/4ea3e3b761e371102bb1486778e2f8dbc9e37413 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/75e1e38e5d80d6d9011b7322698ffba3dd3db30a Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/8f1a9a960b1107bd0e0ec3736055f5ed0e717edf Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ae5253313e0ea5f00c06176074592b7f493c8546 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/bba9e38c5ad41d0a88b22a59e5b6dd3e31825118 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ee36db8e8203420e6d5c42eb9428920c2fc36532 Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Dec. 28, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: crypto: bcm - add error check in the ahash_hmac_init function The ahash_init functions may return fails. The ahash_hmac_init should not return ok when ahash_init returns error. For an example, ahash_init will return -ENOMEM when allocation memory is error.
    Added Reference https://git.kernel.org/stable/c/05f0a3f5477ecaa1cf46448504afe9e7c2e96fcc
    Added Reference https://git.kernel.org/stable/c/19630cf57233e845b6ac57c9c969a4888925467b
    Added Reference https://git.kernel.org/stable/c/28f8ffa945f7d7150463e15097ea73b19529d6f5
    Added Reference https://git.kernel.org/stable/c/4ea3e3b761e371102bb1486778e2f8dbc9e37413
    Added Reference https://git.kernel.org/stable/c/75e1e38e5d80d6d9011b7322698ffba3dd3db30a
    Added Reference https://git.kernel.org/stable/c/8f1a9a960b1107bd0e0ec3736055f5ed0e717edf
    Added Reference https://git.kernel.org/stable/c/ae5253313e0ea5f00c06176074592b7f493c8546
    Added Reference https://git.kernel.org/stable/c/bba9e38c5ad41d0a88b22a59e5b6dd3e31825118
    Added Reference https://git.kernel.org/stable/c/ee36db8e8203420e6d5c42eb9428920c2fc36532
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