7.8
HIGH
CVE-2024-44940
Linux kernel Fou GRO Receive Buffer Overflow Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: fou: remove warn in gue_gro_receive on unsupported protocol Drop the WARN_ON_ONCE inn gue_gro_receive if the encapsulated type is not known or does not have a GRO handler. Such a packet is easily constructed. Syzbot generates them and sets off this warning. Remove the warning as it is expected and not actionable. The warning was previously reduced from WARN_ON to WARN_ON_ONCE in commit 270136613bf7 ("fou: Do WARN_ON_ONCE in gue_gro_receive for bad proto callbacks").

INFO

Published Date :

Aug. 26, 2024, 12:15 p.m.

Last Modified :

Sept. 12, 2024, 2:10 p.m.

Source :

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

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2024-44940 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
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-2024-44940.

URL Resource
https://git.kernel.org/stable/c/3db4395332e7050ef9ddeb3052e6b5019f2a2a59 Patch
https://git.kernel.org/stable/c/440ab7f97261bc28501636a13998e1b1946d2e79 Patch
https://git.kernel.org/stable/c/5a2e37bc648a2503bf6d687aed27b9f4455d82eb Issue Tracking
https://git.kernel.org/stable/c/dd89a81d850fa9a65f67b4527c0e420d15bf836c Patch

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).

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

The following list is the news that have been mention CVE-2024-44940 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-44940 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.

  • Initial Analysis by [email protected]

    Sep. 12, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://git.kernel.org/stable/c/3db4395332e7050ef9ddeb3052e6b5019f2a2a59 No Types Assigned https://git.kernel.org/stable/c/3db4395332e7050ef9ddeb3052e6b5019f2a2a59 Patch
    Changed Reference Type https://git.kernel.org/stable/c/440ab7f97261bc28501636a13998e1b1946d2e79 No Types Assigned https://git.kernel.org/stable/c/440ab7f97261bc28501636a13998e1b1946d2e79 Patch
    Changed Reference Type https://git.kernel.org/stable/c/5a2e37bc648a2503bf6d687aed27b9f4455d82eb No Types Assigned https://git.kernel.org/stable/c/5a2e37bc648a2503bf6d687aed27b9f4455d82eb Issue Tracking
    Changed Reference Type https://git.kernel.org/stable/c/dd89a81d850fa9a65f67b4527c0e420d15bf836c No Types Assigned https://git.kernel.org/stable/c/dd89a81d850fa9a65f67b4527c0e420d15bf836c Patch
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.6.47 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.10.6
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 29, 2024

    Action Type Old Value New Value
    Added Reference kernel.org https://git.kernel.org/stable/c/5a2e37bc648a2503bf6d687aed27b9f4455d82eb [No types assigned]
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 26, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: fou: remove warn in gue_gro_receive on unsupported protocol Drop the WARN_ON_ONCE inn gue_gro_receive if the encapsulated type is not known or does not have a GRO handler. Such a packet is easily constructed. Syzbot generates them and sets off this warning. Remove the warning as it is expected and not actionable. The warning was previously reduced from WARN_ON to WARN_ON_ONCE in commit 270136613bf7 ("fou: Do WARN_ON_ONCE in gue_gro_receive for bad proto callbacks").
    Added Reference kernel.org https://git.kernel.org/stable/c/3db4395332e7050ef9ddeb3052e6b5019f2a2a59 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/440ab7f97261bc28501636a13998e1b1946d2e79 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/dd89a81d850fa9a65f67b4527c0e420d15bf836c [No types assigned]
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-44940 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-2024-44940 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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Integrity
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