CVE-2024-44940

High

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").

Package Linux Kernel
Published 2024-08-26
Last modified 2026-04-01
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

7.8

out of 10
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected versions

Linux kernel versions 3.18 and later are affected. Fixed in 5.10.234, 5.15.174, 6.1.107, 6.6.47, 6.10.6, 6.11 and their respective stable series.

Affected from
≥ 3.18
Fixed in
✓ 5.10.234 5.10.x ✓ 5.15.174 5.15.x ✓ 6.1.107 6.1.x ✓ 6.6.47 6.6.x ✓ 6.10.6 6.10.x ✓ 6.11

References

The following references provide additional information about CVE-2024-44940 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

6 patch commits total View all on NVD

Frequently asked questions

  • What is CVE-2024-44940?

    CVE-2024-44940 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 3.18 onward and has been patched in 5.10.234, 5.15.174, 6.1.107 and others. CVE-2024-44940 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2024-44940?

    CVE-2024-44940 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2024-44940?

    Yes — CVE-2024-44940 has been patched. Fixed versions include 5.10.234, 5.15.174, 6.1.107 and others. If you are running Linux kernel 3.18 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2024-44940 actively exploited?

    No — CVE-2024-44940 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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