What is CVE-2024-40999?

CVE-2024-40999 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10. CVE-2024-40999 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-40999?

CVE-2024-40999 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2024-40999?

No patch is currently available for CVE-2024-40999. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2024-40999 actively exploited?

CVE-2024-40999 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-40999

Medium

In the Linux kernel, the following vulnerability has been resolved: net: ena: Add validation for completion descriptors consistency Validate that `first` flag is set only for the first descriptor in multi-buffer packets. In case of an invalid descriptor, a reset will occur. A new reset reason for RX data corruption has been added.

Package Linux Kernel

Published 2024-07-12

Last modified 2025-10-07

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

The following references provide additional information about CVE-2024-40999 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/42146ee5286f16f1674a84f7c274dcca65c6ff2e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/b37b98a3a0c1198bafe8c2d9ce0bc845b4e7a9a7
Patch

Details

CVE ID CVE-2024-40999

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-07-12

Modified 2025-10-07

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2024-40999?

CVE-2024-40999 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2024-40999 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-40999?

CVE-2024-40999 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2024-40999?

No patch is currently available for CVE-2024-40999. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2024-40999 actively exploited?

No — CVE-2024-40999 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.