What is CVE-2024-43865?

CVE-2024-43865 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.9 onward and patched in 6.10.4 and 6.11. CVE-2024-43865 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-43865?

CVE-2024-43865 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-2024-43865?

Yes, CVE-2024-43865 has been patched. Fixed versions include 6.10.4 and 6.11. If you are running Linux kernel 6.9 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-43865 actively exploited?

CVE-2024-43865 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-43865

Medium

In the Linux kernel, the following vulnerability has been resolved: s390/fpu: Re-add exception handling in load_fpu_state() With the recent rewrite of the fpu code exception handling for the lfpc instruction within load_fpu_state() was erroneously removed. Add it again to prevent that loading invalid floating point register values cause an unhandled specification exception.

Package Linux Kernel

Published 2024-08-21

Last modified 2025-10-10

CVSS version 3.1

Patch available

Yes

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

Affected versions

Linux kernel versions 6.9 and later are affected. Fixed in 6.10.4, 6.11 and their respective stable series.

Affected from

≥ 6.9

Fixed in

✓ 6.10.4 6.10.x ✓ 6.11

References

The following references provide additional information about CVE-2024-43865 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/4734406c39238cbeafe66f0060084caa3247ff53
Patch
Kernel patch commit
https://git.kernel.org/stable/c/494b14138201f07343e5488db6360c828fcc8cf6
Patch

Details

CVE ID CVE-2024-43865

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-08-21

Modified 2025-10-10

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-43865?

CVE-2024-43865 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.9 onward and has been patched in 6.10.4 and 6.11. CVE-2024-43865 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-43865?

CVE-2024-43865 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-2024-43865?

Yes — CVE-2024-43865 has been patched. Fixed versions include 6.10.4 and 6.11. If you are running Linux kernel 6.9 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-43865 actively exploited?

No — CVE-2024-43865 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.