What is CVE-2024-40989?

CVE-2024-40989 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2024-40989 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-40989?

CVE-2024-40989 has a CVSS score of 7.8 out of 10, rated High severity. 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-2024-40989?

No patch is currently available for CVE-2024-40989. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2024-40989 actively exploited?

CVE-2024-40989 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2024-40989

High

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Disassociate vcpus from redistributor region on teardown When tearing down a redistributor region, make sure we don't have any dangling pointer to that region stored in a vcpu.

Package Linux Kernel

Published 2024-07-12

Last modified 2025-11-03

CVSS version 3.1

Patch available

Awaiting data

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

Weakness type

CWE-416

CVE-2024-40989 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2024-40989 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
Kernel patch commit
https://git.kernel.org/stable/c/0d92e4a7ffd5c42b9fa864692f82476c0bf8bcc8
Patch
Kernel patch commit
https://git.kernel.org/stable/c/152b4123f21e6aff31cea01158176ad96a999c76
Patch
Kernel patch commit
https://git.kernel.org/stable/c/48bb62859d47c5c4197a8c01128d0fa4f46ee58c
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2024-40989

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-07-12

Modified 2025-11-03

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2024-40989?

CVE-2024-40989 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2024-40989 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-40989?

CVE-2024-40989 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-2024-40989?

No patch is currently available for CVE-2024-40989. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2024-40989 actively exploited?

No — CVE-2024-40989 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →