What is CVE-2024-35866?

CVE-2024-35866 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-2024-35866 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-35866?

CVE-2024-35866 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-2024-35866?

No patch is currently available for CVE-2024-35866. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2024-35866 actively exploited?

CVE-2024-35866 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-2024-35866

High

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_dump_full_key() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.

Package Linux Kernel

Published 2024-05-19

Last modified 2026-04-21

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-2024-35866 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-2024-35866 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/2025/05/msg00045.html

Mailing List Third Party Advisory
Kernel patch commit
https://git.kernel.org/stable/c/10e17ca4000ec34737bde002a13435c38ace2682
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3103163ccd3be4adcfa37e15608fb497be044113
Patch
Kernel patch commit
https://git.kernel.org/stable/c/58acd1f497162e7d282077f816faa519487be045
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2024-35866

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-05-19

Modified 2026-04-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2024-35866?

CVE-2024-35866 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-2024-35866 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-35866?

CVE-2024-35866 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-2024-35866?

No patch is currently available for CVE-2024-35866. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2024-35866 actively exploited?

No — CVE-2024-35866 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 →