What is CVE-2024-35863?

CVE-2024-35863 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-2024-35863 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-35863?

CVE-2024-35863 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-2024-35863?

No patch is currently available for CVE-2024-35863. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2024-35863 actively exploited?

CVE-2024-35863 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-2024-35863

High

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

Package Linux Kernel

Published 2024-05-19

Last modified 2026-03-24

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-2024-35863 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-2024-35863 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/0a15ba88a32fa7a516aff7ffd27befed5334dff2
Patch
Kernel patch commit
https://git.kernel.org/stable/c/16d58c6a7db5050b9638669084b63fc05f951825
Patch
Kernel patch commit
https://git.kernel.org/stable/c/494c91e1e9413b407d12166a61b84200d4d54fac
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2024-35863

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-05-19

Modified 2026-03-24

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2024-35863?

CVE-2024-35863 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-2024-35863 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-35863?

CVE-2024-35863 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-2024-35863?

No patch is currently available for CVE-2024-35863. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2024-35863 actively exploited?

No — CVE-2024-35863 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 →