What is CVE-2024-35869?

CVE-2024-35869 is a High severity Linux kernel vulnerability with a CVSS score of 8.4 out of 10, classified as a Use After Free flaw (CWE-416), affecting Linux kernel versions from 6.2.15 onward and patched in 6.6.29, 6.8.5 and 6.9. CVE-2024-35869 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-35869?

CVE-2024-35869 has a CVSS score of 8.4 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2024-35869?

Yes, CVE-2024-35869 has been patched. Fixed versions include 6.6.29, 6.8.5 and 6.9. If you are running Linux kernel 6.2.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-35869 actively exploited?

CVE-2024-35869 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-2024-35869

High

In the Linux kernel, the following vulnerability has been resolved: smb: client: guarantee refcounted children from parent session Avoid potential use-after-free bugs when walking DFS referrals, mounting and performing DFS failover by ensuring that all children from parent @tcon->ses are also refcounted. They're all needed across the entire DFS mount. Get rid of @tcon->dfs_ses_list while we're at it, too.

Package Linux Kernel

Published 2024-05-19

Last modified 2025-11-18

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

8.4

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2024-35869 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

Affected versions

Linux kernel versions 6.2.15, 6.3.2, 6.4 and later are affected. Fixed in 6.6.29, 6.8.5, 6.9 and their respective stable series.

Affected from

≥ 6.2.15 ≥ 6.3.2 ≥ 6.4

Fixed in

✓ 6.6.29 6.6.x ✓ 6.8.5 6.8.x ✓ 6.9

References

3 total

Kernel Git
https://git.kernel.org/stable/c/062a7f0ff46eb57aff526897bd2bebfdb1d3046a

Patch
Kernel Git
https://git.kernel.org/stable/c/645f332c6b63499cc76197f9b6bffcc659ba64cc

Patch
Kernel Git
https://git.kernel.org/stable/c/e1db9ae87b7148c021daee1fcc4bc71b2ac58a79

Patch

Details

CVE ID CVE-2024-35869

Severity High

CVSS score 8.4 / 10

CVSS version 3.1

Published 2024-05-19

Modified 2025-11-18

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-35869?

CVE-2024-35869 is a High severity Linux kernel vulnerability with a CVSS score of 8.4 out of 10 , classified as an Use After Free flaw (CWE-416) . It affects Linux kernel versions from 6.2.15 onward and has been patched in 6.6.29, 6.8.5 and 6.9. CVE-2024-35869 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-35869?

CVE-2024-35869 has a CVSS score of 8.4 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2024-35869?

Yes. CVE-2024-35869 has been patched. Fixed versions include 6.6.29, 6.8.5 and 6.9. If you are running Linux kernel 6.2.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-35869 actively exploited?

No. CVE-2024-35869 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.