CVE-2024-35869
smb: client: guarantee refcounted children from parent session
Description
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.
INFO
Published Date :
May 19, 2024, 9:15 a.m.
Last Modified :
Nov. 18, 2025, 3:46 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update the Linux kernel to address this vulnerability.
- Reboot the system to apply the kernel update.
Public PoC/Exploit Available at Github
CVE-2024-35869 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-35869.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-35869 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-35869
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-35869 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-35869 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Reanalysis by [email protected]
Nov. 18, 2025
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.8.5 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.6.29 OR *cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.8.5 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2.8 up to (excluding) 6.3 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.4 up to (excluding) 6.6.29 -
Initial Analysis by [email protected]
Apr. 07, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.8.5 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.6.29 Added Reference Type CVE: https://git.kernel.org/stable/c/062a7f0ff46eb57aff526897bd2bebfdb1d3046a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/062a7f0ff46eb57aff526897bd2bebfdb1d3046a Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/645f332c6b63499cc76197f9b6bffcc659ba64cc Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/645f332c6b63499cc76197f9b6bffcc659ba64cc Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/e1db9ae87b7148c021daee1fcc4bc71b2ac58a79 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e1db9ae87b7148c021daee1fcc4bc71b2ac58a79 Types: Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/062a7f0ff46eb57aff526897bd2bebfdb1d3046a Added Reference https://git.kernel.org/stable/c/645f332c6b63499cc76197f9b6bffcc659ba64cc Added Reference https://git.kernel.org/stable/c/e1db9ae87b7148c021daee1fcc4bc71b2ac58a79 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 03, 2024
Action Type Old Value New Value Added CWE CISA-ADP CWE-416 Added CVSS V3.1 CISA-ADP AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 29, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 19, 2024
Action Type Old Value New Value Added Description 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. Added Reference kernel.org https://git.kernel.org/stable/c/645f332c6b63499cc76197f9b6bffcc659ba64cc [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/e1db9ae87b7148c021daee1fcc4bc71b2ac58a79 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/062a7f0ff46eb57aff526897bd2bebfdb1d3046a [No types assigned]