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Vulnerabilities CVE-2024-35869

CVE-2024-35869

Critical
Open
TLP:CLEAR

smb: client: guarantee refcounted children from parent session

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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.

Details

CVSS Score
9.8
EPSS Score
0.65%

47.9th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
May 19, 2024
Last Modified
Aug 5, 2026
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