CVE-2024-35869: Linux Kernel

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: from 6.2.8, before 6.3 (fixed in 6.3); from 6.4, before 6.6.29 (fixed in 6.6.29); from 6.7, before 6.8.5 (fixed in 6.8.5); version 6.9 only

Published 2024-05-19. Last modified 2026-08-04.