CriticalFix available
ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency Under high concurrency, A tree-connection object (tcon) is freed on a disconnect path while another path still holds a reference and later executes *_put()/write on it.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.15.199, 6.1.160, 6.12.64, 6.18.3, 6.6.120
- CVEs
- CVE-2025-68817
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 03:36 UTC · Revision 1
Source evidence
ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency
core-osv · Original sourcePublished 13 Jan 2026, 15:29 UTC
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency Under high concurrency, A tree-connection object (tcon) is freed on a disconnect path while another path still holds a reference and later executes *_put()/write on it.
osv:CVE-2025-68817
Kernel
Fixed versions: 5.15.199, 6.1.160, 6.6.120, 6.12.64, 6.18.3
Complete source record
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"modified": "2026-10-28T02:30:25.873522890Z",
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