smb/server: fix null-ptr-deref in ksmbd_ipc_tree_connect_request()
CVE-2026-90166 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-90166, released September 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.
In the Linux kernel, the following vulnerability has been resolved: smb/server: fix null-ptr-deref in ksmbd_ipc_tree_connect_request() See the procedure below: ksmbd_tree_conn_connect ksmbd_share_config_get share->name = kstrdup() // fail if (!test_share_config_flag(share, KSMBD_SHARE_FLAG_PIPE)) // false // do not check `share->name` ksmbd_ipc_tree_connect_request strlen(share->name) // null-ptr-deref
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 13.5 (trixie) | 6.12.111-1 | DEBIAN-CVE-2026-90166 | Sep 23, 2026 |
| linux · Debian 14 | 7.2.6-1 | DEBIAN-CVE-2026-90166 | Sep 23, 2026 |
| linux-6.12 · Debian 12.15 (bookworm) | 6.12.111-1~deb12u1 | DEBIAN-CVE-2026-90166 | Sep 23, 2026 |
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