CVE-2026-90166

CVE CVE-2026-90166EUVD EUVD-2026-81759Published 2026-09-17T16:06:55.000Z

What the advisory describes

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

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux 5.15; patch: 7.2.6; e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 <4eb74a34ea401abfbbd5991076715dae3de938df; patch: 7.3-rc1; patch: 0; e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 <d2ccf905f47d2344270749f4dfa905afcd3edeb0; e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 <8461f27902727ad434375caf13a0100aafc0340f; patch: 6.18.52; patch: 6.12.110; e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 <7065d3648b1a48d2c49da3d6364dd3c4d503b10c

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

Linux — Linux

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