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Not yet scoredPublished Sep 17, 2026

CVE-2026-90166smb/server: fix null-ptr-deref in ksmbd_ipc_tree_connect_request()

Updated under an hour ago ()

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No exploitation reported and no EPSS estimate yet.

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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

CVSS
Not yet scored
Weakness (CWE)
Not given
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Linux
NVD analysis
Received
Record last updated
Oct 21, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Linux Linux
linux:linux (from the name)
from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 5ffd180307a5ea34dae7f90ff9573ebed6b7fb12; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 4eb74a34ea401abfbbd5991076715dae3de938df; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 8461f27902727ad434375caf13a0100aafc0340f; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 7065d3648b1a48d2c49da3d6364dd3c4d503b10c; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before d2ccf905f47d2344270749f4dfa905afcd3edeb0
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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