CVE-2026-98901: ksmbd: fix lease break and ack state handling
Published Oct 23, 2026
·Updated
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix lease break and ack state handling
Do not skip valid lease states containing WRITECACHING when breaking level-II/read leases for writes and truncates.
Handle lease break acknowledgments according to the SMB2 rule that the acknowledged state must be a subset of the server's break target. Apply the acknowledged state directly and keep the break pending on failed ACKs.
Affected Software
1 affected component
Linux Linux kernel
Event History
Oct 23, 2026
CVE Published
via MITRE·11:54 AM
Data Sourced
via MITRE·11:54 AM
Description