CVE-2026-98897

The Linux kernel (ksmbd) contains a concurrency issue where the system holds the ci->m_lock for read while waiting for a lease break acknowledgment in wait_for_break_ack() for up to 35 seconds. This creates a deadlock scenario with cifs.ko clients: when a client closes a deferred handle, it at...

CVE-2026-98897

In the Linux kernel, the following vulnerability has been resolved: ksmbd: don't hold ci-mlock while waiting for a lease break ack When a cifs.ko client caches a read-handle RH lease via deferred close and a conflicting open arrives, ksmbd breaks the lease and waits for the acknowledgment in...

CVE-2025-38437: Use After Free

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix potential use-after-free in oplock/lease break ack If ksmbdiovpinrsp return error, use-after-free can happen by accessing opinfo-state and opinfoput and ksmbdfdput could called twice...