CVE-2026-68381

The CVE-2026-68381 issue in ksmbd within the Linux kernel involves async oplock/lease break notifications queuing work that references a ksmbd_conn object. The vulnerable path increments r_count but does not pin the ksmbd_conn, creating a window where connection teardown can race with the notific...

UBUNTU-CVE-2025-21955

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent connection release during oplock break notification ksmbdwork could be freed when after connection release. Increment rcount of ksmbdconn to indicate that requests are not finished yet and to not release the...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from ksmbd potentially releasing connections during oplock interrupt notification...

samba: infinite loop flaw in smbd on unexpected oplock break notification reply

smbd in Samba 3.0 before 3.0.37, 3.2 before 3.2.15, 3.3 before 3.3.8, and 3.4 before 3.4.2 allows remote authenticated users to cause a denial of service infinite loop via an unanticipated oplock break notification reply packet...