CVE-2026-68381: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ksmbd: pin conn during async oplock break notification smb2oplockbreaknoti and smb2leasebreaknoti store a ksmbdconn pointer in an async ksmbdwork and then queue that work on ksmbd-io. The work only increments conn-rcount, which...

CVE-2026-53271: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL-deref of opinfo-conn in oplock/lease break notifiers smb2oplockbreaknoti and smb2leasebreaknoti read opinfo-conn into a local with neither READONCE nor a NULL check. Both run from oplockbreak after opinfogetlist h...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed a use-after-free in the oplock break notification function. smb2oplockbreaknoti reads opinfo-conn without any lock and dereferes it after two allocations that may cause a race condition. When the durable handle th...