PT-2026-64611

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ksmbd module where byte-range locks are not correctly tracked across connections. When using SMB3 multichannel, the connection that handles a SMB2 LOCK request may...

CVE-2026-31477 ksmbd: fix memory leaks and NULL deref in smb2_lock()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix memory leaks and NULL deref in smb2lock smb2lock has three error handling issues after listdel detaches smblock from locklist at nocheckcl: 1 If vfslockfile returns an unexpected error in the non-UNLOCK path, goto out...

kernel: futex: Handle user space corruption gracefully

The wakefutexpi function in kernel/futex.c in the Linux kernel before 2.6.33-rc7 does not properly handle certain unlock operations for a Priority Inheritance PI futex, which allows local users to cause a denial of service OOPS and possibly have unspecified other impact via vectors involving...