CVE-2026-97556

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid leaking refcount when cifssbtlink fails cifsoplockbreak takes over the reference that cifsqueueoplockbreak acquired when it queued the work, and drops it with cifsFileInfoput once the break has been processed...

EUVD-2026-86864

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid leaking refcount when cifssbtlink fails cifsoplockbreak takes over the reference that cifsqueueoplockbreak acquired when it queued the work, and drops it with cifsFileInfoput once the break has been processed...

CVE-2026-97556

The Linux kernel contains a vulnerability in the SMB client where a reference count leak occurs when cifs_sb_tlink() fails, specifically in setups using the "-o multiuser" option. The cifs_oplock_break() function fails to release the file reference in this specific failure path, which can lead to...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-007436)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007436 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix refcount leak for cifssbtlink Fix three refcount inconsistency issues related to...

UBUNTU-CVE-2025-40103

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix refcount leak for cifssbtlink Fix three refcount inconsistency issues related to cifssbtlink. Comments for cifssbtlink state that cifsputtlink needs to be called after successful calls to cifssbtlink. Three calls...

CVE-2025-40103: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix refcount leak for cifssbtlink Fix three refcount inconsistency issues related to cifssbtlink. Comments for cifssbtlink state that cifsputtlink needs to be called after successful calls to cifssbtlink. Three calls...

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 a reference count leak in the cifssbtlink function, which could lead to a resource leak...