cfids_invalidation_worker() SMB Client DoS

The vulnerability of the cfidsinvalidationworker function in the fs/smb/client/cacheddir.c module of the SMB client kernel in Linux operating systems is related to the reutilization of previously released memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: fixed an incomplete backport in cfidsinvalidationworker The previous commit bdb596ceb4b7 “smb: client: fixed a potential UAF in smb2closecachedfid” was an incomplete backport. It also missed one krefput call in...

SUSE CVE-2025-68226

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix incomplete backport in cfidsinvalidationworker The previous commit bdb596ceb4b7 "smb: client: fix potential UAF in smb2closecachedfid" was an incomplete backport and missed one krefput call in...

EUVD-2025-203670

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix incomplete backport in cfidsinvalidationworker The previous commit bdb596ceb4b7 "smb: client: fix potential UAF in smb2closecachedfid" was an incomplete backport and missed one krefput call in...

CVE-2025-68226

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix incomplete backport in cfidsinvalidationworker The previous commit bdb596ceb4b7 "smb: client: fix potential UAF in smb2closecachedfid" was an incomplete backport and missed one krefput call in...

CVE-2025-68226

The connected sources confirm a concrete Linux kernel issue in the SMB client: an incomplete backport in cfids_invalidation_worker() caused by a missed kref_put() path, which should have been converted to close_cached_dir(). This is tied to the previously published fix for smb2_close_cached_fid()...

CVE-2025-68226 smb: client: fix incomplete backport in cfids_invalidation_worker()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix incomplete backport in cfidsinvalidationworker The previous commit bdb596ceb4b7 "smb: client: fix potential UAF in smb2closecachedfid" was an incomplete backport and missed one krefput call in...

Linux Kernel Security Vulnerabilities

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 Linux kernel that stems from cfidsinvalidationworker not properly converting krefput calls, which could lead to resource release issues...