Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: smb: Client: Fixed a potential Use-After-Free issue in smb2closecachedfid. findorcreatecacheddir might acquire a new reference after krefput. This occurs when the reference count drops to zero, before cfidlistlock is acquired. In...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: The split caching of bitfields in cachedfid was introduced to avoid race conditions involving shared-byte registers. The functions isopen, haslease, and onlist are stored in the same bitfield byte within the struc...

SUSE CVE-2026-23230

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

CVE-2026-23230

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

CVE-2026-23230

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

CVE-2026-23230 smb: client: split cached_fid bitfields to avoid shared-byte RMW races

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

CVE-2026-23230

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

CVE-2026-23230 smb: client: split cached_fid bitfields to avoid shared-byte RMW races

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

CVE-2026-23230

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

Linux Distros Unpatched Vulnerability : CVE-2026-23230

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but a...

PT-2026-20456

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists within the SMB client implementation related to cached file identifier cached fid bitfields. Specifically, the is open, has lease, and on list flags were stored...

CVE-2025-40328 smb: client: fix potential UAF in smb2_close_cached_fid()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2closecachedfid findorcreatecacheddir could grab a new reference after krefput had seen the refcount drop to zero but before cfidlistlock is acquired in smb2closecachedfid, leading to...

CVE-2025-40328

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2closecachedfid findorcreatecacheddir could grab a new reference after krefput had seen the refcount drop to zero but before cfidlistlock is acquired in smb2closecachedfid, leading to...

CVE-2025-40328

CVE-2025-40328 : In the Linux kernel, the smb client could suffer a use-after-free in smb2_close_cached_fid() due to a race where a new reference could be grabbed after kref_put() dropped to zero but before cfid_list_lock is acquired. The fix switches to kref_put_lock() so cfid_release() is calle...

CVE-2025-40328 smb: client: fix potential UAF in smb2_close_cached_fid()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2closecachedfid findorcreatecacheddir could grab a new reference after krefput had seen the refcount drop to zero but before cfidlistlock is acquired in smb2closecachedfid, leading to...