Linux Distros Unpatched Vulnerability : CVE-2026-89637

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: fix UAF and buffer leak in cifschecktrans2 for malformed secondary T2 When a valid primary TRANSACT2 response has been received mid-respbuf set,...

CVE-2026-89633

A flaw was found in the Linux kernel's Server Message Block SMB client. The coalescet2 function processes server-supplied DataOffset fields without proper validation against buffer boundaries. A remote attacker could exploit this by crafting malicious SMB responses. This could lead to out-of-boun...

CVE-2026-89631

CVE-2026-89631 affects the Linux kernel SMB (CIFS) client . In CIFSTCon(), the strnlen() bound over the byte area uses the server's ByteCount minus two; when ByteCount is 0 or 1, the value underflows to a huge size_t, causing cifs_strndup_from_utf16() to read up to 65,535 bytes past the ~16 KB sl...

PT-2026-90349

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client where the coalesce t2 function computes data pointers using server-supplied DataOffset fields without validating them against buffer bounds. A small...

ROS-20260825-73-0006

The vulnerability of the smbdnegotiate function in the fs/smb/client/smbdirect.c module, which is part of the SMB client support in Linux operating systems, is related to improper memory release memory leak. Exploiting this vulnerability could allow a remote attacker to cause service interruption...

Linux SMB Client Match Session

The vulnerability in the matchsession function within the fs/smb/client/connect.c file of the SMB file system in the Linux kernel is related to flaws in the authentication process. Exploitation of this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

Linux Distros Unpatched Vulnerability : CVE-2025-40328

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: fix potential UAF in smb2closecachedfid findorcreatecacheddir could grab a new reference after krefput had seen the refcount drop to zero but befor...

Linux Distros Unpatched Vulnerability : CVE-2025-38179

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: smb: client: fix maxsge overflow in smbextractfolioqtordma This fixes the following problem:...

Linux SMB Client Buffer Overflow DoS

The vulnerability of the smb2isnetworknamedeleted function in the fs/smb/client/smb2ops.c module of the SMB protocol client implementation in Linux operating systems is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a servic...