CVE-2026-64381

A flaw was found in the SMB client of the Linux kernel. A remote attacker could exploit a memory leak in the receiveencryptedstandard function by sending specially crafted compound Protocol Data Units PDUs. This vulnerability occurs because a buffer is allocated before a necessary size check,...

SUSE CVE-2026-64381

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receiveencryptedstandard receiveencryptedstandard allocates nextbuffer before checking whether the number of compound PDUs already reached MAXCOMPOUND. If the limit check fails, the function...

UBUNTU-CVE-2026-64381

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receiveencryptedstandard receiveencryptedstandard allocates nextbuffer before checking whether the number of compound PDUs already reached MAXCOMPOUND. If the limit check fails, the function...

EUVD-2026-48925

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receiveencryptedstandard receiveencryptedstandard allocates nextbuffer before checking whether the number of compound PDUs already reached MAXCOMPOUND. If the limit check fails, the function...

CVE-2026-64381 smb: client: Fix next buffer leak in receive_encrypted_standard()

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receiveencryptedstandard receiveencryptedstandard allocates nextbuffer before checking whether the number of compound PDUs already reached MAXCOMPOUND. If the limit check fails, the function...

CVE-2026-64381

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receiveencryptedstandard receiveencryptedstandard allocates nextbuffer before checking whether the number of compound PDUs already reached MAXCOMPOUND. If the limit check fails, the function...

CVE-2026-64381

The CVE-2026-64381 issue is in the Linux kernel SMB client code path used by receive_encrypted_standard()/receive encrypted standard(): a next_buffer is allocated before validating that the number of compound PDUs has not exceeded MAX_COMPOUND. If the limit check fails, the function returns early...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005198)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005198 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for nextbuffer in receiveencryptedstandard Add check for the return value ...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21844)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21844 advisory. - In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for nextbuffer in...

kernel: smb: client: Add check for next_buffer in receive_encrypted_standard()

In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for nextbuffer in receiveencryptedstandard Add check for the return value of cifsbufget and cifssmallbufget in receiveencryptedstandard to prevent null pointer dereference...

kernel: smb: client: Add check for next_buffer in receive_encrypted_standard()

In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for nextbuffer in receiveencryptedstandard Add check for the return value of cifsbufget and cifssmallbufget in receiveencryptedstandard to prevent null pointer dereference...

Siemens SIMATIC Devices NULL Pointer Dereference (CVE-2025-21844)

smb: client: Add check for nextbuffer in receiveencryptedstandard This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid503639; scriptversion"1.2";...

smb: client: Add check for next_buffer in receive_encrypted_standard()

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DEBIAN-CVE-2025-21844

In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for nextbuffer in receiveencryptedstandard Add check for the return value of cifsbufget and cifssmallbufget in receiveencryptedstandard to prevent null pointer dereference...

AZL-58518 CVE-2025-21844 affecting package kernel for versions less than 6.6.82.1-1

In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for nextbuffer in receiveencryptedstandard Add check for the return value of cifsbufget and cifssmallbufget in receiveencryptedstandard to prevent null pointer dereference...

UBUNTU-CVE-2025-21844

In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for nextbuffer in receiveencryptedstandard Add check for the return value of cifsbufget and cifssmallbufget in receiveencryptedstandard to prevent null pointer dereference...

CVE-2025-21844

In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for nextbuffer in receiveencryptedstandard Add check for the return value of cifsbufget and cifssmallbufget in receiveencryptedstandard to prevent null pointer dereference...

kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in function receive_encrypted_standard of client

An out-of-bounds memory read flaw was found in receiveencryptedstandard in fs/smb/client/smb2ops.c in the SMB Client sub-component in the Linux Kernel. This issue occurs due to integer underflow on the memcpy length, leading to a denial of service...

The vulnerability of the receive_encrypted_standard() function in the fs/smb/client/smb2ops.c module of the SMB protocol client implementation in Linux operating systems allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the receiveencryptedstandard function in the fs/smb/client/smb2ops.c module, which is part of the SMB protocol client implementation in Linux operating systems, relates to access to memory beyond the allocated buffer due to a numerical overflow. Exploiting this vulnerability...

AZL-33601 CVE-2024-0565 affecting package kernel for versions less than 5.15.153.1-1

An out-of-bounds memory read flaw was found in receiveencryptedstandard in fs/smb/client/smb2ops.c in the SMB Client sub-component in the Linux Kernel. This issue occurs due to integer underflow on the memcpy length, leading to a denial of service...