Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: The issue related to “slab-use-after-free” in smb3preauthhashrsp has been fixed. The function ksmbdusersessionput should be called under smb3preauthhashrsp. This will prevent freeing a session before calling...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: The binding mark of a reused connection was unset. Steve French reported a null pointer dereference error from the sha256 library. The cifs.ko module can send session setup requests using a reused connection. If a reuse...

Linux Kernel ksmbd smb2_sess_setup Preauth_HashValue Race Condition Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Linux Kernel. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of the PreauthHashValue field. The issue results from the lack of proper locking...

The vulnerability of the alloc_preauth_hash() function in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the allocpreauthhash function in the Linux operating system’s kernel is related to pointer arithmetic errors. Exploiting this vulnerability could allow an attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a null pointer dereference in allocpreauthhash. The client sends malformed SMB2 negotiate requests. ksmbd returns an error response. As a result, the client can still send SMB2 session setup requests even when...

SUSE CVE-2025-22037

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in allocpreauthhash The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn-preauthinfo is not...

DEBIAN-CVE-2025-22037

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in allocpreauthhash The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn-preauthinfo is not...

UBUNTU-CVE-2025-22037

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in allocpreauthhash The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn-preauthinfo is not...

CVE-2025-22037

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in allocpreauthhash The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn-preauthinfo is not...

ksmbd: fix slab-use-after-free in smb3_preauth_hash_rsp

...

SUSE CVE-2024-50283

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-use-after-free in smb3preauthhashrsp ksmbdusersessionput should be called under smb3preauthhashrsp. It will avoid freeing session before calling smb3preauthhashrsp...

UBUNTU-CVE-2024-50283

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-use-after-free in smb3preauthhashrsp ksmbdusersessionput should be called under smb3preauthhashrsp. It will avoid freeing session before calling smb3preauthhashrsp...

CVE-2024-50283 ksmbd: fix slab-use-after-free in smb3_preauth_hash_rsp

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-use-after-free in smb3preauthhashrsp ksmbdusersessionput should be called under smb3preauthhashrsp. It will avoid freeing session before calling smb3preauthhashrsp...

DEBIAN-CVE-2024-46795

In the Linux kernel, the following vulnerability has been resolved: ksmbd: unset the binding mark of a reused connection Steve French reported null pointer dereference error from sha256 lib. cifs.ko can send session setup requests on reused connection. If reused connection is used for binding...

AZL-49383 CVE-2024-46795 affecting package kernel for versions less than 5.15.167.1-1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: unset the binding mark of a reused connection Steve French reported null pointer dereference error from sha256 lib. cifs.ko can send session setup requests on reused connection. If reused connection is used for binding...

UBUNTU-CVE-2024-46795

In the Linux kernel, the following vulnerability has been resolved: ksmbd: unset the binding mark of a reused connection Steve French reported null pointer dereference error from sha256 lib. cifs.ko can send session setup requests on reused connection. If reused connection is used for binding...