CVE-2023-4515

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate command request size In commit 2b9b8f3b68ed "ksmbd: validate command payload size", except for SMB2OPLOCKBREAKHE command, the request size of other commands is not checked, it's not expected. Fix it by add check f...

CVE-2023-4130 ksmbd: fix wrong next length validation of ea buffer in smb2_set_ea()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix wrong next length validation of ea buffer in smb2setea There are multiple smb2eainfo buffers in FILEFULLEAINFORMATION request from client. ksmbd find next smb2eainfo using -NextEntryOffset of current smb2eainfo. ksmbd...

CVE-2025-38501

In the Linux kernel, the following vulnerability has been resolved: ksmbd: limit repeated connections from clients with the same IP Repeated connections from clients with the same IP address may exhaust the max connections and prevent other normal client connections. This patch limit repeated...

Linux Distros Unpatched Vulnerability : CVE-2025-21944

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: fix bug on trap in smb2lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smblock, not flags. It will cau...

Linux Distros Unpatched Vulnerability : CVE-2025-21946

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: fix out-of-bounds in parsesecdesc If osidoffset, gsidoffset and dacloffset could be greater than smbntsd struct size. If it is smaller, It could cause...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed a use-after-free issue in Kerberos authentication. The introduction of sess-user = NULL was necessary to fix the dangling pointer created by ksmbdfreeuser. However, it is possible that another thread might be...

UBUNTU-CVE-2025-22074

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix rcount dec/increment mismatch rcount is only increased when there is an oplock break wait, so rcount inc/decrement are not paired. This can cause rcount to become negative, which can lead to a problem where the ksmbd...

Linux kernel 安全漏洞

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 the Linux kernel that stems from the reuse of ksmbd multi-channel connection sessions after release...

Astra Linux – Vulnerability in Linux 6.1

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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: A potential out-of-bounds error has been fixed when the buffer offset is invalid. I identified a potential out-of-bounds situation when the buffer offset fields of several requests are invalid. This patch sets the minimum...

ksmbd: check outstanding simultaneous SMB operations

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DEBIAN-CVE-2023-4458

A flaw was found within the parsing of extended attributes in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this to disclose sensitive information on...

Linux kernel 安全漏洞

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, which stems from an out-of-bounds write vulnerability in the ksmbd module...

USN-6339-3 linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-raspi vulnerabilities

It was discovered that the NTFS file system implementation in the Linux kernel did not properly validate MFT flags in certain situations. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could cause a denial of service system crash. CVE-2022-48425...

OESA-2023-1496 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemblenegcontexts.CVE-2023-38427 An issue was discovered in the Linux kernel before...

Vulnerability of the setup_async_work() function (fs/ksmbd/smb2pdu.c) in the SMB subsystem of the Linux operating system, allowing a hacker to cause a service failure

The vulnerability of the setupasyncwork function fs/ksmbd/smb2pdu.c in the SMB subsystem of the Linux operating system is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to cause a service failure...

UBUNTU-CVE-2022-47939

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2TREEDISCONNECT...

PT-2022-6040 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions 5.15 through 5.19 before 5.19.2 Description: The issue is related to an out-of-bounds read in the Linux kernel's ksmbd subsystem, specifically in the fs/ksmbd/smb2misc.c file. This occurs when handling the SMB2 TREE...