An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE when there is a large length in the zero DataOffset case.

...

Linux kernel buffer overflow vulnerability (CNVD-2023-58993)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel suffers from a buffer overflow vulnerability that stems from an issue found in ksmbd where fs/ksmbd/smb2pdu.c lacks length validation in the unfilled case of...

PT-2023-1055 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a heap overflow vulnerability in the ksmbd decode ntlmssp auth blob function of the Linux kernel's ksmbd module. This vulnerability can be exploited by a remote...

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is a heap-based buffer overflow in set_ntacl_dacl related to use of SMB2_QUERY_INFO_HE after a malformed SMB2_SET_INFO_HE command.

...

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 SMB2_TREE_DISCONNECT.

...

The vulnerability of the smb2_write function (fs/ksmbd/smb2pdu.c) in the ksmbd module of the Linux operating system allows a hacker to disclose protected information or cause service failures.

The vulnerability of the smb2write function fs/ksmbd/smb2pdu.c in the ksmbd module of the Linux operating system relates to the ability to read data beyond the buffer boundaries in memory. Exploiting this vulnerability can allow a remote attacker to disclose sensitive information or cause service...

The vulnerability of the smb2_write function (fs/ksmbd/smb2pdu.c) in the ksmbd module of the Linux operating system allows a hacker to disclose protected information or cause service failures.

The vulnerability of the smb2write function fs/ksmbd/smb2pdu.c in the ksmbd module of the Linux operating system relates to the ability to read data beyond the buffer boundaries in memory. Exploiting this vulnerability can allow a remote attacker to disclose sensitive information or cause service...

CVE-2022-47939 critical vulnerability in Linux kernel `ksmbd` module: everything you need to know

Critical RCE vulnerability found in Linux kernel's ksmbd module: remote attackers can execute code without authentication. The module is not enabled by default on most operating systems...

CVE-2022-47943

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2WRITE, when there is a large length in the zero DataOffset case...

K000130346: Linux Kernel ksmbd Use-After-Free Remote Code Execution Vulnerability

Security Advisory Description This vulnerability allows remote attackers to execute arbitrary code on affected installations of Linux Kernel. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable. The specific flaw exists within the...

The vulnerability of the smb2_tree_disconnect function (fs/ksmbd/smb2pdu.c) in the ksmbd module of the Linux operating system allows a hacker to execute arbitrary code.

The vulnerability of the smb2treedisconnect function fs/ksmbd/smb2pdu.c in the ksmbd module of the Linux operating system is related to the use of memory after deallocation. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

CVE-2022-47941, CVE-2022-47942, CVE-2022-47938, CVE-2022-47939, CVE-2022-47940. Vulnerabilities affecting the ksmb module in the Linux kernel versions 5.14 through 5.15.61. (BSA-2022-2157).

Security Advisory ID: BSA-2022-2157 Component: ksmbd module in the Linux kernel Revision: 2.1 Brocade PSIRT has become aware of several vulnerabilities affecting theksmbdmodule in the Linux kernel published by Trend Micro Zero Day Initiative. ZDI-22-1687 - CVSS SCORE: 5.3 - CVE-2022-47941...

CVE-2022-47941

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2handlenegotiate error conditions, aka a memory leak...

CVE-2022-47940

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.18 before 5.18.18. fs/ksmbd/smb2pdu.c lacks length validation in the non-padding case in smb2write...

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...

DEBIAN-CVE-2022-47943

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2WRITE, when there is a large length in the zero DataOffset case...

AZL-12109 CVE-2022-47943 affecting package kernel for versions less than 5.15.86.1-1

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2WRITE, when there is a large length in the zero DataOffset case...

CVE-2022-47943

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2WRITE, when there is a large length in the zero DataOffset case...

Out-of-bounds

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2WRITE, when there is a large length in the zero DataOffset case...

CVE-2022-47943

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2WRITE, when there is a large length in the zero DataOffset case...