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

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 processing of SMB2TREEDISCONNECT...

Linux kernel 缓冲区错误漏洞

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 an issue discovered in ksmbd where a heap-based buffer overflow exists in setntacldacl, which is related to...

Linux Kernel ksmbd Heap-based Buffer Overflow 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 file attributes. The issue results from the lack of proper validation of the...

PT-2022-35151 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.3 Description: The issue concerns incorrect handling of iterate dir in ksmbd. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versions prior to v6.0.3,...

PT-2022-6028 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel versions 5.15 through 5.18 before 5.18.18 Description: The issue is related to a lack of length validation in the smb2 write function in the fs/ksmbd/smb2pdu.c module of the Linux kernel, which can lead to a buffer overflow in...

GSD-2022-1005682 ksmbd: fix memory leak in smb2_handle_negotiate

ksmbd: fix memory leak in smb2handlenegotiate This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.61 by commit...

GSD-2022-1005678 ksmbd: fix use-after-free bug in smb2_tree_disconect

ksmbd: fix use-after-free bug in smb2treedisconect This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.61 by commit...

GSD-2022-1005677 ksmbd: fix heap-based overflow in set_ntacl_dacl()

ksmbd: fix heap-based overflow in setntacldacl This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.62 by commit...

GSD-2022-1005356 ksmbd: prevent out of bound read for SMB2_TREE_CONNNECT

ksmbd: prevent out of bound read for SMB2TREECONNNECT This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.19.2 by commit...

GSD-2022-1005355 ksmbd: fix use-after-free bug in smb2_tree_disconect

ksmbd: fix use-after-free bug in smb2treedisconect This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.19.2 by commit...

GSD-2022-1005354 ksmbd: prevent out of bound read for SMB2_WRITE

ksmbd: prevent out of bound read for SMB2WRITE This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.19.2 by commit...

GSD-2022-1005353 ksmbd: fix heap-based overflow in set_ntacl_dacl()

ksmbd: fix heap-based overflow in setntacldacl This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.19.2 by commit...

PT-2022-5973 · 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: A use-after-free issue exists in the Linux kernel's ksmbd module, specifically in the fs/ksmbd/smb2pdu.c file, related to the SMB2 TREE DISCONNECT command. This issue can be...

PT-2022-6607

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description The issue is related to incorrect resource release when handling TCP connections in the ksmbd module of the Linux kernel. This can be exploited by a remote attacker to cause a...

PT-2022-6038 · 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 a heap-based buffer overflow in the Linux kernel's ksmbd subsystem, specifically in the set ntacl dacl function. This overflow is connected to the use ...

PT-2022-6048 · 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 the smb2 write function in the ksmbd module of the Linux kernel, which is vulnerable to an out-of-bounds read in memory. This can allow a remote attack...

PT-2022-6039 · 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: An issue was discovered in ksmbd in the Linux kernel, related to a memory leak due to the omission of a kfree call in certain smb2 handle negotiate error conditions. This can ...

GSD-2022-1003292 ksmbd: fix reference count leak in smb_check_perm_dacl()

ksmbd: fix reference count leak in smbcheckpermdacl This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.47 by commit...

GSD-2022-1002976 ksmbd: fix reference count leak in smb_check_perm_dacl()

ksmbd: fix reference count leak in smbcheckpermdacl This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.17.15 by commit...

GSD-2022-1002618 ksmbd: fix reference count leak in smb_check_perm_dacl()

ksmbd: fix reference count leak in smbcheckpermdacl This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.18.4 by commit...