CVE-2023-38431

An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/connection.c in ksmbd does not validate the relationship between the NetBIOS header's length field and the SMB header sizes, via pdu_size in ksmbd_conn_handler_loop, leading to an out-of-bounds read.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8	Release Notes
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=368ba06881c395f1c9a7ba22203cf8d78b4addc0	Patch
https://security.netapp.com/advisory/ntap-20230824-0011/	Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8	Release Notes
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=368ba06881c395f1c9a7ba22203cf8d78b4addc0	Patch
https://security.netapp.com/advisory/ntap-20230824-0011/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

Configuration 2 (hide)

OR	cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:::::::*
	cpe:2.3:h:netapp:h300s:-:::::::*
	cpe:2.3:h:netapp:h410s:-:::::::*
	cpe:2.3:h:netapp:h500s:-:::::::*
	cpe:2.3:h:netapp:h700s:-:::::::*

History

21 Nov 2024, 08:13

Type	Values Removed	Values Added
References	~~() https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8 - Release Notes~~	() https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8 - Release Notes
References	~~() https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=368ba06881c395f1c9a7ba22203cf8d78b4addc0 - Patch~~	() https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=368ba06881c395f1c9a7ba22203cf8d78b4addc0 - Patch
References	~~() https://security.netapp.com/advisory/ntap-20230824-0011/ - Third Party Advisory~~	() https://security.netapp.com/advisory/ntap-20230824-0011/ - Third Party Advisory

15 Dec 2023, 15:46

Type	Values Removed	Values Added
References	~~(CONFIRM) https://security.netapp.com/advisory/ntap-20230824-0011/ -~~	(CONFIRM) https://security.netapp.com/advisory/ntap-20230824-0011/ - Third Party Advisory
First Time		Netapp Netapp h700s Netapp solidfire \& Hci Management Node Netapp h410s Netapp h300s Netapp h500s
CPE		cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:::::::* cpe:2.3:h:netapp:h700s:-:::::::* cpe:2.3:h:netapp:h300s:-:::::::* cpe:2.3:h:netapp:h500s:-:::::::* cpe:2.3:h:netapp:h410s:-:::::::*

24 Aug 2023, 19:15

Type	Values Removed	Values Added
References		(CONFIRM) https://security.netapp.com/advisory/ntap-20230824-0011/ -

27 Jul 2023, 16:01

Type	Values Removed	Values Added
References	~~(MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=368ba06881c395f1c9a7ba22203cf8d78b4addc0 -~~	(MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=368ba06881c395f1c9a7ba22203cf8d78b4addc0 - Patch
References	~~(MISC) https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8 -~~	(MISC) https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8 - Release Notes
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.1
CWE		CWE-125
First Time		Linux Linux linux Kernel
CPE		cpe:2.3:o:linux:linux_kernel::::::::

18 Jul 2023, 00:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-07-18 00:15

Updated : 2024-11-21 08:13

NVD link : CVE-2023-38431

Mitre link : CVE-2023-38431

CVE.ORG link : CVE-2023-38431

JSON object : View

Products Affected

netapp

h700s
h300s
solidfire_\&_hci_management_node
h500s
h410s

linux

linux_kernel

CWE

CWE-125

Out-of-bounds Read

9.1 /10