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

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

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

No history.

Information

Published : 2023-07-18 00:15

Updated : 2024-06-18 15:10

NVD link : CVE-2023-38431

Mitre link : CVE-2023-38431

CVE.ORG link : CVE-2023-38431

JSON object : View

Products Affected

netapp

h500s
solidfire_\&_hci_management_node
h300s
h700s
h410s

linux

linux_kernel

CWE

CWE-125

Out-of-bounds Read

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