CVE-2023-38429

Published: Jul 18, 2023Modified: Jun 17, 2026

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/connection.c in ksmbd has an off-by-one error in memory allocation (because of ksmbd_smb2_check_message) that may lead to out-of-bounds access.

Affected (3)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 5.15 to 5.15.113
Linux Linux Kernel	From 5.16 to 6.1.30
Linux Linux Kernel	From 6.2 to 6.3.4

Related CWEs

CWE-193

Off-by-one Error

A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

References (5)

https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4

Source: cve@mitre.org

Release Notes

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ksmbd?id=443d61d1fa9faa60ef925513d83742902390100f

Source: cve@mitre.org

Patch

https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ksmbd?id=443d61d1fa9faa60ef925513d83742902390100f

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://security.netapp.com/advisory/ntap-20250103-0009/

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.