CVEvulnerability

CVE-2023-38431

9.1 CRITICAL Published 2023-07-18 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-07-18
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weaknesses
CWE-125

Description

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.

Affected configurations

• linux linux kernel (>= 5.15 < 5.15.145) • linux linux kernel (>= 5.16 < 6.1.34) • linux linux kernel (>= 6.2 < 6.3.8) • netapp solidfire \& hci management node • netapp h300s • netapp h410s • netapp h500s • netapp h700s

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References