CVE-2023-38427

State: Published
Severity: 9.8 Critical
Published: Jul 17, 2023
Updated: May 5, 2025
Reserved: Jul 17, 2023

Description

An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemble_neg_contexts.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-125 Out-of-bounds Read
CWE-191 Integer Underflow (Wrap or Wraparound)

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=f1a411873c85b642f13b01f21b534c2bab81fc1b
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8
https://security.netapp.com/advisory/ntap-20230824-0011/

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.