CVE-2023-38427
kernel: ksmbd: integer underflow and out-of-bounds read in deassemble_neg_contexts
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 17, 2023
Updated · June 26, 2026
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.
Statement
No Red Hat products are affected by this flaw, as the ksmbd code is not included in any shipping release.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-191 · Integer Underflow (Wrap or Wraparound)