CVE-2023-38432
kernel: ksmbd: out-of-bounds read in ksmbd_smb2_check_message
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 16, 2023
Updated · November 22, 2025
Description
A flaw was found in the Linux kernel before 6.3.10, where fs/smb/server/smb2misc.c in ksmbd does not validate the relationship between the command payload size and the RFC1002 length specification. This issue leads to an out-of-bounds read.
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 · 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE not specified