CVE-2023-6606 HIGH

CVE-2023-6606: Kernel: out-of-bounds read vulnerability in smbcalcsize

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-125
Published December 8, 2023
Last update November 8, 2025
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

An out-of-bounds read vulnerability was found in smbCalcSize in fs/smb/client/netmisc.c in the Linux Kernel. This issue could allow a local attacker to crash the system or leak internal kernel information.

Key dates

02Disclosure timeline

December 8, 2023 CVE published
November 8, 2025 Record updated