CVE-2023-6606

HIGH 7.1

Kernel: out-of-bounds read vulnerability in smbcalcsize

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-125
Vendor	red hat
Product	red hat enterprise linux 8
Published	Dec 8, 2023
Last Updated	Nov 8, 2025

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Affected Versions

Red Hat / Red Hat Enterprise Linux 8

All versions affected

Red Hat / Red Hat Enterprise Linux 8

All versions affected

Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support

All versions affected

Red Hat / Red Hat Enterprise Linux 8.8 Extended Update Support

All versions affected

Red Hat / Red Hat Enterprise Linux 9

All versions affected

Red Hat / Red Hat Enterprise Linux 9

All versions affected

Red Hat / Red Hat Enterprise Linux 9.2 Extended Update Support

All versions affected

Red Hat / Red Hat Enterprise Linux 9.2 Extended Update Support

All versions affected

Red Hat / Red Hat Virtualization 4 for Red Hat Enterprise Linux 8

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / RHOL-5.8-RHEL-9

All versions affected

Red Hat / Red Hat Enterprise Linux 6

All versions affected

Red Hat / Red Hat Enterprise Linux 7

All versions affected

Red Hat / Red Hat Enterprise Linux 7

All versions affected

Red Hat / Red Hat Enterprise Linux 9

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗