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CVE-2023-6606

Kernel: out-of-bounds read vulnerability in smbcalcsize

Published: 12/8/2023 Last updated: 11/8/2025 Reserved: 12/8/2023

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.

CNA assigner: redhat (53f830b8-0a3f-465b-8143-3b8a9948e749) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 7.1 High CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Opam packages affected (27)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (59)

Product Vendor Version
Red Hat Enterprise Linux 6 Red Hat < 1.26.0
Red Hat Enterprise Linux 8 Red Hat Version 1803 for 32-bit Systems
Red Hat Enterprise Linux 8.6 Extended Update Support Red Hat <= 6.14.*
Red Hat Enterprise Linux 8.8 Extended Update Support Red Hat Version 1803 for x64-based Systems
Red Hat Enterprise Linux 9 Red Hat n/a
Red Hat Enterprise Linux 9 Red Hat <= *
Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat < 2.1.2
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Red Hat Version 1809 for 32-bit Systems
Red Hat Enterprise Linux 7 Red Hat 2019
Red Hat Enterprise Linux 6 Red Hat n/a
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Red Hat 10 Version 1809 for x64-based Systems
Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat EBC-21xx 1.12.13.2
Red Hat Enterprise Linux 9 Red Hat 10 Version 1803 for 32-bit Systems
Red Hat Enterprise Linux 9 Red Hat < 10.0.17763.3406
Red Hat Enterprise Linux 8.8 Extended Update Support Red Hat < 1.19.1
Red Hat Enterprise Linux 8.6 Extended Update Support Red Hat < 1.1.17
Red Hat Enterprise Linux 8 Red Hat < 11.4
Red Hat Enterprise Linux 7 Red Hat <= 2.2
Red Hat Enterprise Linux 8 Red Hat < 5.6
Red Hat Enterprise Linux 7 Red Hat <= 8.1.3
Red Hat Enterprise Linux 9 Red Hat < 1.27.0
Red Hat Enterprise Linux 8 Red Hat 1.6
Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat Windows 10 Version 1703 for 32-bit Systems
Red Hat Enterprise Linux 7 Red Hat All versions prior to the August 2022 release
Red Hat Enterprise Linux 9 Red Hat version 1803 (Core Installation)
RHOL-5.8-RHEL-9 Red Hat Version 1809 for x64-based Systems
RHOL-5.8-RHEL-9 Red Hat 10 Version 1809 for ARM64-based Systems
RHOL-5.8-RHEL-9 Red Hat Windows 10 Version 1709 for x64-based Systems
RHOL-5.8-RHEL-9 Red Hat various
RHOL-5.8-RHEL-9 Red Hat ETHC-22xx 1.12.14.5
RHOL-5.8-RHEL-9 Red Hat version 1709 (Server Core Installation)
RHOL-5.8-RHEL-9 Red Hat n/a
RHOL-5.8-RHEL-9 Red Hat 10 Version 1709 for x64-based Systems
RHOL-5.8-RHEL-9 Red Hat 10 Version 1709 for ARM64-based Systems
RHOL-5.8-RHEL-9 Red Hat version 1803 (Server Core Installation)
RHOL-5.8-RHEL-9 Red Hat n/a
RHOL-5.8-RHEL-9 Red Hat < 1.7.13
RHOL-5.8-RHEL-9 Red Hat <= 1.12.0.27
RHOL-5.8-RHEL-9 Red Hat < 1.28.0
RHOL-5.8-RHEL-9 Red Hat < 1.23.0
RHOL-5.8-RHEL-9 Red Hat <= 1.12.0.27
RHOL-5.8-RHEL-9 Red Hat < 1.15.0
RHOL-5.8-RHEL-9 Red Hat 10 Version 1607 for 32-bit Systems
RHOL-5.8-RHEL-9 Red Hat 10 Version 1607 for x64-based Systems
RHOL-5.8-RHEL-9 Red Hat < 1.2.1
RHOL-5.8-RHEL-9 Red Hat < 1.12.1
RHOL-5.8-RHEL-9 Red Hat 7 for x64-based Systems Service Pack 1
RHOL-5.8-RHEL-9 Red Hat < 1.2.0
RHOL-5.8-RHEL-9 Red Hat EEC-2xx 1.12.13.2
RHOL-5.8-RHEL-9 Red Hat n/a
RHOL-5.8-RHEL-9 Red Hat n/a
RHOL-5.8-RHEL-9 Red Hat EEC-2xx 1.12.14.5
RHOL-5.8-RHEL-9 Red Hat < 1.20.0
RHOL-5.8-RHEL-9 Red Hat n/a
RHOL-5.8-RHEL-9 Red Hat < 1.12.0
RHOL-5.8-RHEL-9 Red Hat 10 Version 1709 for ARM64-based Systems
RHOL-5.8-RHEL-9 Red Hat n/a
RHOL-5.8-RHEL-9 Red Hat <= 1.12.0.27
RHOL-5.8-RHEL-9 Red Hat < 0.6.0

References (48)