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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 (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted 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 (30)

Product Vendor Version
Red Hat Enterprise Linux 7 Red Hat 4.5
Red Hat Enterprise Linux 6 Red Hat < 00c9c9628b49e368d140cfa61d7df9b8922ec2a8
Red Hat Enterprise Linux 8.6 Extended Update Support Red Hat < f17472d4599697d701aa239b4c475a506bccfd19
Red Hat Enterprise Linux 8.8 Extended Update Support Red Hat 5.16
Red Hat Enterprise Linux 9 Red Hat < 5.16
Red Hat Enterprise Linux 9 Red Hat <= 6.0.*
Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat <= 6.1.*
Red Hat Enterprise Linux 8 Red Hat < e6d276dcc9204f95632580c43d66c52ca502d7ec
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Red Hat < d7ce7bb6881aae186e50f57eea935cff8d504751
Red Hat Enterprise Linux 8 Red Hat < 3f3d54962a032581996edda8e6bcbf7a30371234
Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat <= *
Red Hat Enterprise Linux 7 Red Hat < 4.5
Red Hat Enterprise Linux 9 Red Hat <= 5.4.*
RHOL-5.8-RHEL-9 Red Hat < 24ee53c6bce15500db22f2a7aee9dd830e806c90
RHOL-5.8-RHEL-9 Red Hat < d6379ce242960a8e9ecd6ff76f476d9336c21f16
RHOL-5.8-RHEL-9 Red Hat < bfcdbae0523bd95eb75a739ffb6221a37109881e
RHOL-5.8-RHEL-9 Red Hat 5.15
RHOL-5.8-RHEL-9 Red Hat < 5.15
RHOL-5.8-RHEL-9 Red Hat <= 5.15.*
RHOL-5.8-RHEL-9 Red Hat <= 6.0.*
RHOL-5.8-RHEL-9 Red Hat <= 6.1.*
RHOL-5.8-RHEL-9 Red Hat <= *
RHOL-5.8-RHEL-9 Red Hat < 0336bfe9c237476bd7c45605a36ca79c2bca62e5
RHOL-5.8-RHEL-9 Red Hat < 810cd546a29bfac90ed1328ea01d693d4bd11cb1
RHOL-5.8-RHEL-9 Red Hat < 84ef8dd3238330d1795745ece83b19f0295751bf
RHOL-5.8-RHEL-9 Red Hat < 57418de35420cedab035aa1da8a26c0499b7f575
RHOL-5.8-RHEL-9 Red Hat < 9f53b2433ad248cd3342cc345f56f5c7904bd8c4
RHOL-5.8-RHEL-9 Red Hat < 7d483ad300fc0a06f69b019dda8f74970714baf8
RHOL-5.8-RHEL-9 Red Hat < 46e3763dcae0ffcf8fcfaff4fc10a90a92ffdd89
RHOL-5.8-RHEL-9 Red Hat < 3a896498f6f577e57bf26aaa93b48c22b6d20c20

References (48)