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CVE-2023-6536

Kernel: null pointer dereference in __nvmet_req_complete

Published: 2/7/2024 Last updated: 11/6/2025 Reserved: 12/5/2023

A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver, causing kernel panic and a denial of service.

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

Metrics

Version Score Severity Vector String
3.1 6.5 Medium CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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 (55)

Product Vendor Version
Red Hat Enterprise Linux 7 Red Hat 2012 (Core installation)
Red Hat Enterprise Linux 6 Red Hat < publication
Red Hat Enterprise Linux 8.6 Extended Update Support Red Hat 2.3.3.3-AIRGAP-CA
Red Hat Enterprise Linux 8.8 Extended Update Support Red Hat n/a
Red Hat Enterprise Linux 9 Red Hat >= 2.3.0, < 2.3.1
Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat 2008 R2 for x64-based Systems Service Pack 1 (Core installation)
Red Hat Enterprise Linux 8 Red Hat n/a
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Red Hat n/a
Red Hat Enterprise Linux 7 Red Hat 15.3(3)JPN1
Red Hat Enterprise Linux 6 Red Hat 6.0.6
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Red Hat <= 3.08.01
Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat 6.0
Red Hat Enterprise Linux 9 Red Hat 15.3(3)JPK6
Red Hat Enterprise Linux 9 Red Hat n/a
Red Hat Enterprise Linux 8.8 Extended Update Support Red Hat n/a
Red Hat Enterprise Linux 8.6 Extended Update Support Red Hat 15.3(3)JPK5
Red Hat Enterprise Linux 8 Red Hat 15.3(3)JPK4
Red Hat Enterprise Linux 8 Red Hat >= 2.2.0, < 2.2.1
Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat 2.3.3.4
Red Hat Enterprise Linux 7 Red Hat 2019.010.20100 and earlier, 2019.010.20099 and earlier, 2017.011.30140 and earlier version, 2017.011.30138 and earlier version, 2015.006.30495 and earlier, and 2015.006.30493 and earlier versions
Red Hat Enterprise Linux 9 Red Hat 2.3.3.5
Red Hat Enterprise Linux 8 Red Hat 15.3(3)JPK3
Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat 15.3(3)JPK7
Red Hat Enterprise Linux 7 Red Hat 7.0.41 to 7.0.78
Red Hat Enterprise Linux 9 Red Hat <= 3.08.01
RHOL-5.8-RHEL-9 Red Hat 6.0.1
RHOL-5.8-RHEL-9 Red Hat < 10.0.19043.1766
RHOL-5.8-RHEL-9 Red Hat n/a
RHOL-5.8-RHEL-9 Red Hat 15.3(3)JPK8
RHOL-5.8-RHEL-9 Red Hat 2008 R2 for Itanium-Based Systems Service Pack 1
RHOL-5.8-RHEL-9 Red Hat 2.3.3.4-AIRGAP
RHOL-5.8-RHEL-9 Red Hat 6.0.2
RHOL-5.8-RHEL-9 Red Hat < 5.5.4
RHOL-5.8-RHEL-9 Red Hat 15.3(3)JPK9
RHOL-5.8-RHEL-9 Red Hat 2008 R2 for x64-based Systems Service Pack 1
RHOL-5.8-RHEL-9 Red Hat 6.0.3
RHOL-5.8-RHEL-9 Red Hat 15.3(3)JPL
RHOL-5.8-RHEL-9 Red Hat 2.3.3.4-AIRGAP-MDNAC
RHOL-5.8-RHEL-9 Red Hat 9.0.0.M1 to 9.0.0.M21
RHOL-5.8-RHEL-9 Red Hat n/a
RHOL-5.8-RHEL-9 Red Hat <= 3.08.01
RHOL-5.8-RHEL-9 Red Hat 2008 for 32-bit Systems Service Pack 2 (Core installation)
RHOL-5.8-RHEL-9 Red Hat 6.0.4
RHOL-5.8-RHEL-9 Red Hat 15.3(3)JPM
RHOL-5.8-RHEL-9 Red Hat 2.3.3.4-HF1
RHOL-5.8-RHEL-9 Red Hat 8.5.0 to 8.5.15
RHOL-5.8-RHEL-9 Red Hat 6.0.5
RHOL-5.8-RHEL-9 Red Hat 2012
RHOL-5.8-RHEL-9 Red Hat n/a
RHOL-5.8-RHEL-9 Red Hat 15.3(3)JPN
RHOL-5.8-RHEL-9 Red Hat 8.0.0.RC1 to 8.0.44
RHOL-5.8-RHEL-9 Red Hat n/a
RHOL-5.8-RHEL-9 Red Hat 2.3.4.0
RHOL-5.8-RHEL-9 Red Hat n/a
RHOL-5.8-RHEL-9 Red Hat <= 11.0.2

References (46)

Credits (2)