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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 (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 (20)

Product Vendor Version
Red Hat Enterprise Linux 6 Red Hat < 4fe1ec995483737f3d2a14c3fe1d8fe634972979
Red Hat Enterprise Linux 7 Red Hat 2.6.12
Red Hat Enterprise Linux 9 Red Hat <= 4.9.*
Red Hat Enterprise Linux 7 Red Hat < 2.6.12
RHOL-5.8-RHEL-9 Red Hat < e00077aa439f0e8f416699fa4e9600db6583db70
RHOL-5.8-RHEL-9 Red Hat < 9efcc83b33b576302147634eca9bece8e3737e34
RHOL-5.8-RHEL-9 Red Hat < a50e1fcbc9b85fd4e95b89a75c0884cb032a3e06
RHOL-5.8-RHEL-9 Red Hat 3.4
RHOL-5.8-RHEL-9 Red Hat < 3.4
RHOL-5.8-RHEL-9 Red Hat <= 5.15.*
RHOL-5.8-RHEL-9 Red Hat <= 5.16.*
RHOL-5.8-RHEL-9 Red Hat <= *
RHOL-5.8-RHEL-9 Red Hat n/a
RHOL-5.8-RHEL-9 Red Hat < 0c8d4112df329bf3dfbf27693f918c3b08676538
RHOL-5.8-RHEL-9 Red Hat < 6a818db0d5aecf80d4ba9e10ac153f60adc629ca
RHOL-5.8-RHEL-9 Red Hat < 3a1c35d72dc0b34d1e746ed705790c0f630aa427
RHOL-5.8-RHEL-9 Red Hat < b545c0e1e4094d4de2bdfe9a3823f9154b0c0005
RHOL-5.8-RHEL-9 Red Hat < f59f5a269ca5e43c567aca7f1f52500a0186e9b7
RHOL-5.8-RHEL-9 Red Hat < 6ffce7a92ef5c68f7e5d6f4d722c2f96280c064b
RHOL-5.8-RHEL-9 Red Hat < 5398b8e275bf81a2517b327d216c0f37ac9ac5ae

References (46)

Credits (2)