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CVE-2023-6622

Kernel: null pointer dereference vulnerability in nft_dynset_init()

Published: 12/8/2023 Last updated: 11/6/2025 Reserved: 12/8/2023

A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service.

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

Metrics

Version Score Severity Vector String
3.1 5.5 Medium CVSS:3.1/AV:L/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 (15)

Product Vendor Version
Red Hat Enterprise Linux 9 Red Hat <= 3.0.0
Red Hat Enterprise Linux 6 Red Hat < 59d74c843ebf46264c7903726cf6f2673a93b07a
Red Hat Enterprise Linux 7 Red Hat < 40e5444a3ac315b60e94d82226b73cd82145d09e
Red Hat Enterprise Linux 9 Red Hat <= 5.4.*
Red Hat Enterprise Linux 6 Red Hat <= 5.10.*
Red Hat Enterprise Linux 7 Red Hat <= 5.15.*
Red Hat Enterprise Linux 8 Red Hat 2.6.14
Red Hat Enterprise Linux 9 Red Hat < 2.6.14
Red Hat Enterprise Linux 8 Red Hat <= < 17.4.0
Red Hat Enterprise Linux 9 Red Hat <= <= 1.8
Red Hat Enterprise Linux 9 Red Hat < 68c8ba16ab712eb709c6bab80ff151079d11d97a
Red Hat Enterprise Linux 7 Red Hat <= 6.1.*
Red Hat Enterprise Linux 9 Red Hat <= 6.6.*
Red Hat Enterprise Linux 7 Red Hat < a05c1ede50e9656f0752e523c7b54f3a3489e9a8
Red Hat Enterprise Linux 8 Red Hat < bed18f0bdcd6737a938264a59d67923688696fc4

References (28)

Credits (2)