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CVE-2023-7192

Kernel: refcount leak in ctnetlink_create_conntrack()

Published: 1/2/2024 Last updated: 11/24/2024 Reserved: 12/30/2023

A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.

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 (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 (22)

Product Vendor Version
Red Hat Enterprise Linux 6 Red Hat n/a
Red Hat Enterprise Linux 7 Red Hat <= 6.12.*
Red Hat Enterprise Linux 8.2 Telecommunications Update Service Red Hat < 6.1.7601.26321
Red Hat Enterprise Linux 8 Red Hat < 7.02
Red Hat Enterprise Linux 8.4 Telecommunications Update Service Red Hat 10.4.4
Red Hat Enterprise Linux 9 Red Hat < 7.50
Red Hat Enterprise Linux 8.2 Advanced Update Support Red Hat 10 Version 1809 for ARM64-based Systems
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Red Hat < 6.0.6003.21872
Red Hat Enterprise Linux 8.6 Extended Update Support Red Hat < 6.1.7601.26321
Red Hat Enterprise Linux 8.8 Extended Update Support Red Hat < 21.4R3-S10
Red Hat Enterprise Linux 9.0 Extended Update Support Red Hat < 22.3R3-S4
Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Red Hat Cisco IOx
Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat < 15.0.5397.1001
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat <= 10.5.1
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Red Hat < 23.2R2-S2-EVO
Red Hat Enterprise Linux 9 Red Hat < 10.0.10240.19177
Red Hat Enterprise Linux 8.2 Telecommunications Update Service Red Hat <= *
Red Hat Enterprise Linux 8.4 Telecommunications Update Service Red Hat All Modicon M340, Premium, Quantum PLCs and BMXNOR0203
Red Hat Enterprise Linux 9.0 Extended Update Support Red Hat n/a
Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat < fe9274027697c69c1430dc7ee568f82b331ef972
Red Hat Enterprise Linux 7 Red Hat n/a
Red Hat Enterprise Linux 8 Red Hat < 7.31

References (26)