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CVE-2023-39197

Kernel: dccp: conntrack out-of-bounds read in nf_conntrack_dccp_packet()

Published: 1/23/2024 Last updated: 11/20/2025 Reserved: 7/25/2023

An out-of-bounds read vulnerability was found in Netfilter Connection Tracking (conntrack) in the Linux kernel. This flaw allows a remote user to disclose sensitive information via the DCCP protocol.

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

Metrics

Version Score Severity Vector String
3.1 4 Medium CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

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 (13)

Product Vendor Version
Red Hat Enterprise Linux 6 Red Hat <= Hotfix 1
Red Hat Enterprise Linux 7 Red Hat Version 1809 for ARM64-based Systems
Red Hat Enterprise Linux 9 Red Hat <= Hotfix 1
Red Hat Enterprise Linux 6 Red Hat 20.3.4.2
Red Hat Enterprise Linux 7 Red Hat <= 23.2.2
Red Hat Enterprise Linux 8 Red Hat 20.6.5.4
Red Hat Enterprise Linux 9 Red Hat <= 2.05
Red Hat Enterprise Linux 8 Red Hat < 14.7
Red Hat Enterprise Linux 7 Red Hat n/a
Red Hat Enterprise Linux 8 Red Hat <= 7.6.11
Red Hat Enterprise Linux 8 Red Hat Version 1809 for x64-based Systems
Red Hat Enterprise Linux 7 Red Hat 20.6.3.2
Red Hat Enterprise Linux 9 Red Hat 17.2.8

References (8)