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CVE-2023-4569

Kernel: information leak in nft_set_catchall_flush in net/netfilter/nf_tables_api.c

Published: 8/28/2023 Last updated: 2/27/2025 Reserved: 8/28/2023

A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, which can result in a memory leak.

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:H/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 (9)

Product Vendor Version
Fedora Fedora Android11/Android12
Red Hat Enterprise Linux 6 Red Hat <= 1.20.1
Red Hat Enterprise Linux 7 Red Hat 701
Red Hat Enterprise Linux 8 Red Hat 750
Red Hat Enterprise Linux 9 Red Hat n/a
Red Hat Enterprise Linux 8 Red Hat 752
Red Hat Enterprise Linux 7 Red Hat <= 6.5.19
Red Hat Enterprise Linux 9 Red Hat <= 2.1.10
Kernel n/a 6.0.4

References (8)