Unrated severityNVD Advisory· Published Aug 28, 2023· Updated Feb 27, 2025

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

CVE-2023-4569

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Red Hat/Enterprise Linux Servercpe-rescue4 versions
cpe:/o:redhat:enterprise_linux:6+ 3 more
- cpe:/o:redhat:enterprise_linux:6
- cpe:/o:redhat:enterprise_linux:7
- cpe:/o:redhat:enterprise_linux:8
- cpe:/o:redhat:enterprise_linux:9
Linux/Kernelllm-fuzzy
osv-coords93 versions
pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.5 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.3 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.4 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP4 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5 pkg:rpm/suse/kernel-livepatch-SLE15-SP4-RT_Update_12&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4 pkg:rpm/suse/kernel-livepatch-SLE15-SP4-RT_Update_13&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4 pkg:rpm/suse/kernel-livepatch-SLE15-SP4_Update_18&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4 pkg:rpm/suse/kernel-livepatch-SLE15-SP5-RT_Update_4&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5 pkg:rpm/suse/kernel-livepatch-SLE15-SP5-RT_Update_5&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5 pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_5&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP4 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP4 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP5 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.3 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.4 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP4 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP4 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP4 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5
< 5.14.21-150400.24.88.1+ 92 more
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.14.66.1
- (no CPE)range: < 5.14.21-150500.33.17.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1.150400.24.40.1
- (no CPE)range: < 5.14.21-150500.55.28.1.150500.6.11.2
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.15.53.1
- (no CPE)range: < 5.14.21-150500.13.18.1
- (no CPE)range: < 5.14.21-150400.15.53.1
- (no CPE)range: < 5.14.21-150500.13.18.1
- (no CPE)range: < 5.14.21-150400.14.66.1
- (no CPE)range: < 5.14.21-150500.33.17.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.15.53.1
- (no CPE)range: < 5.14.21-150500.13.18.1
- (no CPE)range: < 5.14.21-150400.14.66.1
- (no CPE)range: < 5.14.21-150500.33.17.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.15.53.1
- (no CPE)range: < 5.14.21-150500.13.18.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.14.66.1
- (no CPE)range: < 5.14.21-150500.33.17.1
- (no CPE)range: < 5.14.21-150400.24.88.1.150400.24.40.1
- (no CPE)range: < 5.14.21-150400.24.88.1.150400.24.40.1
- (no CPE)range: < 5.14.21-150500.55.28.1.150500.6.11.2
- (no CPE)range: < 5.14.21-150400.24.88.1.150400.24.40.1
- (no CPE)range: < 5.14.21-150500.55.28.1.150500.6.11.2
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 1-150400.1.3.1
- (no CPE)range: < 1-150400.1.3.1
- (no CPE)range: < 1-150400.9.3.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 1-150500.11.5.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.15.53.1
- (no CPE)range: < 5.14.21-150500.13.18.1
- (no CPE)range: < 5.14.21-150400.15.53.1
- (no CPE)range: < 5.14.21-150400.15.53.1
- (no CPE)range: < 5.14.21-150500.13.18.1
- (no CPE)range: < 5.14.21-150400.15.53.1
- (no CPE)range: < 5.14.21-150500.13.18.1
- (no CPE)range: < 5.14.21-150400.14.66.1
- (no CPE)range: < 5.14.21-150500.33.17.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.15.53.1
- (no CPE)range: < 5.14.21-150500.13.18.1
- (no CPE)range: < 5.14.21-150400.14.66.1
- (no CPE)range: < 5.14.21-150500.33.17.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
- (no CPE)range: < 5.14.21-150400.15.53.1
- (no CPE)range: < 5.14.21-150500.13.18.1
- (no CPE)range: < 5.14.21-150400.24.88.1
- (no CPE)range: < 5.14.21-150500.55.28.1
Fedora/Fedorav5

Patches

Vulnerability mechanics

References

access.redhat.com/security/cve/CVE-2023-4569mitrevdb-entryx_refsource_REDHAT
bugzilla.redhat.com/show_bug.cgimitreissue-trackingx_refsource_REDHAT
patchwork.ozlabs.org/project/netfilter-devel/patch/20230812110526.49808-1-fw@strlen.de/mitre
www.debian.org/security/2023/dsa-5492mitre

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000