Memory leak in Linux kernel - CVE-2022-48642

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Main Vulnerability Database Vulnerabilities #VU89996

Memory leak in Linux kernel - CVE-2022-48642

Published: May 30, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU89996
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-48642
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the nf_tables_addchain() function in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Micro
Public Cloud Module
SUSE Linux Enterprise Live Patching
SUSE Real Time Module
Legacy Module
Development Tools Module
Basesystem Module
openSUSE Leap
openEuler
kernel-livepatch-SLE15-SP5_Update_13-debugsource
kernel-livepatch-5_14_21-150500_55_62-default
kernel-livepatch-5_14_21-150500_55_62-default-debuginfo
kernel-livepatch-5_14_21-150500_13_52-rt
kernel-livepatch-SLE15-SP5-RT_Update_14-debugsource
kernel-livepatch-5_14_21-150500_13_52-rt-debuginfo
python3-perf-debuginfo
kernel
kernel-debuginfo
kernel-debugsource
kernel-headers
kernel-source
kernel-tools
python3-perf
perf-debuginfo
kernel-tools-debuginfo
perf
kernel-devel
kernel-tools-devel
dlm-kmp-rt
gfs2-kmp-rt-debuginfo
kernel-rt-livepatch
kernel-rt-optional-debuginfo
kernel-rt_debug-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-debugsource
kernel-rt-vdso
kernel-rt-devel-debuginfo
kernel-rt-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-livepatch-devel
cluster-md-kmp-rt
kselftests-kmp-rt-debuginfo
kernel-rt-extra-debuginfo
kernel-source-rt
kernel-devel-rt
reiserfs-kmp-rt
kernel-rt
kernel-rt_debug
kernel-rt-devel
kernel-syms-rt
kernel-rt_debug-devel-debuginfo
kernel-rt-extra
ocfs2-kmp-rt-debuginfo
kernel-rt-optional
kernel-rt_debug-debugsource
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-devel
ocfs2-kmp-rt
kernel-rt_debug-livepatch-devel
kernel-rt_debug-vdso
dlm-kmp-rt-debuginfo
kernel-rt_debug-vdso-debuginfo
gfs2-kmp-rt
kselftests-kmp-rt
ocfs2-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
kernel-devel-azure
kernel-source-azure
kernel-azure-vdso
kernel-azure-vdso-debuginfo
kernel-azure
gfs2-kmp-azure
kernel-syms-azure
kernel-azure-devel-debuginfo
ocfs2-kmp-azure
kselftests-kmp-azure-debuginfo
reiserfs-kmp-azure-debuginfo
kernel-azure-optional
kernel-azure-optional-debuginfo
cluster-md-kmp-azure
kernel-azure-extra
reiserfs-kmp-azure
kernel-azure-extra-debuginfo
kernel-azure-debuginfo
gfs2-kmp-azure-debuginfo
dlm-kmp-azure
kernel-azure-debugsource
kselftests-kmp-azure
kernel-azure-devel
dlm-kmp-azure-debuginfo
kernel-azure-livepatch-devel
dtb-renesas
dtb-sprd
dtb-qcom
dtb-apm
dtb-amazon
dtb-allwinner
dtb-exynos
dtb-freescale
dtb-nvidia
dtb-rockchip
dtb-cavium
dtb-broadcom
dtb-amd
dtb-altera
dtb-marvell
dtb-arm
kernel-obs-qa
dtb-hisilicon
dtb-lg
dtb-amlogic
dtb-xilinx
dtb-mediatek
dtb-aarch64
dtb-apple
kernel-syms
dtb-socionext
kernel-default-optional
gfs2-kmp-default-debuginfo
kernel-default-livepatch-devel
kernel-macros
kernel-kvmsmall
kernel-default
kernel-default-devel
kernel-docs
kernel-debug-livepatch-devel
kernel-source-vanilla
kernel-docs-html
kernel-debug
kernel-debug-debugsource
kernel-debug-devel
kernel-debug-devel-debuginfo
kernel-debug-debuginfo
kernel-default-vdso-debuginfo
ocfs2-kmp-default
dlm-kmp-default
kernel-default-devel-debuginfo
dlm-kmp-default-debuginfo
reiserfs-kmp-default
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-extra-debuginfo
reiserfs-kmp-default-debuginfo
kernel-default-extra
kselftests-kmp-default-debuginfo
kernel-obs-build-debugsource
cluster-md-kmp-default
gfs2-kmp-default
kernel-default-livepatch
kernel-default-debuginfo
kernel-default-debugsource
kselftests-kmp-default
ocfs2-kmp-64kb-debuginfo
kernel-64kb-optional
gfs2-kmp-64kb-debuginfo
kernel-zfcpdump-debugsource
kernel-default-optional-debuginfo
dlm-kmp-64kb-debuginfo
kernel-64kb-extra-debuginfo
kernel-64kb-optional-debuginfo
kernel-64kb-livepatch-devel
kselftests-kmp-64kb-debuginfo
kernel-zfcpdump-debuginfo
reiserfs-kmp-64kb-debuginfo
reiserfs-kmp-64kb
kernel-64kb-debugsource
kselftests-kmp-64kb
ocfs2-kmp-64kb
kernel-64kb-devel
dlm-kmp-64kb
kernel-64kb-extra
cluster-md-kmp-64kb-debuginfo
kernel-kvmsmall-devel
kernel-default-vdso
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
gfs2-kmp-64kb
kernel-debug-vdso-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-livepatch-devel
kernel-kvmsmall-debugsource
kernel-debug-vdso
kernel-kvmsmall-debuginfo
kernel-obs-build
kernel-64kb
kernel-64kb-debuginfo
kernel-64kb-devel-debuginfo
kernel-zfcpdump
cluster-md-kmp-64kb
kernel-default-base-rebuild
kernel-default-base

How to mitigate CVE-2022-48642

Install update from vendor's website.

Linux kernel - addressed in versions 5.10.146, 5.15.71, 5.19.12, 6.0
kernel-livepatch-SLE15-SP5_Update_13-debugsource - update to 1-150500.11.3.2
kernel-livepatch-5_14_21-150500_55_62-default - update to 1-150500.11.3.2
kernel-livepatch-5_14_21-150500_55_62-default-debuginfo - update to 1-150500.11.3.2
kernel-livepatch-5_14_21-150500_13_52-rt - update to 1-150500.11.5.1
kernel-livepatch-SLE15-SP5-RT_Update_14-debugsource - update to 1-150500.11.5.1
kernel-livepatch-5_14_21-150500_13_52-rt-debuginfo - update to 1-150500.11.5.1
python3-perf-debuginfo - update to 5.10.0-136.91.0.172
kernel - update to 5.10.0-136.91.0.172
kernel-debuginfo - update to 5.10.0-136.91.0.172
kernel-debugsource - update to 5.10.0-136.91.0.172
kernel-headers - update to 5.10.0-136.91.0.172
kernel-source - update to 5.10.0-136.91.0.172
kernel-tools - update to 5.10.0-136.91.0.172
python3-perf - update to 5.10.0-136.91.0.172
perf-debuginfo - update to 5.10.0-136.91.0.172
kernel-tools-debuginfo - update to 5.10.0-136.91.0.172
perf - update to 5.10.0-136.91.0.172
kernel-devel - update to 5.10.0-136.91.0.172
kernel-tools-devel - update to 5.10.0-136.91.0.172
dlm-kmp-rt - update to 5.14.21-150500.13.52.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-livepatch - update to 5.14.21-150500.13.52.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-debugsource - update to 5.14.21-150500.13.52.1
kernel-rt-vdso - update to 5.14.21-150500.13.52.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-debuginfo - update to 5.14.21-150500.13.52.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.52.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.52.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.52.1
kernel-source-rt - update to 5.14.21-150500.13.52.1
kernel-devel-rt - update to 5.14.21-150500.13.52.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.52.1
kernel-rt - update to 5.14.21-150500.13.52.1
kernel-rt_debug - update to 5.14.21-150500.13.52.1
kernel-rt-devel - update to 5.14.21-150500.13.52.1
kernel-syms-rt - update to 5.14.21-150500.13.52.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-extra - update to 5.14.21-150500.13.52.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-optional - update to 5.14.21-150500.13.52.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.52.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.52.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.52.1
kernel-rt_debug-livepatch-devel - update to 5.14.21-150500.13.52.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.52.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.52.1
gfs2-kmp-rt - update to 5.14.21-150500.13.52.1
kselftests-kmp-rt - update to 5.14.21-150500.13.52.1
ocfs2-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
cluster-md-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
kernel-devel-azure - update to 5.14.21-150500.33.51.1
kernel-source-azure - update to 5.14.21-150500.33.51.1
kernel-azure-vdso - update to 5.14.21-150500.33.51.1
kernel-azure-vdso-debuginfo - update to 5.14.21-150500.33.51.1
kernel-azure - update to 5.14.21-150500.33.51.1
gfs2-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-syms-azure - update to 5.14.21-150500.33.51.1
kernel-azure-devel-debuginfo - update to 5.14.21-150500.33.51.1
ocfs2-kmp-azure - update to 5.14.21-150500.33.51.1
kselftests-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
reiserfs-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
kernel-azure-optional - update to 5.14.21-150500.33.51.1
kernel-azure-optional-debuginfo - update to 5.14.21-150500.33.51.1
cluster-md-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-azure-extra - update to 5.14.21-150500.33.51.1
reiserfs-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-azure-extra-debuginfo - update to 5.14.21-150500.33.51.1
kernel-azure-debuginfo - update to 5.14.21-150500.33.51.1
gfs2-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
dlm-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-azure-debugsource - update to 5.14.21-150500.33.51.1
kselftests-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-azure-devel - update to 5.14.21-150500.33.51.1
dlm-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
kernel-azure-livepatch-devel - update to 5.14.21-150500.33.51.1
dtb-renesas - update to 5.14.21-150500.55.62.1
dtb-sprd - update to 5.14.21-150500.55.62.1
dtb-qcom - update to 5.14.21-150500.55.62.1
dtb-apm - update to 5.14.21-150500.55.62.1
dtb-amazon - update to 5.14.21-150500.55.62.1
dtb-allwinner - update to 5.14.21-150500.55.62.1
dtb-exynos - update to 5.14.21-150500.55.62.1
dtb-freescale - update to 5.14.21-150500.55.62.1
dtb-nvidia - update to 5.14.21-150500.55.62.1
dtb-rockchip - update to 5.14.21-150500.55.62.1
dtb-cavium - update to 5.14.21-150500.55.62.1
dtb-broadcom - update to 5.14.21-150500.55.62.1
dtb-amd - update to 5.14.21-150500.55.62.1
dtb-altera - update to 5.14.21-150500.55.62.1
dtb-marvell - update to 5.14.21-150500.55.62.1
dtb-arm - update to 5.14.21-150500.55.62.1
kernel-obs-qa - update to 5.14.21-150500.55.62.1
dtb-hisilicon - update to 5.14.21-150500.55.62.1
dtb-lg - update to 5.14.21-150500.55.62.1
dtb-amlogic - update to 5.14.21-150500.55.62.1
dtb-xilinx - update to 5.14.21-150500.55.62.1
dtb-mediatek - update to 5.14.21-150500.55.62.1
dtb-aarch64 - update to 5.14.21-150500.55.62.1
dtb-apple - update to 5.14.21-150500.55.62.1
kernel-syms - update to 5.14.21-150500.55.62.1
dtb-socionext - update to 5.14.21-150500.55.62.1
kernel-default-optional - update to 5.14.21-150500.55.62.2
gfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-default-livepatch-devel - update to 5.14.21-150500.55.62.2
kernel-macros - update to 5.14.21-150500.55.62.2
kernel-kvmsmall - update to 5.14.21-150500.55.62.2
kernel-default - update to 5.14.21-150500.55.62.2
kernel-default-devel - update to 5.14.21-150500.55.62.2
kernel-docs - update to 5.14.21-150500.55.62.2
kernel-devel - update to 5.14.21-150500.55.62.2
kernel-debug-livepatch-devel - update to 5.14.21-150500.55.62.2
kernel-source-vanilla - update to 5.14.21-150500.55.62.2
kernel-docs-html - update to 5.14.21-150500.55.62.2
kernel-source - update to 5.14.21-150500.55.62.2
kernel-debug - update to 5.14.21-150500.55.62.2
kernel-debug-debugsource - update to 5.14.21-150500.55.62.2
kernel-debug-devel - update to 5.14.21-150500.55.62.2
kernel-debug-devel-debuginfo - update to 5.14.21-150500.55.62.2
kernel-debug-debuginfo - update to 5.14.21-150500.55.62.2
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.62.2
ocfs2-kmp-default - update to 5.14.21-150500.55.62.2
dlm-kmp-default - update to 5.14.21-150500.55.62.2
kernel-default-devel-debuginfo - update to 5.14.21-150500.55.62.2
dlm-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
reiserfs-kmp-default - update to 5.14.21-150500.55.62.2
ocfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
cluster-md-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-default-extra-debuginfo - update to 5.14.21-150500.55.62.2
reiserfs-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-default-extra - update to 5.14.21-150500.55.62.2
kselftests-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-obs-build-debugsource - update to 5.14.21-150500.55.62.2
cluster-md-kmp-default - update to 5.14.21-150500.55.62.2
gfs2-kmp-default - update to 5.14.21-150500.55.62.2
kernel-default-livepatch - update to 5.14.21-150500.55.62.2
kernel-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-default-debugsource - update to 5.14.21-150500.55.62.2
kselftests-kmp-default - update to 5.14.21-150500.55.62.2
ocfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
kernel-64kb-optional - update to 5.14.21-150500.55.62.2
gfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
kernel-zfcpdump-debugsource - update to 5.14.21-150500.55.62.2
kernel-default-optional-debuginfo - update to 5.14.21-150500.55.62.2
dlm-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
kernel-64kb-extra-debuginfo - update to 5.14.21-150500.55.62.2
kernel-64kb-optional-debuginfo - update to 5.14.21-150500.55.62.2
kernel-64kb-livepatch-devel - update to 5.14.21-150500.55.62.2
kselftests-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
kernel-zfcpdump-debuginfo - update to 5.14.21-150500.55.62.2
reiserfs-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
reiserfs-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-64kb-debugsource - update to 5.14.21-150500.55.62.2
kselftests-kmp-64kb - update to 5.14.21-150500.55.62.2
ocfs2-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-64kb-devel - update to 5.14.21-150500.55.62.2
dlm-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-64kb-extra - update to 5.14.21-150500.55.62.2
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-devel - update to 5.14.21-150500.55.62.2
kernel-default-vdso - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.62.2
gfs2-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-debug-vdso-debuginfo - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-devel-debuginfo - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-livepatch-devel - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-debugsource - update to 5.14.21-150500.55.62.2
kernel-debug-vdso - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-debuginfo - update to 5.14.21-150500.55.62.2
kernel-obs-build - update to 5.14.21-150500.55.62.2
kernel-64kb - update to 5.14.21-150500.55.62.2
kernel-64kb-debuginfo - update to 5.14.21-150500.55.62.2
kernel-64kb-devel-debuginfo - update to 5.14.21-150500.55.62.2
kernel-zfcpdump - update to 5.14.21-150500.55.62.2
cluster-md-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-default-base-rebuild - update to 5.14.21-150500.55.62.2.150500.6.27.2
kernel-default-base - update to 5.14.21-150500.55.62.2.150500.6.27.2

External References

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