NULL pointer dereference in Linux kernel - CVE-2023-52573

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Main Vulnerability Database Vulnerabilities #VU90842

NULL pointer dereference in Linux kernel - CVE-2023-52573

Published: June 3, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU90842
CSH Severity: Low
CVSS v4 BT: 4.3 [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/E:U/U:Clear]
CVE-ID: CVE-2023-52573
CWE-ID: CWE-476
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 NULL pointer dereference within the rds_rdma_cm_event_handler_cmn() function in net/rds/rdma_transport.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Amazon Linux AMI
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 Performance Computing 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Micro
openSUSE Leap Micro
SUSE Linux Enterprise Live Patching
Public Cloud Module
Legacy Module
Development Tools Module
Basesystem Module
SUSE Real Time Module
openSUSE Leap
openEuler
kernel-livepatch-5_14_21-150500_13_64-rt-debuginfo
kernel-livepatch-5_14_21-150500_13_64-rt
kernel-livepatch-SLE15-SP5-RT_Update_18-debugsource
kernel-livepatch-5_14_21-150500_55_73-default-debuginfo
kernel-livepatch-5_14_21-150500_55_73-default
kernel-livepatch-SLE15-SP5_Update_17-debugsource
perf-debuginfo
kernel-debuginfo
bpftool-debuginfo
kernel-devel
kernel-tools-debuginfo
perf
bpftool
kernel-tools
python3-perf-debuginfo
python3-perf
kernel-headers
kernel-source
kernel-debugsource
kernel
kernel-tools-devel
kernel-rt_debug-vdso-debuginfo
gfs2-kmp-rt-debuginfo
dlm-kmp-rt
kernel-rt-debugsource
reiserfs-kmp-rt-debuginfo
dlm-kmp-rt-debuginfo
kernel-rt-livepatch-devel
kernel-rt-vdso-debuginfo
kernel-syms-rt
kernel-rt-extra
kernel-rt-optional
kselftests-kmp-rt
kernel-rt-extra-debuginfo
kernel-rt-vdso
kernel-rt_debug
kernel-rt
kernel-rt_debug-livepatch-devel
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-vdso
kernel-rt-livepatch
kernel-devel-rt
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-devel
ocfs2-kmp-rt
gfs2-kmp-rt
kernel-rt_debug-debuginfo
kernel-rt-optional-debuginfo
kernel-rt-devel-debuginfo
cluster-md-kmp-rt
kernel-rt_debug-debugsource
kernel-source-rt
kernel-rt_debug-devel-debuginfo
kselftests-kmp-rt-debuginfo
kernel-rt-debuginfo
kernel-rt-devel
reiserfs-kmp-rt
cluster-md-kmp-azure
ocfs2-kmp-azure-debuginfo
kernel-azure-optional-debuginfo
ocfs2-kmp-azure
kernel-azure-devel
reiserfs-kmp-azure-debuginfo
gfs2-kmp-azure
reiserfs-kmp-azure
dlm-kmp-azure
kernel-azure-extra-debuginfo
cluster-md-kmp-azure-debuginfo
kselftests-kmp-azure-debuginfo
kernel-azure-devel-debuginfo
kernel-devel-azure
kernel-source-azure
dlm-kmp-azure-debuginfo
kernel-azure-vdso
kernel-azure-vdso-debuginfo
kernel-azure
kernel-azure-livepatch-devel
gfs2-kmp-azure-debuginfo
kernel-syms-azure
kernel-azure-debugsource
kernel-azure-debuginfo
kernel-azure-extra
kernel-azure-optional
kselftests-kmp-azure
kernel-64kb-debugsource
dtb-apple
dtb-cavium
dtb-socionext
dtb-nvidia
dtb-amd
kernel-kvmsmall-devel
cluster-md-kmp-64kb-debuginfo
reiserfs-kmp-64kb
ocfs2-kmp-64kb
dtb-rockchip
dtb-renesas
dlm-kmp-64kb
reiserfs-kmp-64kb-debuginfo
kernel-64kb-debuginfo
kselftests-kmp-64kb
kernel-64kb-devel
kernel-64kb-livepatch-devel
dtb-sprd
kernel-64kb
ocfs2-kmp-64kb-debuginfo
dtb-freescale
dtb-exynos
dlm-kmp-64kb-debuginfo
kernel-64kb-devel-debuginfo
gfs2-kmp-64kb-debuginfo
dtb-marvell
dtb-hisilicon
dtb-apm
dtb-amazon
kselftests-kmp-64kb-debuginfo
kernel-64kb-optional
dtb-qcom
dtb-broadcom
dtb-altera
dtb-mediatek
dtb-arm
dtb-amlogic
kernel-debug-vdso
gfs2-kmp-default-debuginfo
kernel-default-optional
kernel-default-devel-debuginfo
kselftests-kmp-default-debuginfo
kernel-syms
kernel-default-livepatch-devel
gfs2-kmp-default
ocfs2-kmp-default
kselftests-kmp-default
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debuginfo
kernel-kvmsmall-livepatch-devel
kernel-kvmsmall-debugsource
kernel-debug-vdso-debuginfo
kernel-64kb-extra
kernel-default-vdso-debuginfo
kernel-default-vdso
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-debug-devel-debuginfo
kernel-debug-devel
kernel-debug-debugsource
kernel-debug-debuginfo
kernel-debug-livepatch-devel
kernel-debug
kernel-source-vanilla
kernel-macros
kernel-obs-qa
kernel-64kb-extra-debuginfo
dtb-allwinner
kernel-64kb-optional-debuginfo
gfs2-kmp-64kb
cluster-md-kmp-64kb
dtb-lg
dtb-xilinx
dtb-aarch64
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
kernel-kvmsmall
kernel-default
kernel-default-debuginfo
kernel-obs-build-debugsource
kernel-default-livepatch
kernel-obs-build
reiserfs-kmp-default
kernel-default-extra-debuginfo
reiserfs-kmp-default-debuginfo
dlm-kmp-default
kernel-default-extra
cluster-md-kmp-default
kernel-default-devel
ocfs2-kmp-default-debuginfo
kernel-default-debugsource
dlm-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-optional-debuginfo
kernel-default-base
kernel-default-base-rebuild
kernel-docs-html
kernel-docs

How to mitigate CVE-2023-52573

Install update from vendor's website.

Linux kernel - addressed in versions 5.4.258, 5.10.198, 5.15.134, 6.1.56, 6.5.6, 6.6
kernel-livepatch-5_14_21-150500_13_64-rt-debuginfo - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_13_64-rt - update to 1-150500.11.3.1
kernel-livepatch-SLE15-SP5-RT_Update_18-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_73-default-debuginfo - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_73-default - update to 1-150500.11.3.1
kernel-livepatch-SLE15-SP5_Update_17-debugsource - update to 1-150500.11.3.1
perf-debuginfo - addressed in versions 5.10.0-60.134.0.161, 5.10.0-136.72.0.152, 5.10.0-153.51.0.129, 5.10.0-196.0.0.109
kernel-debuginfo - addressed in versions 5.10.0-60.134.0.161, 5.10.0-136.72.0.152, 5.10.0-153.51.0.129, 5.10.0-196.0.0.109
bpftool-debuginfo - update to 5.10.0-60.134.0.161
kernel-devel - addressed in versions 5.10.0-60.134.0.161, 5.10.0-136.72.0.152, 5.10.0-153.51.0.129, 5.10.0-196.0.0.109
kernel-tools-debuginfo - addressed in versions 5.10.0-60.134.0.161, 5.10.0-136.72.0.152, 5.10.0-153.51.0.129, 5.10.0-196.0.0.109
perf - addressed in versions 5.10.0-60.134.0.161, 5.10.0-136.72.0.152, 5.10.0-153.51.0.129, 5.10.0-196.0.0.109
bpftool - update to 5.10.0-60.134.0.161
kernel-tools - addressed in versions 5.10.0-60.134.0.161, 5.10.0-136.72.0.152, 5.10.0-153.51.0.129, 5.10.0-196.0.0.109
python3-perf-debuginfo - addressed in versions 5.10.0-60.134.0.161, 5.10.0-136.72.0.152, 5.10.0-153.51.0.129, 5.10.0-196.0.0.109
python3-perf - addressed in versions 5.10.0-60.134.0.161, 5.10.0-136.72.0.152, 5.10.0-153.51.0.129, 5.10.0-196.0.0.109
kernel-headers - addressed in versions 5.10.0-60.134.0.161, 5.10.0-136.72.0.152, 5.10.0-153.51.0.129, 5.10.0-196.0.0.109
kernel-source - addressed in versions 5.10.0-60.134.0.161, 5.10.0-136.72.0.152, 5.10.0-153.51.0.129, 5.10.0-196.0.0.109
kernel-debugsource - addressed in versions 5.10.0-60.134.0.161, 5.10.0-136.72.0.152, 5.10.0-153.51.0.129, 5.10.0-196.0.0.109
kernel - addressed in versions 5.10.0-60.134.0.161, 5.10.0-136.72.0.152, 5.10.0-153.51.0.129, 5.10.0-196.0.0.109
kernel-tools-devel - addressed in versions 5.10.0-60.134.0.161, 5.10.0-136.72.0.152, 5.10.0-153.51.0.129, 5.10.0-196.0.0.109
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.64.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.64.1
dlm-kmp-rt - update to 5.14.21-150500.13.64.1
kernel-rt-debugsource - update to 5.14.21-150500.13.64.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.64.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.64.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.64.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.64.1
kernel-syms-rt - update to 5.14.21-150500.13.64.1
kernel-rt-extra - update to 5.14.21-150500.13.64.1
kernel-rt-optional - update to 5.14.21-150500.13.64.1
kselftests-kmp-rt - update to 5.14.21-150500.13.64.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.64.1
kernel-rt-vdso - update to 5.14.21-150500.13.64.1
kernel-rt_debug - update to 5.14.21-150500.13.64.1
kernel-rt - update to 5.14.21-150500.13.64.1
kernel-rt_debug-livepatch-devel - update to 5.14.21-150500.13.64.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.64.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.64.1
kernel-rt-livepatch - update to 5.14.21-150500.13.64.1
kernel-devel-rt - update to 5.14.21-150500.13.64.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.64.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.64.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.64.1
gfs2-kmp-rt - update to 5.14.21-150500.13.64.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.64.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.64.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.64.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.64.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.64.1
kernel-source-rt - update to 5.14.21-150500.13.64.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.64.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.64.1
kernel-rt-debuginfo - update to 5.14.21-150500.13.64.1
kernel-rt-devel - update to 5.14.21-150500.13.64.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.64.1
cluster-md-kmp-azure - update to 5.14.21-150500.33.63.1
ocfs2-kmp-azure-debuginfo - update to 5.14.21-150500.33.63.1
kernel-azure-optional-debuginfo - update to 5.14.21-150500.33.63.1
ocfs2-kmp-azure - update to 5.14.21-150500.33.63.1
kernel-azure-devel - update to 5.14.21-150500.33.63.1
reiserfs-kmp-azure-debuginfo - update to 5.14.21-150500.33.63.1
gfs2-kmp-azure - update to 5.14.21-150500.33.63.1
reiserfs-kmp-azure - update to 5.14.21-150500.33.63.1
dlm-kmp-azure - update to 5.14.21-150500.33.63.1
kernel-azure-extra-debuginfo - update to 5.14.21-150500.33.63.1
cluster-md-kmp-azure-debuginfo - update to 5.14.21-150500.33.63.1
kselftests-kmp-azure-debuginfo - update to 5.14.21-150500.33.63.1
kernel-azure-devel-debuginfo - update to 5.14.21-150500.33.63.1
kernel-devel-azure - update to 5.14.21-150500.33.63.1
kernel-source-azure - update to 5.14.21-150500.33.63.1
dlm-kmp-azure-debuginfo - update to 5.14.21-150500.33.63.1
kernel-azure-vdso - update to 5.14.21-150500.33.63.1
kernel-azure-vdso-debuginfo - update to 5.14.21-150500.33.63.1
kernel-azure - update to 5.14.21-150500.33.63.1
kernel-azure-livepatch-devel - update to 5.14.21-150500.33.63.1
gfs2-kmp-azure-debuginfo - update to 5.14.21-150500.33.63.1
kernel-syms-azure - update to 5.14.21-150500.33.63.1
kernel-azure-debugsource - update to 5.14.21-150500.33.63.1
kernel-azure-debuginfo - update to 5.14.21-150500.33.63.1
kernel-azure-extra - update to 5.14.21-150500.33.63.1
kernel-azure-optional - update to 5.14.21-150500.33.63.1
kselftests-kmp-azure - update to 5.14.21-150500.33.63.1
kernel-64kb-debugsource - update to 5.14.21-150500.55.73.1
dtb-apple - update to 5.14.21-150500.55.73.1
dtb-cavium - update to 5.14.21-150500.55.73.1
dtb-socionext - update to 5.14.21-150500.55.73.1
dtb-nvidia - update to 5.14.21-150500.55.73.1
dtb-amd - update to 5.14.21-150500.55.73.1
kernel-kvmsmall-devel - update to 5.14.21-150500.55.73.1
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150500.55.73.1
reiserfs-kmp-64kb - update to 5.14.21-150500.55.73.1
ocfs2-kmp-64kb - update to 5.14.21-150500.55.73.1
dtb-rockchip - update to 5.14.21-150500.55.73.1
dtb-renesas - update to 5.14.21-150500.55.73.1
dlm-kmp-64kb - update to 5.14.21-150500.55.73.1
reiserfs-kmp-64kb-debuginfo - update to 5.14.21-150500.55.73.1
kernel-64kb-debuginfo - update to 5.14.21-150500.55.73.1
kselftests-kmp-64kb - update to 5.14.21-150500.55.73.1
kernel-64kb-devel - update to 5.14.21-150500.55.73.1
kernel-64kb-livepatch-devel - update to 5.14.21-150500.55.73.1
dtb-sprd - update to 5.14.21-150500.55.73.1
kernel-64kb - update to 5.14.21-150500.55.73.1
ocfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.73.1
dtb-freescale - update to 5.14.21-150500.55.73.1
dtb-exynos - update to 5.14.21-150500.55.73.1
dlm-kmp-64kb-debuginfo - update to 5.14.21-150500.55.73.1
kernel-64kb-devel-debuginfo - update to 5.14.21-150500.55.73.1
gfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.73.1
dtb-marvell - update to 5.14.21-150500.55.73.1
dtb-hisilicon - update to 5.14.21-150500.55.73.1
dtb-apm - update to 5.14.21-150500.55.73.1
dtb-amazon - update to 5.14.21-150500.55.73.1
kselftests-kmp-64kb-debuginfo - update to 5.14.21-150500.55.73.1
kernel-64kb-optional - update to 5.14.21-150500.55.73.1
dtb-qcom - update to 5.14.21-150500.55.73.1
dtb-broadcom - update to 5.14.21-150500.55.73.1
dtb-altera - update to 5.14.21-150500.55.73.1
dtb-mediatek - update to 5.14.21-150500.55.73.1
dtb-arm - update to 5.14.21-150500.55.73.1
dtb-amlogic - update to 5.14.21-150500.55.73.1
kernel-debug-vdso - update to 5.14.21-150500.55.73.1
gfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.73.1
kernel-default-optional - update to 5.14.21-150500.55.73.1
kernel-default-devel-debuginfo - update to 5.14.21-150500.55.73.1
kselftests-kmp-default-debuginfo - update to 5.14.21-150500.55.73.1
kernel-syms - update to 5.14.21-150500.55.73.1
kernel-default-livepatch-devel - update to 5.14.21-150500.55.73.1
gfs2-kmp-default - update to 5.14.21-150500.55.73.1
ocfs2-kmp-default - update to 5.14.21-150500.55.73.1
kselftests-kmp-default - update to 5.14.21-150500.55.73.1
kernel-kvmsmall-devel-debuginfo - update to 5.14.21-150500.55.73.1
kernel-kvmsmall-debuginfo - update to 5.14.21-150500.55.73.1
kernel-kvmsmall-livepatch-devel - update to 5.14.21-150500.55.73.1
kernel-kvmsmall-debugsource - update to 5.14.21-150500.55.73.1
kernel-debug-vdso-debuginfo - update to 5.14.21-150500.55.73.1
kernel-64kb-extra - update to 5.14.21-150500.55.73.1
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.73.1
kernel-default-vdso - update to 5.14.21-150500.55.73.1
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.73.1
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.73.1
kernel-debug-devel-debuginfo - update to 5.14.21-150500.55.73.1
kernel-debug-devel - update to 5.14.21-150500.55.73.1
kernel-debug-debugsource - update to 5.14.21-150500.55.73.1
kernel-debug-debuginfo - update to 5.14.21-150500.55.73.1
kernel-debug-livepatch-devel - update to 5.14.21-150500.55.73.1
kernel-debug - update to 5.14.21-150500.55.73.1
kernel-source-vanilla - update to 5.14.21-150500.55.73.1
kernel-devel - update to 5.14.21-150500.55.73.1
kernel-macros - update to 5.14.21-150500.55.73.1
kernel-source - update to 5.14.21-150500.55.73.1
kernel-obs-qa - update to 5.14.21-150500.55.73.1
kernel-64kb-extra-debuginfo - update to 5.14.21-150500.55.73.1
dtb-allwinner - update to 5.14.21-150500.55.73.1
kernel-64kb-optional-debuginfo - update to 5.14.21-150500.55.73.1
gfs2-kmp-64kb - update to 5.14.21-150500.55.73.1
cluster-md-kmp-64kb - update to 5.14.21-150500.55.73.1
dtb-lg - update to 5.14.21-150500.55.73.1
dtb-xilinx - update to 5.14.21-150500.55.73.1
dtb-aarch64 - update to 5.14.21-150500.55.73.1
kernel-zfcpdump-debuginfo - update to 5.14.21-150500.55.73.1
kernel-zfcpdump-debugsource - update to 5.14.21-150500.55.73.1
kernel-zfcpdump - update to 5.14.21-150500.55.73.1
kernel-kvmsmall - update to 5.14.21-150500.55.73.1
kernel-default - update to 5.14.21-150500.55.73.1
kernel-default-debuginfo - update to 5.14.21-150500.55.73.1
kernel-obs-build-debugsource - update to 5.14.21-150500.55.73.1
kernel-default-livepatch - update to 5.14.21-150500.55.73.1
kernel-obs-build - update to 5.14.21-150500.55.73.1
reiserfs-kmp-default - update to 5.14.21-150500.55.73.1
kernel-default-extra-debuginfo - update to 5.14.21-150500.55.73.1
reiserfs-kmp-default-debuginfo - update to 5.14.21-150500.55.73.1
dlm-kmp-default - update to 5.14.21-150500.55.73.1
kernel-default-extra - update to 5.14.21-150500.55.73.1
cluster-md-kmp-default - update to 5.14.21-150500.55.73.1
kernel-default-devel - update to 5.14.21-150500.55.73.1
ocfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.73.1
kernel-default-debugsource - update to 5.14.21-150500.55.73.1
dlm-kmp-default-debuginfo - update to 5.14.21-150500.55.73.1
cluster-md-kmp-default-debuginfo - update to 5.14.21-150500.55.73.1
kernel-default-optional-debuginfo - update to 5.14.21-150500.55.73.1
kernel-default-base - update to 5.14.21-150500.55.73.1.150500.6.33.8
kernel-default-base-rebuild - update to 5.14.21-150500.55.73.1.150500.6.33.8
kernel-docs-html - update to 5.14.21-150500.55.73.2
kernel-docs - update to 5.14.21-150500.55.73.2
kernel - update to 6.1.56-82.125

External References

Related Security Bulletins