Use-after-free in Linux kernel - CVE-2023-54047

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Main Vulnerability Database Vulnerabilities #VU120392

Use-after-free in Linux kernel - CVE-2023-54047

Published: December 26, 2025 / Updated: December 31, 2025


Vulnerability identifier: #VU120392
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-54047
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the dw_hdmi_rockchip_unbind() function in drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c. A local user can escalate privileges on the system.


Affected software

Linux kernel
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Live Patching
openSUSE Leap
kgraft-patch-4_12_14-122_293-default
kernel-livepatch-SLE15-SP5_Update_34-debugsource
kernel-livepatch-5_14_21-150500_55_133-default
kernel-livepatch-5_14_21-150500_55_133-default-debuginfo
kernel-default-devel-debuginfo
kernel-default
kernel-default-kgraft-devel
kernel-default-debugsource
kernel-default-debuginfo
kernel-default-kgraft
cluster-md-kmp-default-debuginfo
kernel-default-base-debuginfo
gfs2-kmp-default
dlm-kmp-default-debuginfo
cluster-md-kmp-default
kernel-default-man
kernel-macros
kernel-devel
kernel-source
gfs2-kmp-default-debuginfo
kernel-syms
kernel-default-devel
ocfs2-kmp-default
ocfs2-kmp-default-debuginfo
kernel-default-base
dlm-kmp-default
kernel-source-rt
kernel-rt
kernel-rt_debug
dlm-kmp-rt
kernel-rt-debuginfo
kernel-rt-vdso
cluster-md-kmp-rt-debuginfo
kernel-rt-extra
reiserfs-kmp-rt
kernel-rt_debug-debuginfo
kernel-rt-extra-debuginfo
ocfs2-kmp-rt
dlm-kmp-rt-debuginfo
kernel-rt-livepatch-devel
kernel-rt-vdso-debuginfo
kernel-rt_debug-vdso-debuginfo
kernel-syms-rt
kselftests-kmp-rt-debuginfo
kernel-rt-optional-debuginfo
kernel-rt_debug-devel-debuginfo
kernel-rt-optional
reiserfs-kmp-rt-debuginfo
kernel-rt-devel-debuginfo
kernel-rt_debug-debugsource
kernel-rt_debug-devel
kernel-rt_debug-vdso
kselftests-kmp-rt
kernel-rt-devel
kernel-rt-debugsource
ocfs2-kmp-rt-debuginfo
gfs2-kmp-rt
kernel-devel-rt
gfs2-kmp-rt-debuginfo
kernel-rt-livepatch
cluster-md-kmp-rt
dtb-cavium
dtb-marvell
kernel-64kb-optional
reiserfs-kmp-64kb-debuginfo
kselftests-kmp-64kb
cluster-md-kmp-64kb-debuginfo
dtb-qcom
dtb-amd
dtb-mediatek
dtb-apm
dtb-socionext
ocfs2-kmp-64kb
kernel-64kb-optional-debuginfo
dtb-sprd
dtb-broadcom
cluster-md-kmp-64kb
dtb-arm
dtb-nvidia
dtb-rockchip
dtb-renesas
ocfs2-kmp-64kb-debuginfo
gfs2-kmp-64kb
dtb-altera
kernel-obs-build-debugsource
kernel-obs-build
kernel-64kb
kernel-64kb-debugsource
dtb-xilinx
dtb-hisilicon
kernel-default-livepatch-devel
kernel-default-optional
kselftests-kmp-default-debuginfo
kernel-default-optional-debuginfo
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel-debuginfo
kernel-docs-html
kernel-source-vanilla
kernel-64kb-devel-debuginfo
kselftests-kmp-default
kernel-64kb-devel
kernel-default-livepatch
kernel-64kb-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-docs
dtb-freescale
dtb-amlogic
reiserfs-kmp-64kb
kernel-64kb-extra-debuginfo
dlm-kmp-64kb-debuginfo
dtb-apple
gfs2-kmp-64kb-debuginfo
dtb-exynos
dlm-kmp-64kb
kselftests-kmp-64kb-debuginfo
kernel-64kb-extra
dtb-allwinner
kernel-default-extra-debuginfo
dtb-lg
dtb-amazon
dtb-aarch64
kernel-kvmsmall
kernel-default-vdso-debuginfo
kernel-kvmsmall-vdso-debuginfo
kernel-default-vdso
kernel-kvmsmall-vdso
kernel-obs-qa
kernel-default-extra
kernel-default-base-rebuild

How to mitigate CVE-2023-54047

Install update from vendor's repository.

Linux kernel - addressed in versions 6.1.30, 6.3.4, 6.4
kgraft-patch-4_12_14-122_293-default - update to 1-8.3.1
kernel-livepatch-SLE15-SP5_Update_34-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_133-default - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_133-default-debuginfo - update to 1-150500.11.3.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
kernel-default - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
kernel-default-kgraft-devel - update to 4.12.14-122.293.1
kernel-default-debugsource - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
kernel-default-debuginfo - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
kernel-default-kgraft - update to 4.12.14-122.293.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
kernel-default-base-debuginfo - update to 4.12.14-122.293.1
gfs2-kmp-default - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
kernel-default-man - update to 4.12.14-122.293.1
kernel-macros - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
kernel-devel - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
kernel-source - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
kernel-syms - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
kernel-default-devel - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
kernel-default-base - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1.150500.6.65.1
dlm-kmp-default - addressed in versions 4.12.14-122.293.1, 5.14.21-150500.55.133.1
kernel-source-rt - update to 5.14.21-150500.13.118.1
kernel-rt - update to 5.14.21-150500.13.118.1
kernel-rt_debug - update to 5.14.21-150500.13.118.1
dlm-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-vdso - update to 5.14.21-150500.13.118.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-extra - update to 5.14.21-150500.13.118.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.118.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.118.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.118.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.118.1
kernel-syms-rt - update to 5.14.21-150500.13.118.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-optional - update to 5.14.21-150500.13.118.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.118.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.118.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.118.1
kselftests-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt-devel - update to 5.14.21-150500.13.118.1
kernel-rt-debugsource - update to 5.14.21-150500.13.118.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
gfs2-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-devel-rt - update to 5.14.21-150500.13.118.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-livepatch - update to 5.14.21-150500.13.118.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.118.1
dtb-cavium - update to 5.14.21-150500.55.133.1
dtb-marvell - update to 5.14.21-150500.55.133.1
kernel-64kb-optional - update to 5.14.21-150500.55.133.1
reiserfs-kmp-64kb-debuginfo - update to 5.14.21-150500.55.133.1
kselftests-kmp-64kb - update to 5.14.21-150500.55.133.1
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150500.55.133.1
dtb-qcom - update to 5.14.21-150500.55.133.1
dtb-amd - update to 5.14.21-150500.55.133.1
dtb-mediatek - update to 5.14.21-150500.55.133.1
dtb-apm - update to 5.14.21-150500.55.133.1
dtb-socionext - update to 5.14.21-150500.55.133.1
ocfs2-kmp-64kb - update to 5.14.21-150500.55.133.1
kernel-64kb-optional-debuginfo - update to 5.14.21-150500.55.133.1
dtb-sprd - update to 5.14.21-150500.55.133.1
dtb-broadcom - update to 5.14.21-150500.55.133.1
cluster-md-kmp-64kb - update to 5.14.21-150500.55.133.1
dtb-arm - update to 5.14.21-150500.55.133.1
dtb-nvidia - update to 5.14.21-150500.55.133.1
dtb-rockchip - update to 5.14.21-150500.55.133.1
dtb-renesas - update to 5.14.21-150500.55.133.1
ocfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.133.1
gfs2-kmp-64kb - update to 5.14.21-150500.55.133.1
dtb-altera - update to 5.14.21-150500.55.133.1
kernel-obs-build-debugsource - update to 5.14.21-150500.55.133.1
kernel-obs-build - update to 5.14.21-150500.55.133.1
kernel-64kb - update to 5.14.21-150500.55.133.1
kernel-64kb-debugsource - update to 5.14.21-150500.55.133.1
dtb-xilinx - update to 5.14.21-150500.55.133.1
dtb-hisilicon - update to 5.14.21-150500.55.133.1
kernel-default-livepatch-devel - update to 5.14.21-150500.55.133.1
kernel-default-optional - update to 5.14.21-150500.55.133.1
kselftests-kmp-default-debuginfo - update to 5.14.21-150500.55.133.1
kernel-default-optional-debuginfo - update to 5.14.21-150500.55.133.1
kernel-kvmsmall-debuginfo - update to 5.14.21-150500.55.133.1
kernel-kvmsmall-devel - update to 5.14.21-150500.55.133.1
kernel-kvmsmall-debugsource - update to 5.14.21-150500.55.133.1
kernel-kvmsmall-devel-debuginfo - update to 5.14.21-150500.55.133.1
kernel-docs-html - update to 5.14.21-150500.55.133.1
kernel-source-vanilla - update to 5.14.21-150500.55.133.1
kernel-64kb-devel-debuginfo - update to 5.14.21-150500.55.133.1
kselftests-kmp-default - update to 5.14.21-150500.55.133.1
kernel-64kb-devel - update to 5.14.21-150500.55.133.1
kernel-default-livepatch - update to 5.14.21-150500.55.133.1
kernel-64kb-debuginfo - update to 5.14.21-150500.55.133.1
kernel-zfcpdump-debugsource - update to 5.14.21-150500.55.133.1
kernel-zfcpdump-debuginfo - update to 5.14.21-150500.55.133.1
kernel-zfcpdump - update to 5.14.21-150500.55.133.1
reiserfs-kmp-default - update to 5.14.21-150500.55.133.1
reiserfs-kmp-default-debuginfo - update to 5.14.21-150500.55.133.1
kernel-docs - update to 5.14.21-150500.55.133.1
dtb-freescale - update to 5.14.21-150500.55.133.1
dtb-amlogic - update to 5.14.21-150500.55.133.1
reiserfs-kmp-64kb - update to 5.14.21-150500.55.133.1
kernel-64kb-extra-debuginfo - update to 5.14.21-150500.55.133.1
dlm-kmp-64kb-debuginfo - update to 5.14.21-150500.55.133.1
dtb-apple - update to 5.14.21-150500.55.133.1
gfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.133.1
dtb-exynos - update to 5.14.21-150500.55.133.1
dlm-kmp-64kb - update to 5.14.21-150500.55.133.1
kselftests-kmp-64kb-debuginfo - update to 5.14.21-150500.55.133.1
kernel-64kb-extra - update to 5.14.21-150500.55.133.1
dtb-allwinner - update to 5.14.21-150500.55.133.1
kernel-default-extra-debuginfo - update to 5.14.21-150500.55.133.1
dtb-lg - update to 5.14.21-150500.55.133.1
dtb-amazon - update to 5.14.21-150500.55.133.1
dtb-aarch64 - update to 5.14.21-150500.55.133.1
kernel-kvmsmall - update to 5.14.21-150500.55.133.1
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.133.1
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.133.1
kernel-default-vdso - update to 5.14.21-150500.55.133.1
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.133.1
kernel-obs-qa - update to 5.14.21-150500.55.133.1
kernel-default-extra - update to 5.14.21-150500.55.133.1
kernel-default-base-rebuild - update to 5.14.21-150500.55.133.1.150500.6.65.1

External References

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