NULL pointer dereference in Linux kernel - CVE-2025-68286

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Main Vulnerability Database Vulnerabilities #VU120047

NULL pointer dereference in Linux kernel - CVE-2025-68286

Published: December 16, 2025


Vulnerability identifier: #VU120047
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-2025-68286
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 dc_stream_get_scanoutpos() function in drivers/gpu/drm/amd/display/dc/core/dc_stream.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Live Patching
Legacy Module
Development Tools Module
Basesystem Module
Public Cloud Module
SUSE Real Time Module
openSUSE Leap
Ubuntu
kgraft-patch-4_12_14-122_293-default
kernel-livepatch-6_4_0-150600_23_84-default
kernel-livepatch-SLE15-SP6_Update_19-debugsource
kernel-livepatch-6_4_0-150600_23_84-default-debuginfo
kernel-livepatch-6_4_0-150700_7_28-rt
kernel-livepatch-6_4_0-150700_7_28-rt-debuginfo
kernel-livepatch-SLE15-SP7-RT_Update_8-debugsource
kernel-livepatch-6_4_0-150700_53_28-default
kernel-livepatch-SLE15-SP7_Update_8-debugsource
kernel-livepatch-6_4_0-150700_53_28-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
dlm-kmp-default
kernel-source
gfs2-kmp-default-debuginfo
kernel-syms
kernel-default-devel
ocfs2-kmp-default
ocfs2-kmp-default-debuginfo
kernel-default-base
linux-aws-fips (Ubuntu package)
linux (Ubuntu package)
linux-aws-5.15 (Ubuntu package)
linux-nvidia-tegra-igx (Ubuntu package)
linux-intel-iot-realtime (Ubuntu package)
linux-raspi (Ubuntu package)
linux-realtime (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-azure (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
kernel-64kb-extra-debuginfo
dtb-renesas
dtb-qcom
dtb-amd
dlm-kmp-64kb
kernel-64kb-debuginfo
kernel-default-vdso-debuginfo
dtb-xilinx
kernel-64kb-devel-debuginfo
kernel-64kb-optional
dtb-sprd
gfs2-kmp-64kb
dtb-hisilicon
dtb-allwinner
dtb-rockchip
dtb-freescale
kernel-64kb
kernel-default-vdso
kernel-debug-devel
kernel-kvmsmall-vdso
kernel-docs
kernel-kvmsmall-vdso-debuginfo
kernel-docs-html
kernel-debug-devel-debuginfo
kernel-debug-debugsource
kernel-debug-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-source-vanilla
kernel-debug
kernel-obs-qa
kernel-default-extra-debuginfo
kernel-obs-build
kernel-default-extra
reiserfs-kmp-default
kernel-default-optional-debuginfo
kernel-default-optional
kernel-default-livepatch
reiserfs-kmp-default-debuginfo
kernel-debug-vdso
kernel-debug-vdso-debuginfo
kernel-default-livepatch-devel
ocfs2-kmp-64kb-debuginfo
kselftests-kmp-default-debuginfo
kselftests-kmp-default
kernel-obs-build-debugsource
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall
kernel-64kb-devel
kselftests-kmp-64kb
reiserfs-kmp-64kb-debuginfo
dtb-lg
dtb-broadcom
cluster-md-kmp-64kb
kernel-64kb-debugsource
kernel-64kb-optional-debuginfo
dtb-cavium
gfs2-kmp-64kb-debuginfo
dlm-kmp-64kb-debuginfo
kernel-64kb-extra
dtb-apm
kselftests-kmp-64kb-debuginfo
reiserfs-kmp-64kb
dtb-apple
dtb-arm
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
dtb-aarch64
dtb-amlogic
dtb-exynos
dtb-altera
dtb-amazon
dtb-mediatek
ocfs2-kmp-64kb
dtb-marvell
dtb-nvidia
dtb-socionext
cluster-md-kmp-64kb-debuginfo
kernel-default-base-rebuild
gfs2-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-rt-devel
kernel-rt-debuginfo
ocfs2-kmp-rt-debuginfo
dlm-kmp-rt-debuginfo
cluster-md-kmp-rt
gfs2-kmp-rt
kernel-rt-debugsource
kernel-rt-devel-debuginfo
dlm-kmp-rt
kernel-devel-rt
kernel-source-rt
kernel-rt
cluster-md-kmp-rt-debuginfo
kernel-syms-rt
kernel-azure-devel-debuginfo
kernel-azure
kernel-syms-azure
kernel-azure-devel
kernel-azure-debuginfo
kernel-azure-debugsource
kernel-devel-azure
kernel-source-azure
linux-xilinx (Ubuntu package)
linux-nvidia (Ubuntu package)
linux-aws-6.8 (Ubuntu package)
linux-azure-6.8 (Ubuntu package)
linux-gcp-6.17 (Ubuntu package)
linux-realtime-6.17 (Ubuntu package)
linux-oem-6.17 (Ubuntu package)

How to mitigate CVE-2025-68286

Install update from vendor's repository.

kgraft-patch-4_12_14-122_293-default - update to 1-8.3.1
kernel-livepatch-6_4_0-150600_23_84-default - update to 1-150600.13.3.1
kernel-livepatch-SLE15-SP6_Update_19-debugsource - update to 1-150600.13.3.1
kernel-livepatch-6_4_0-150600_23_84-default-debuginfo - update to 1-150600.13.3.1
kernel-livepatch-6_4_0-150700_7_28-rt - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_7_28-rt-debuginfo - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7-RT_Update_8-debugsource - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_53_28-default - update to 1-150700.15.3.1
kernel-livepatch-SLE15-SP7_Update_8-debugsource - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_28-default-debuginfo - update to 1-150700.15.3.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-kgraft-devel - update to 4.12.14-122.293.1
kernel-default-debugsource - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
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, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-base-debuginfo - update to 4.12.14-122.293.1
gfs2-kmp-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-man - update to 4.12.14-122.293.1
kernel-macros - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-devel - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
dlm-kmp-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-source - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-syms - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-devel - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-base - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1.150600.12.38.1, 6.4.0-150700.53.28.1.150700.17.19.1
linux-aws-fips (Ubuntu package) - addressed in versions 5.15.0.173.100, 5.15.0-173.183+fips1, 5.15.0.1103.93, 5.15.0.1103.99, 5.15.0-1103.110+fips1, 5.15.0-1103.112+fips1, 6.8.0-106.106+fips1, 6.8.0-1050.53+fips1, 6.8.0-1052.55+fips1
linux (Ubuntu package) - addressed in versions 5.15.0.173.146, 5.15.0.173.161, 5.15.0-173.183, 5.15.0-1055.55, 5.15.0-1055.55~20.04.1, 5.15.0.1067.70, 5.15.0-1067.71, 5.15.0.1086.85, 5.15.0-1086.94, 5.15.0.1095.91, 5.15.0-1095.100, 5.15.0.1097.93, 5.15.0.1097.100, 5.15.0-1097.100~20.04.1, 5.15.0.1098.98, 5.15.0-1098.99, 5.15.0-1098.104, 5.15.0.1100.96, 5.15.0-1100.106, 5.15.0.1103.99, 5.15.0.1103.106, 5.15.0-1103.110, 5.15.0-1103.112~20.04.1, 6.8.0-106.106, 6.8.0-106.106.1, 6.8.0-106.106.1~22.04.1, 6.8.0-106.106~22.04.1, 6.8.0-1035.38, 6.8.0-1047.48, 6.8.0-1047.48~22.04.1, 6.8.0-1048.53, 6.8.0-1049.49, 6.8.0-1049.49~22.04.1, 6.8.0-1050.53, 6.8.0-1052.55, 6.8.0-1052.55~22.04.1, 6.17.0-19.19, 6.17.0-19.19~24.04.2, 6.17.0-1009.9, 6.17.0-1009.9~24.04.1, 6.17.0-1009.9~24.04.2
linux-aws-5.15 (Ubuntu package) - addressed in versions 5.15.0-173.183~20.04.1, 5.15.0-1098.104~20.04.1, 5.15.0.1099.98, 5.15.0-1099.105, 5.15.0-1100.106~20.04.1, 5.15.0-1103.110~20.04.1, 5.15.0-1103.112~20.04.1
linux-nvidia-tegra-igx (Ubuntu package) - addressed in versions 5.15.0-1044.44, 5.15.0.1044.46
linux-intel-iot-realtime (Ubuntu package) - addressed in versions 5.15.0-1094.96, 5.15.0.1094.98
linux-raspi (Ubuntu package) - addressed in versions 5.15.0.1097.95, 5.15.0-1097.100, 6.8.0-1050.54, 6.8.0-2040.41, 6.17.0-1010.10
linux-realtime (Ubuntu package) - addressed in versions 5.15.0.1102.106, 5.15.0-1102.111, 6.8.1-1045.46, 6.8.1-1045.46~22.04.1
linux-azure-fips (Ubuntu package) - addressed in versions 5.15.0.1109.94, 5.15.0-1109.118+fips1, 6.8.0-1052.58+fips1
linux-azure (Ubuntu package) - addressed in versions 5.15.0.1109.107, 5.15.0-1109.118, 6.8.0-1051.57, 6.17.0-1010.10, 6.17.0-1010.10~24.04.1
linux-azure-5.15 (Ubuntu package) - update to 5.15.0-1110.119~20.04.1
kernel-64kb-extra-debuginfo - update to 6.4.0-150600.23.84.1
dtb-renesas - update to 6.4.0-150600.23.84.1
dtb-qcom - update to 6.4.0-150600.23.84.1
dtb-amd - update to 6.4.0-150600.23.84.1
dlm-kmp-64kb - update to 6.4.0-150600.23.84.1
kernel-64kb-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-vdso-debuginfo - update to 6.4.0-150600.23.84.1
dtb-xilinx - update to 6.4.0-150600.23.84.1
kernel-64kb-devel-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-64kb-optional - update to 6.4.0-150600.23.84.1
dtb-sprd - update to 6.4.0-150600.23.84.1
gfs2-kmp-64kb - update to 6.4.0-150600.23.84.1
dtb-hisilicon - update to 6.4.0-150600.23.84.1
dtb-allwinner - update to 6.4.0-150600.23.84.1
dtb-rockchip - update to 6.4.0-150600.23.84.1
dtb-freescale - update to 6.4.0-150600.23.84.1
kernel-64kb - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-vdso - update to 6.4.0-150600.23.84.1
kernel-debug-devel - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.84.1
kernel-docs - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.84.1
kernel-docs-html - update to 6.4.0-150600.23.84.1
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.84.1
kernel-debug-debugsource - update to 6.4.0-150600.23.84.1
kernel-debug-debuginfo - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.84.1
kernel-source-vanilla - update to 6.4.0-150600.23.84.1
kernel-debug - update to 6.4.0-150600.23.84.1
kernel-obs-qa - update to 6.4.0-150600.23.84.1
kernel-default-extra-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-obs-build - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-extra - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
reiserfs-kmp-default - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-optional-debuginfo - update to 6.4.0-150600.23.84.1
kernel-default-optional - update to 6.4.0-150600.23.84.1
kernel-default-livepatch - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
reiserfs-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-debug-vdso - update to 6.4.0-150600.23.84.1
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.84.1
kernel-default-livepatch-devel - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
ocfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
kselftests-kmp-default-debuginfo - update to 6.4.0-150600.23.84.1
kselftests-kmp-default - update to 6.4.0-150600.23.84.1
kernel-obs-build-debugsource - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-kvmsmall-debugsource - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-debuginfo - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-devel - update to 6.4.0-150600.23.84.1
kernel-kvmsmall - update to 6.4.0-150600.23.84.1
kernel-64kb-devel - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kselftests-kmp-64kb - update to 6.4.0-150600.23.84.1
reiserfs-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
dtb-lg - update to 6.4.0-150600.23.84.1
dtb-broadcom - update to 6.4.0-150600.23.84.1
cluster-md-kmp-64kb - update to 6.4.0-150600.23.84.1
kernel-64kb-debugsource - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-64kb-optional-debuginfo - update to 6.4.0-150600.23.84.1
dtb-cavium - update to 6.4.0-150600.23.84.1
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
kernel-64kb-extra - update to 6.4.0-150600.23.84.1
dtb-apm - update to 6.4.0-150600.23.84.1
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
reiserfs-kmp-64kb - update to 6.4.0-150600.23.84.1
dtb-apple - update to 6.4.0-150600.23.84.1
dtb-arm - update to 6.4.0-150600.23.84.1
kernel-zfcpdump - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-zfcpdump-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-zfcpdump-debugsource - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
dtb-aarch64 - update to 6.4.0-150600.23.84.1
dtb-amlogic - update to 6.4.0-150600.23.84.1
dtb-exynos - update to 6.4.0-150600.23.84.1
dtb-altera - update to 6.4.0-150600.23.84.1
dtb-amazon - update to 6.4.0-150600.23.84.1
dtb-mediatek - update to 6.4.0-150600.23.84.1
ocfs2-kmp-64kb - update to 6.4.0-150600.23.84.1
dtb-marvell - update to 6.4.0-150600.23.84.1
dtb-nvidia - update to 6.4.0-150600.23.84.1
dtb-socionext - update to 6.4.0-150600.23.84.1
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
kernel-default-base-rebuild - update to 6.4.0-150600.23.84.1.150600.12.38.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.28.1
ocfs2-kmp-rt - update to 6.4.0-150700.7.28.1
kernel-rt-devel - update to 6.4.0-150700.7.28.1
kernel-rt-debuginfo - update to 6.4.0-150700.7.28.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.28.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.28.1
cluster-md-kmp-rt - update to 6.4.0-150700.7.28.1
gfs2-kmp-rt - update to 6.4.0-150700.7.28.1
kernel-rt-debugsource - update to 6.4.0-150700.7.28.1
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.28.1
dlm-kmp-rt - update to 6.4.0-150700.7.28.1
kernel-devel-rt - update to 6.4.0-150700.7.28.1
kernel-source-rt - update to 6.4.0-150700.7.28.1
kernel-rt - update to 6.4.0-150700.7.28.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.28.1
kernel-syms-rt - update to 6.4.0-150700.7.28.1
kernel-azure-devel-debuginfo - update to 6.4.0-150700.20.24.1
kernel-azure - update to 6.4.0-150700.20.24.1
kernel-syms-azure - update to 6.4.0-150700.20.24.1
kernel-azure-devel - update to 6.4.0-150700.20.24.1
kernel-azure-debuginfo - update to 6.4.0-150700.20.24.1
kernel-azure-debugsource - update to 6.4.0-150700.20.24.1
kernel-devel-azure - update to 6.4.0-150700.20.24.1
kernel-source-azure - update to 6.4.0-150700.20.24.1
linux-xilinx (Ubuntu package) - update to 6.8.0-1029.30
linux-nvidia (Ubuntu package) - addressed in versions 6.8.0-1049.52, 6.8.0-1049.52.1, 6.8.0-1049.52~22.04.1
linux-aws-6.8 (Ubuntu package) - update to 6.8.0-1050.53~22.04.1
linux-azure-6.8 (Ubuntu package) - update to 6.8.0-1051.57~22.04.1
linux-gcp-6.17 (Ubuntu package) - addressed in versions 6.17.0-1008.9, 6.17.0-1009.9~24.04.3
linux-realtime-6.17 (Ubuntu package) - update to 6.17.0-1008.9~24.04.1
linux-oem-6.17 (Ubuntu package) - update to 6.17.0-1017.17

External References

Related Security Bulletins