NULL pointer dereference in Linux kernel - CVE-2025-21688

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Main Vulnerability Database Vulnerabilities #VU103744

NULL pointer dereference in Linux kernel - CVE-2025-21688

Published: February 10, 2025 / Updated: May 11, 2025


Vulnerability identifier: #VU103744
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-21688
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 v3d_irq() and v3d_hub_irq() functions in drivers/gpu/drm/v3d/v3d_irq.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
Legacy Module
Development Tools Module
SUSE Linux Enterprise Live Patching
Basesystem Module
Public Cloud Module
Confidential Computing Module
SUSE Real Time Module
openSUSE Leap
SmartFabric Manager
APEX Cloud Platform for Microsoft Azure
kernel-livepatch-SLE15-SP6-RT_Update_9-debugsource
kernel-livepatch-6_4_0-150600_10_29-rt
kernel-livepatch-6_4_0-150600_10_29-rt-debuginfo
kernel-livepatch-6_4_0-150600_23_42-default-debuginfo
kernel-livepatch-6_4_0-150600_23_42-default
kernel-livepatch-SLE15-SP6_Update_9-debugsource
kernel-coco_debug-debugsource
kernel-coco_debug
reiserfs-kmp-coco-debuginfo
kernel-coco_debug-devel
kernel-syms-coco
kernel-coco_debug-debuginfo
kernel-coco-vdso-debuginfo
kernel-coco-devel
kernel-coco
kernel-coco_debug-devel-debuginfo
reiserfs-kmp-coco
kernel-coco-debugsource
kernel-coco-debuginfo
kernel-devel-coco
kernel-source-coco
kernel-syms-azure
kernel-azure
kernel-azure-debugsource
kernel-azure-devel-debuginfo
kernel-azure-vdso-debuginfo
kernel-azure-vdso
ocfs2-kmp-azure
dlm-kmp-azure
kernel-azure-extra-debuginfo
dlm-kmp-azure-debuginfo
kernel-azure-optional-debuginfo
kernel-azure-debuginfo
kernel-azure-devel
kernel-source-azure
kernel-devel-azure
reiserfs-kmp-azure-debuginfo
gfs2-kmp-azure
kernel-azure-optional
cluster-md-kmp-azure
kselftests-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
reiserfs-kmp-azure
kselftests-kmp-azure
ocfs2-kmp-azure-debuginfo
kernel-azure-extra
gfs2-kmp-azure-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-debugsource
kernel-rt-vdso
kselftests-kmp-rt-debuginfo
kernel-rt-optional
ocfs2-kmp-rt
gfs2-kmp-rt-debuginfo
kernel-syms-rt
dlm-kmp-rt
kernel-rt-optional-debuginfo
kernel-rt_debug-vdso-debuginfo
kernel-rt_debug-debugsource
kernel-rt-livepatch-devel
reiserfs-kmp-rt-debuginfo
dlm-kmp-rt-debuginfo
cluster-md-kmp-rt
reiserfs-kmp-rt
kernel-rt
kernel-rt_debug
kernel-devel-rt
kernel-source-rt
kernel-rt-devel-debuginfo
kernel-rt_debug-vdso
kernel-rt-devel
gfs2-kmp-rt
kselftests-kmp-rt
kernel-rt-debuginfo
kernel-rt_debug-debuginfo
kernel-rt-extra
kernel-rt-extra-debuginfo
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-devel
kernel-rt_debug-devel-debuginfo
dtb-freescale
dtb-amazon
dtb-xilinx
dtb-qcom
dtb-lg
dtb-broadcom
dtb-allwinner
dtb-marvell
dtb-arm
dtb-rockchip
dtb-apm
dtb-cavium
dtb-amd
dtb-mediatek
dtb-nvidia
dtb-socionext
dtb-renesas
dtb-amlogic
dtb-exynos
kernel-devel
dtb-hisilicon
kernel-source
kernel-source-vanilla
kernel-syms
kernel-obs-qa
kernel-docs-html
kernel-macros
kernel-docs
dtb-aarch64
dtb-apple
dtb-altera
dtb-sprd
kernel-default-extra-debuginfo
kernel-default-debuginfo
ocfs2-kmp-default-debuginfo
kernel-default-debugsource
cluster-md-kmp-default
kernel-default-optional-debuginfo
kernel-obs-build
dlm-kmp-default-debuginfo
reiserfs-kmp-default
kernel-obs-build-debugsource
dlm-kmp-default
kernel-default-devel
kselftests-kmp-default
kernel-default-optional
gfs2-kmp-64kb
reiserfs-kmp-default-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel
kernel-debug-vdso-debuginfo
kernel-default-vdso-debuginfo
kernel-default-vdso
kernel-debug-vdso
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-debug-devel
kernel-debug-debugsource
kernel-debug-devel-debuginfo
kernel-debug-debuginfo
kernel-debug
dlm-kmp-64kb-debuginfo
kernel-64kb-optional-debuginfo
kernel-64kb-extra-debuginfo
cluster-md-kmp-64kb
kernel-64kb-extra
kernel-64kb-debugsource
kernel-kvmsmall
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-64kb-devel-debuginfo
kernel-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
kernel-zfcpdump-debugsource
kselftests-kmp-64kb-debuginfo
kernel-64kb-optional
ocfs2-kmp-64kb
reiserfs-kmp-64kb
cluster-md-kmp-64kb-debuginfo
kernel-64kb-devel
ocfs2-kmp-64kb-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-livepatch
kernel-default-devel-debuginfo
kselftests-kmp-default-debuginfo
kernel-64kb
reiserfs-kmp-64kb-debuginfo
gfs2-kmp-default
kernel-default-extra
kselftests-kmp-64kb
gfs2-kmp-default-debuginfo
ocfs2-kmp-default
kernel-default
kernel-default-livepatch-devel
dlm-kmp-64kb
kernel-default-base
kernel-default-base-rebuild
APEX Cloud Platform for Red Hat OpenShift

How to mitigate CVE-2025-21688

Install update from vendor's website.

Linux kernel - update to 6.1.128
SmartFabric Manager - update to 1.3.0
APEX Cloud Platform for Microsoft Azure - update to 01.05.01.00
kernel-livepatch-SLE15-SP6-RT_Update_9-debugsource - update to 1-150600.1.3.2
kernel-livepatch-6_4_0-150600_10_29-rt - update to 1-150600.1.3.2
kernel-livepatch-6_4_0-150600_10_29-rt-debuginfo - update to 1-150600.1.3.2
kernel-livepatch-6_4_0-150600_23_42-default-debuginfo - update to 1-150600.13.3.4
kernel-livepatch-6_4_0-150600_23_42-default - update to 1-150600.13.3.4
kernel-livepatch-SLE15-SP6_Update_9-debugsource - update to 1-150600.13.3.4
APEX Cloud Platform for Red Hat OpenShift - update to 03.02.04.00
kernel-coco_debug-debugsource - update to 6.4.0-15061.18.coco15sp6.1
kernel-coco_debug - update to 6.4.0-15061.18.coco15sp6.1
reiserfs-kmp-coco-debuginfo - update to 6.4.0-15061.18.coco15sp6.1
kernel-coco_debug-devel - update to 6.4.0-15061.18.coco15sp6.1
kernel-syms-coco - update to 6.4.0-15061.18.coco15sp6.1
kernel-coco_debug-debuginfo - update to 6.4.0-15061.18.coco15sp6.1
kernel-coco-vdso-debuginfo - update to 6.4.0-15061.18.coco15sp6.1
kernel-coco-devel - update to 6.4.0-15061.18.coco15sp6.1
kernel-coco - update to 6.4.0-15061.18.coco15sp6.1
kernel-coco_debug-devel-debuginfo - update to 6.4.0-15061.18.coco15sp6.1
reiserfs-kmp-coco - update to 6.4.0-15061.18.coco15sp6.1
kernel-coco-debugsource - update to 6.4.0-15061.18.coco15sp6.1
kernel-coco-debuginfo - update to 6.4.0-15061.18.coco15sp6.1
kernel-devel-coco - update to 6.4.0-15061.18.coco15sp6.1
kernel-source-coco - update to 6.4.0-15061.18.coco15sp6.1
kernel-syms-azure - update to 6.4.0-150600.8.31.1
kernel-azure - update to 6.4.0-150600.8.31.1
kernel-azure-debugsource - update to 6.4.0-150600.8.31.1
kernel-azure-devel-debuginfo - update to 6.4.0-150600.8.31.1
kernel-azure-vdso-debuginfo - update to 6.4.0-150600.8.31.1
kernel-azure-vdso - update to 6.4.0-150600.8.31.1
ocfs2-kmp-azure - update to 6.4.0-150600.8.31.1
dlm-kmp-azure - update to 6.4.0-150600.8.31.1
kernel-azure-extra-debuginfo - update to 6.4.0-150600.8.31.1
dlm-kmp-azure-debuginfo - update to 6.4.0-150600.8.31.1
kernel-azure-optional-debuginfo - update to 6.4.0-150600.8.31.1
kernel-azure-debuginfo - update to 6.4.0-150600.8.31.1
kernel-azure-devel - update to 6.4.0-150600.8.31.1
kernel-source-azure - update to 6.4.0-150600.8.31.1
kernel-devel-azure - update to 6.4.0-150600.8.31.1
reiserfs-kmp-azure-debuginfo - update to 6.4.0-150600.8.31.1
gfs2-kmp-azure - update to 6.4.0-150600.8.31.1
kernel-azure-optional - update to 6.4.0-150600.8.31.1
cluster-md-kmp-azure - update to 6.4.0-150600.8.31.1
kselftests-kmp-azure-debuginfo - update to 6.4.0-150600.8.31.1
cluster-md-kmp-azure-debuginfo - update to 6.4.0-150600.8.31.1
reiserfs-kmp-azure - update to 6.4.0-150600.8.31.1
kselftests-kmp-azure - update to 6.4.0-150600.8.31.1
ocfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.31.1
kernel-azure-extra - update to 6.4.0-150600.8.31.1
gfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.31.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150600.10.29.1
kernel-rt-vdso-debuginfo - update to 6.4.0-150600.10.29.1
kernel-rt-debugsource - update to 6.4.0-150600.10.29.1
kernel-rt-vdso - update to 6.4.0-150600.10.29.1
kselftests-kmp-rt-debuginfo - update to 6.4.0-150600.10.29.1
kernel-rt-optional - update to 6.4.0-150600.10.29.1
ocfs2-kmp-rt - update to 6.4.0-150600.10.29.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150600.10.29.1
kernel-syms-rt - update to 6.4.0-150600.10.29.1
dlm-kmp-rt - update to 6.4.0-150600.10.29.1
kernel-rt-optional-debuginfo - update to 6.4.0-150600.10.29.1
kernel-rt_debug-vdso-debuginfo - update to 6.4.0-150600.10.29.1
kernel-rt_debug-debugsource - update to 6.4.0-150600.10.29.1
kernel-rt-livepatch-devel - update to 6.4.0-150600.10.29.1
reiserfs-kmp-rt-debuginfo - update to 6.4.0-150600.10.29.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150600.10.29.1
cluster-md-kmp-rt - update to 6.4.0-150600.10.29.1
reiserfs-kmp-rt - update to 6.4.0-150600.10.29.1
kernel-rt - update to 6.4.0-150600.10.29.1
kernel-rt_debug - update to 6.4.0-150600.10.29.1
kernel-devel-rt - update to 6.4.0-150600.10.29.1
kernel-source-rt - update to 6.4.0-150600.10.29.1
kernel-rt-devel-debuginfo - update to 6.4.0-150600.10.29.1
kernel-rt_debug-vdso - update to 6.4.0-150600.10.29.1
kernel-rt-devel - update to 6.4.0-150600.10.29.1
gfs2-kmp-rt - update to 6.4.0-150600.10.29.1
kselftests-kmp-rt - update to 6.4.0-150600.10.29.1
kernel-rt-debuginfo - update to 6.4.0-150600.10.29.1
kernel-rt_debug-debuginfo - update to 6.4.0-150600.10.29.1
kernel-rt-extra - update to 6.4.0-150600.10.29.1
kernel-rt-extra-debuginfo - update to 6.4.0-150600.10.29.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150600.10.29.1
kernel-rt_debug-devel - update to 6.4.0-150600.10.29.1
kernel-rt_debug-devel-debuginfo - update to 6.4.0-150600.10.29.1
dtb-freescale - update to 6.4.0-150600.23.42.1
dtb-amazon - update to 6.4.0-150600.23.42.1
dtb-xilinx - update to 6.4.0-150600.23.42.1
dtb-qcom - update to 6.4.0-150600.23.42.1
dtb-lg - update to 6.4.0-150600.23.42.1
dtb-broadcom - update to 6.4.0-150600.23.42.1
dtb-allwinner - update to 6.4.0-150600.23.42.1
dtb-marvell - update to 6.4.0-150600.23.42.1
dtb-arm - update to 6.4.0-150600.23.42.1
dtb-rockchip - update to 6.4.0-150600.23.42.1
dtb-apm - update to 6.4.0-150600.23.42.1
dtb-cavium - update to 6.4.0-150600.23.42.1
dtb-amd - update to 6.4.0-150600.23.42.1
dtb-mediatek - update to 6.4.0-150600.23.42.1
dtb-nvidia - update to 6.4.0-150600.23.42.1
dtb-socionext - update to 6.4.0-150600.23.42.1
dtb-renesas - update to 6.4.0-150600.23.42.1
dtb-amlogic - update to 6.4.0-150600.23.42.1
dtb-exynos - update to 6.4.0-150600.23.42.1
kernel-devel - update to 6.4.0-150600.23.42.1
dtb-hisilicon - update to 6.4.0-150600.23.42.1
kernel-source - update to 6.4.0-150600.23.42.1
kernel-source-vanilla - update to 6.4.0-150600.23.42.1
kernel-syms - update to 6.4.0-150600.23.42.1
kernel-obs-qa - update to 6.4.0-150600.23.42.1
kernel-docs-html - update to 6.4.0-150600.23.42.1
kernel-macros - update to 6.4.0-150600.23.42.1
kernel-docs - update to 6.4.0-150600.23.42.1
dtb-aarch64 - update to 6.4.0-150600.23.42.1
dtb-apple - update to 6.4.0-150600.23.42.1
dtb-altera - update to 6.4.0-150600.23.42.1
dtb-sprd - update to 6.4.0-150600.23.42.1
kernel-default-extra-debuginfo - update to 6.4.0-150600.23.42.2
kernel-default-debuginfo - update to 6.4.0-150600.23.42.2
ocfs2-kmp-default-debuginfo - update to 6.4.0-150600.23.42.2
kernel-default-debugsource - update to 6.4.0-150600.23.42.2
cluster-md-kmp-default - update to 6.4.0-150600.23.42.2
kernel-default-optional-debuginfo - update to 6.4.0-150600.23.42.2
kernel-obs-build - update to 6.4.0-150600.23.42.2
dlm-kmp-default-debuginfo - update to 6.4.0-150600.23.42.2
reiserfs-kmp-default - update to 6.4.0-150600.23.42.2
kernel-obs-build-debugsource - update to 6.4.0-150600.23.42.2
dlm-kmp-default - update to 6.4.0-150600.23.42.2
kernel-default-devel - update to 6.4.0-150600.23.42.2
kselftests-kmp-default - update to 6.4.0-150600.23.42.2
kernel-default-optional - update to 6.4.0-150600.23.42.2
gfs2-kmp-64kb - update to 6.4.0-150600.23.42.2
reiserfs-kmp-default-debuginfo - update to 6.4.0-150600.23.42.2
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.42.2
kernel-kvmsmall-debuginfo - update to 6.4.0-150600.23.42.2
kernel-kvmsmall-debugsource - update to 6.4.0-150600.23.42.2
kernel-kvmsmall-devel - update to 6.4.0-150600.23.42.2
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.42.2
kernel-default-vdso-debuginfo - update to 6.4.0-150600.23.42.2
kernel-default-vdso - update to 6.4.0-150600.23.42.2
kernel-debug-vdso - update to 6.4.0-150600.23.42.2
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.42.2
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.42.2
kernel-debug-devel - update to 6.4.0-150600.23.42.2
kernel-debug-debugsource - update to 6.4.0-150600.23.42.2
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.42.2
kernel-debug-debuginfo - update to 6.4.0-150600.23.42.2
kernel-debug - update to 6.4.0-150600.23.42.2
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.42.2
kernel-64kb-optional-debuginfo - update to 6.4.0-150600.23.42.2
kernel-64kb-extra-debuginfo - update to 6.4.0-150600.23.42.2
cluster-md-kmp-64kb - update to 6.4.0-150600.23.42.2
kernel-64kb-extra - update to 6.4.0-150600.23.42.2
kernel-64kb-debugsource - update to 6.4.0-150600.23.42.2
kernel-kvmsmall - update to 6.4.0-150600.23.42.2
kernel-zfcpdump - update to 6.4.0-150600.23.42.2
kernel-zfcpdump-debuginfo - update to 6.4.0-150600.23.42.2
kernel-64kb-devel-debuginfo - update to 6.4.0-150600.23.42.2
kernel-64kb-debuginfo - update to 6.4.0-150600.23.42.2
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.42.2
kernel-zfcpdump-debugsource - update to 6.4.0-150600.23.42.2
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.42.2
kernel-64kb-optional - update to 6.4.0-150600.23.42.2
ocfs2-kmp-64kb - update to 6.4.0-150600.23.42.2
reiserfs-kmp-64kb - update to 6.4.0-150600.23.42.2
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.42.2
kernel-64kb-devel - update to 6.4.0-150600.23.42.2
ocfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.42.2
cluster-md-kmp-default-debuginfo - update to 6.4.0-150600.23.42.2
kernel-default-livepatch - update to 6.4.0-150600.23.42.2
kernel-default-devel-debuginfo - update to 6.4.0-150600.23.42.2
kselftests-kmp-default-debuginfo - update to 6.4.0-150600.23.42.2
kernel-64kb - update to 6.4.0-150600.23.42.2
reiserfs-kmp-64kb-debuginfo - update to 6.4.0-150600.23.42.2
gfs2-kmp-default - update to 6.4.0-150600.23.42.2
kernel-default-extra - update to 6.4.0-150600.23.42.2
kselftests-kmp-64kb - update to 6.4.0-150600.23.42.2
gfs2-kmp-default-debuginfo - update to 6.4.0-150600.23.42.2
ocfs2-kmp-default - update to 6.4.0-150600.23.42.2
kernel-default - update to 6.4.0-150600.23.42.2
kernel-default-livepatch-devel - update to 6.4.0-150600.23.42.2
dlm-kmp-64kb - update to 6.4.0-150600.23.42.2
kernel-default-base - update to 6.4.0-150600.23.42.2.150600.12.18.4
kernel-default-base-rebuild - update to 6.4.0-150600.23.42.2.150600.12.18.4

External References

Related Security Bulletins