NULL pointer dereference in Linux kernel - CVE-2025-22033

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Main Vulnerability Database Vulnerabilities #VU107720

NULL pointer dereference in Linux kernel - CVE-2025-22033

Published: April 22, 2025 / Updated: May 10, 2025


Vulnerability identifier: #VU107720
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-2025-22033
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 do_compat_alignment_fixup() function in arch/arm64/kernel/compat_alignment.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Debian Linux
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
SUSE Linux Enterprise Live Patching
SUSE Real Time Module
Confidential Computing Module
Public Cloud Module
Legacy Module
Development Tools Module
Basesystem Module
openSUSE Leap
Ubuntu
openEuler
kernel-livepatch-6_4_0-150600_10_39-rt
kernel-livepatch-6_4_0-150600_10_39-rt-debuginfo
kernel-livepatch-SLE15-SP6-RT_Update_11-debugsource
kernel-livepatch-6_4_0-150700_7_3-rt
kernel-livepatch-SLE15-SP7-RT_Update_1-debugsource
kernel-livepatch-6_4_0-150700_7_3-rt-debuginfo
kernel-livepatch-6_4_0-150700_53_3-default-debuginfo
kernel-livepatch-SLE15-SP7_Update_1-debugsource
kernel-livepatch-6_4_0-150700_53_3-default
linux (Debian package)
kernel-coco_debug
kernel-coco
kernel-coco_debug-debuginfo
kernel-syms-coco
kernel-coco-devel
kernel-coco_debug-devel
kernel-coco-debugsource
reiserfs-kmp-coco
kernel-coco_debug-debugsource
kernel-coco_debug-devel-debuginfo
kernel-coco-debuginfo
kernel-coco-vdso-debuginfo
reiserfs-kmp-coco-debuginfo
kernel-devel-coco
kernel-source-coco
cluster-md-kmp-azure
gfs2-kmp-azure-debuginfo
kernel-azure-devel
kernel-azure-debugsource
kernel-azure-optional
cluster-md-kmp-azure-debuginfo
dlm-kmp-azure
kernel-azure-extra
kernel-azure-optional-debuginfo
ocfs2-kmp-azure
reiserfs-kmp-azure-debuginfo
kernel-source-azure
kernel-azure-extra-debuginfo
kselftests-kmp-azure-debuginfo
kernel-azure-devel-debuginfo
kselftests-kmp-azure
reiserfs-kmp-azure
kernel-syms-azure
gfs2-kmp-azure
ocfs2-kmp-azure-debuginfo
kernel-azure-debuginfo
dlm-kmp-azure-debuginfo
kernel-azure
kernel-azure-vdso-debuginfo
kernel-azure-vdso
kernel-devel-azure
cluster-md-kmp-rt
kselftests-kmp-rt-debuginfo
dlm-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-optional-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-devel-debuginfo
reiserfs-kmp-rt
gfs2-kmp-rt
kernel-rt_debug-vdso-debuginfo
kernel-rt_debug
kernel-rt-livepatch-devel
kernel-rt-debuginfo
kernel-rt
kernel-source-rt
kernel-devel-rt
kernel-rt-devel
kernel-rt-extra-debuginfo
kernel-syms-rt
kernel-rt_debug-debuginfo
kernel-rt_debug-vdso
kernel-rt_debug-devel-debuginfo
kernel-rt-debugsource
ocfs2-kmp-rt
kernel-rt-optional
dlm-kmp-rt
kernel-rt_debug-debugsource
kselftests-kmp-rt
kernel-rt_debug-devel
kernel-rt-vdso
kernel-rt-extra
gfs2-kmp-rt-debuginfo
ocfs2-kmp-rt-debuginfo
cluster-md-kmp-rt-debuginfo
cluster-md-kmp-default
kernel-default-livepatch
kernel-default-extra-debuginfo
kernel-default-extra
ocfs2-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default-debuginfo
ocfs2-kmp-default
kernel-obs-build
dlm-kmp-default-debuginfo
gfs2-kmp-default
kernel-default-debuginfo
kernel-default-debugsource
reiserfs-kmp-default-debuginfo
reiserfs-kmp-default
kernel-default
kernel-source
kernel-64kb
kernel-default-livepatch-devel
kernel-syms
kernel-obs-build-debugsource
kernel-docs
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-macros
kernel-devel
kernel-default-devel
kernel-default-devel-debuginfo
kernel-64kb-devel-debuginfo
kernel-64kb-debuginfo
kernel-64kb-debugsource
kernel-64kb-devel
kernel-default-base
kernel
bpftool
bpftool-debuginfo
perf
kernel-debuginfo
kernel-debugsource
kernel-headers
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf-debuginfo
python3-perf
python3-perf-debuginfo
kernel-extra-modules
linux (Ubuntu package)
linux-hwe-6.8 (Ubuntu package)
linux-azure-nvidia (Ubuntu package)
linux-oracle-6.8 (Ubuntu package)
linux-gcp-6.8 (Ubuntu package)
linux-aws-6.8 (Ubuntu package)
linux-raspi (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-raspi-realtime (Ubuntu package)
linux-realtime (Ubuntu package)
linux-lowlatency (Ubuntu package)
linux-azure (Ubuntu package)
linux-oem-6.11 (Ubuntu package)
linux-aws (Ubuntu package)

How to mitigate CVE-2025-22033

Install update from vendor's website.

Linux kernel - update to 6.13.11
kernel-livepatch-6_4_0-150600_10_39-rt - update to 1-150600.1.3.2
kernel-livepatch-6_4_0-150600_10_39-rt-debuginfo - update to 1-150600.1.3.2
kernel-livepatch-SLE15-SP6-RT_Update_11-debugsource - update to 1-150600.1.3.2
kernel-livepatch-6_4_0-150700_7_3-rt - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7-RT_Update_1-debugsource - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_7_3-rt-debuginfo - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_53_3-default-debuginfo - update to 1-150700.15.3.1
kernel-livepatch-SLE15-SP7_Update_1-debugsource - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_3-default - update to 1-150700.15.3.1
linux (Debian package) - update to 6.1.135-1
kernel-coco_debug - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco_debug-debuginfo - update to 6.4.0-15061.21.coco15sp6.1
kernel-syms-coco - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco-devel - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco_debug-devel - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco-debugsource - update to 6.4.0-15061.21.coco15sp6.1
reiserfs-kmp-coco - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco_debug-debugsource - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco_debug-devel-debuginfo - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco-debuginfo - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco-vdso-debuginfo - update to 6.4.0-15061.21.coco15sp6.1
reiserfs-kmp-coco-debuginfo - update to 6.4.0-15061.21.coco15sp6.1
kernel-devel-coco - update to 6.4.0-15061.21.coco15sp6.1
kernel-source-coco - update to 6.4.0-15061.21.coco15sp6.1
cluster-md-kmp-azure - update to 6.4.0-150600.8.37.1
gfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.37.1
kernel-azure-devel - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
kernel-azure-debugsource - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
kernel-azure-optional - update to 6.4.0-150600.8.37.1
cluster-md-kmp-azure-debuginfo - update to 6.4.0-150600.8.37.1
dlm-kmp-azure - update to 6.4.0-150600.8.37.1
kernel-azure-extra - update to 6.4.0-150600.8.37.1
kernel-azure-optional-debuginfo - update to 6.4.0-150600.8.37.1
ocfs2-kmp-azure - update to 6.4.0-150600.8.37.1
reiserfs-kmp-azure-debuginfo - update to 6.4.0-150600.8.37.1
kernel-source-azure - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
kernel-azure-extra-debuginfo - update to 6.4.0-150600.8.37.1
kselftests-kmp-azure-debuginfo - update to 6.4.0-150600.8.37.1
kernel-azure-devel-debuginfo - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
kselftests-kmp-azure - update to 6.4.0-150600.8.37.1
reiserfs-kmp-azure - update to 6.4.0-150600.8.37.1
kernel-syms-azure - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
gfs2-kmp-azure - update to 6.4.0-150600.8.37.1
ocfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.37.1
kernel-azure-debuginfo - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
dlm-kmp-azure-debuginfo - update to 6.4.0-150600.8.37.1
kernel-azure - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
kernel-azure-vdso-debuginfo - update to 6.4.0-150600.8.37.1
kernel-azure-vdso - update to 6.4.0-150600.8.37.1
kernel-devel-azure - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
cluster-md-kmp-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kselftests-kmp-rt-debuginfo - update to 6.4.0-150600.10.39.1
dlm-kmp-rt-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt-vdso-debuginfo - update to 6.4.0-150600.10.39.1
kernel-rt-optional-debuginfo - update to 6.4.0-150600.10.39.1
reiserfs-kmp-rt-debuginfo - update to 6.4.0-150600.10.39.1
kernel-rt-devel-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
reiserfs-kmp-rt - update to 6.4.0-150600.10.39.1
gfs2-kmp-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt_debug-vdso-debuginfo - update to 6.4.0-150600.10.39.1
kernel-rt_debug - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt-livepatch-devel - update to 6.4.0-150600.10.39.1
kernel-rt-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-source-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-devel-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt-devel - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt-extra-debuginfo - update to 6.4.0-150600.10.39.1
kernel-syms-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt_debug-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt_debug-vdso - update to 6.4.0-150600.10.39.1
kernel-rt_debug-devel-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt-debugsource - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
ocfs2-kmp-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt-optional - update to 6.4.0-150600.10.39.1
dlm-kmp-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt_debug-debugsource - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kselftests-kmp-rt - update to 6.4.0-150600.10.39.1
kernel-rt_debug-devel - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt-vdso - update to 6.4.0-150600.10.39.1
kernel-rt-extra - update to 6.4.0-150600.10.39.1
gfs2-kmp-rt-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
ocfs2-kmp-rt-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
cluster-md-kmp-rt-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
cluster-md-kmp-default - update to 6.4.0-150700.53.3.1
kernel-default-livepatch - update to 6.4.0-150700.53.3.1
kernel-default-extra-debuginfo - update to 6.4.0-150700.53.3.1
kernel-default-extra - update to 6.4.0-150700.53.3.1
ocfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.3.1
gfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.3.1
dlm-kmp-default - update to 6.4.0-150700.53.3.1
cluster-md-kmp-default-debuginfo - update to 6.4.0-150700.53.3.1
ocfs2-kmp-default - update to 6.4.0-150700.53.3.1
kernel-obs-build - update to 6.4.0-150700.53.3.1
dlm-kmp-default-debuginfo - update to 6.4.0-150700.53.3.1
gfs2-kmp-default - update to 6.4.0-150700.53.3.1
kernel-default-debuginfo - update to 6.4.0-150700.53.3.1
kernel-default-debugsource - update to 6.4.0-150700.53.3.1
reiserfs-kmp-default-debuginfo - update to 6.4.0-150700.53.3.1
reiserfs-kmp-default - update to 6.4.0-150700.53.3.1
kernel-default - update to 6.4.0-150700.53.3.1
kernel-source - update to 6.4.0-150700.53.3.1
kernel-64kb - update to 6.4.0-150700.53.3.1
kernel-default-livepatch-devel - update to 6.4.0-150700.53.3.1
kernel-syms - update to 6.4.0-150700.53.3.1
kernel-obs-build-debugsource - update to 6.4.0-150700.53.3.1
kernel-docs - update to 6.4.0-150700.53.3.1
kernel-zfcpdump-debugsource - update to 6.4.0-150700.53.3.1
kernel-zfcpdump-debuginfo - update to 6.4.0-150700.53.3.1
kernel-zfcpdump - update to 6.4.0-150700.53.3.1
kernel-macros - update to 6.4.0-150700.53.3.1
kernel-devel - update to 6.4.0-150700.53.3.1
kernel-default-devel - update to 6.4.0-150700.53.3.1
kernel-default-devel-debuginfo - update to 6.4.0-150700.53.3.1
kernel-64kb-devel-debuginfo - update to 6.4.0-150700.53.3.1
kernel-64kb-debuginfo - update to 6.4.0-150700.53.3.1
kernel-64kb-debugsource - update to 6.4.0-150700.53.3.1
kernel-64kb-devel - update to 6.4.0-150700.53.3.1
kernel-default-base - update to 6.4.0-150700.53.3.1.150700.17.2.1
kernel - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
bpftool - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
bpftool-debuginfo - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
perf - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-debuginfo - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-debugsource - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-devel - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-headers - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-source - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-tools - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-tools-debuginfo - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-tools-devel - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
perf-debuginfo - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
python3-perf - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
python3-perf-debuginfo - addressed in versions 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-extra-modules - update to 6.6.0-101.0.0.107
linux (Ubuntu package) - addressed in versions 6.8.0-86.87, 6.8.0-86.87.1, 6.8.0-86.87.1~22.04.1, 6.8.0-1025.28, 6.8.0-1038.39, 6.8.0-1039.39, 6.8.0-1039.39~22.04.1, 6.8.0-1041.43~22.04.1, 6.8.0-1041.47+1, 6.8.0-1041.47~22.04.1, 6.8.0-1042.45, 6.11.0-28.28, 6.11.0-28.28~24.04.1, 6.11.0-1011.11, 6.11.0-1014.14, 6.11.0-1015.16, 6.11.0-1016.16, 6.11.0-1016.16~24.04.1, 6.11.0-1017.18, 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-hwe-6.8 (Ubuntu package) - update to 6.8.0-86.87~22.04.1
linux-azure-nvidia (Ubuntu package) - update to 6.8.0-1029.32
linux-oracle-6.8 (Ubuntu package) - update to 6.8.0-1038.39~22.04.1
linux-gcp-6.8 (Ubuntu package) - addressed in versions 6.8.0-1038.43, 6.8.0-1041.44, 6.8.0-1041.44.1, 6.8.0-1041.44~22.04.2, 6.8.0-1042.45~22.04.1
linux-aws-6.8 (Ubuntu package) - update to 6.8.0-1041.43~22.04.1
linux-raspi (Ubuntu package) - update to 6.8.0-1041.45
linux-azure-fips (Ubuntu package) - update to 6.8.0-1044.50+fips1
linux-raspi-realtime (Ubuntu package) - update to 6.8.0-2032.33
linux-realtime (Ubuntu package) - addressed in versions 6.8.1-1036.37, 6.8.1-1036.37~22.04.1
linux-lowlatency (Ubuntu package) - addressed in versions 6.11.0-1015.16, 6.11.0-1015.16~24.04.2
linux-azure (Ubuntu package) - addressed in versions 6.11.0-1018.18, 6.11.0-1018.18~24.04.1, 6.14.0-1007.7
linux-oem-6.11 (Ubuntu package) - update to 6.11.0-1024.24
linux-aws (Ubuntu package) - addressed in versions 6.14.0-1007.7, 6.14.0-1007.7+1

External References

Related Security Bulletins