NULL pointer dereference in Linux kernel - CVE-2025-40097

Vulnerability identifier: #VU117849

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-2025-40097

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the hda_component_manager_init() function in sound/hda/codecs/side-codecs/hda_component.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Live Patching
Development Tools Module
SUSE Real Time Module
Public Cloud Module
Legacy Module
Basesystem Module
openSUSE Leap
Ubuntu
kernel-livepatch-6_4_0-150600_23_87-default
kernel-livepatch-6_4_0-150600_23_87-default-debuginfo
kernel-livepatch-SLE15-SP6_Update_20-debugsource
kernel-livepatch-SLE15-SP7-RT_Update_9-debugsource
kernel-livepatch-6_4_0-150700_7_31-rt
kernel-livepatch-6_4_0-150700_7_31-rt-debuginfo
kernel-livepatch-6_4_0-150700_53_31-default
kernel-livepatch-SLE15-SP7_Update_9-debugsource
kernel-livepatch-6_4_0-150700_53_31-default-debuginfo
kernel-default-devel
dtb-amlogic
kernel-obs-qa
kernel-default-optional-debuginfo
kernel-default
kernel-default-livepatch-devel
kernel-kvmsmall
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
dtb-aarch64
reiserfs-kmp-default-debuginfo
dlm-kmp-default-debuginfo
ocfs2-kmp-default
kernel-default-livepatch
kernel-obs-build
kernel-default-devel-debuginfo
kernel-obs-build-debugsource
gfs2-kmp-default
kernel-default-extra-debuginfo
ocfs2-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
kernel-default-debugsource
kernel-default-optional
cluster-md-kmp-default-debuginfo
kernel-syms
kselftests-kmp-default
kselftests-kmp-default-debuginfo
cluster-md-kmp-default
kernel-64kb-optional-debuginfo
kernel-64kb-extra
dtb-cavium
ocfs2-kmp-64kb-debuginfo
dtb-socionext
dtb-allwinner
kernel-64kb-extra-debuginfo
dtb-sprd
reiserfs-kmp-64kb-debuginfo
dtb-amd
dtb-altera
dtb-apm
cluster-md-kmp-64kb-debuginfo
dtb-renesas
dtb-lg
dlm-kmp-64kb
kernel-64kb-devel
dtb-hisilicon
dtb-amazon
dtb-freescale
dtb-qcom
gfs2-kmp-64kb
kselftests-kmp-64kb-debuginfo
cluster-md-kmp-64kb
gfs2-kmp-64kb-debuginfo
dtb-nvidia
dtb-broadcom
dtb-mediatek
dtb-marvell
kernel-64kb-debuginfo
kernel-64kb-debugsource
kernel-64kb-devel-debuginfo
dtb-apple
kernel-debug-debuginfo
kernel-debug
kernel-devel
kernel-docs-html
kernel-macros
kernel-source-vanilla
kernel-source
kernel-docs
kernel-64kb-optional
dlm-kmp-default
ocfs2-kmp-64kb
dtb-exynos
dtb-xilinx
dlm-kmp-64kb-debuginfo
kselftests-kmp-64kb
reiserfs-kmp-64kb
dtb-rockchip
dtb-arm
kernel-64kb
kernel-debug-devel
kernel-default-debuginfo
reiserfs-kmp-default
kernel-debug-devel-debuginfo
kernel-default-extra
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-devel
kernel-debug-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-default-vdso
kernel-default-vdso-debuginfo
kernel-debug-debugsource
kernel-debug-vdso
kernel-default-base
kernel-default-base-rebuild
kernel-devel-rt
kernel-syms-rt
kernel-source-rt
dlm-kmp-rt
kernel-rt-devel-debuginfo
cluster-md-kmp-rt
kernel-rt-devel
gfs2-kmp-rt
dlm-kmp-rt-debuginfo
ocfs2-kmp-rt-debuginfo
kernel-rt
kernel-rt-debuginfo
gfs2-kmp-rt-debuginfo
ocfs2-kmp-rt
cluster-md-kmp-rt-debuginfo
kernel-rt-debugsource
kernel-devel-azure
kernel-source-azure
kernel-azure-devel-debuginfo
kernel-azure-debugsource
kernel-syms-azure
kernel-azure-devel
kernel-azure-debuginfo
kernel-azure
linux (Ubuntu package)
linux-aws (Ubuntu package)
linux-gcp (Ubuntu package)
linux-azure (Ubuntu package)
linux-oem-6.17 (Ubuntu package)

Install update from vendor's repository.

kernel-livepatch-6_4_0-150600_23_87-default - update to 1-150600.13.3.1
kernel-livepatch-6_4_0-150600_23_87-default-debuginfo - update to 1-150600.13.3.1
kernel-livepatch-SLE15-SP6_Update_20-debugsource - update to 1-150600.13.3.1
kernel-livepatch-SLE15-SP7-RT_Update_9-debugsource - update to 1-150700.1.3.2
kernel-livepatch-6_4_0-150700_7_31-rt - update to 1-150700.1.3.2
kernel-livepatch-6_4_0-150700_7_31-rt-debuginfo - update to 1-150700.1.3.2
kernel-livepatch-6_4_0-150700_53_31-default - update to 1-150700.15.3.1
kernel-livepatch-SLE15-SP7_Update_9-debugsource - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_31-default-debuginfo - update to 1-150700.15.3.1
kernel-default-devel - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dtb-amlogic - update to 6.4.0-150600.23.87.1
kernel-obs-qa - update to 6.4.0-150600.23.87.1
kernel-default-optional-debuginfo - update to 6.4.0-150600.23.87.1
kernel-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-livepatch-devel - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-kvmsmall - update to 6.4.0-150600.23.87.1
kernel-zfcpdump - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-zfcpdump-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-zfcpdump-debugsource - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dtb-aarch64 - update to 6.4.0-150600.23.87.1
reiserfs-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dlm-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
ocfs2-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-livepatch - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-obs-build - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-devel-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-obs-build-debugsource - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
gfs2-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-extra-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
ocfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
gfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-debugsource - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-optional - update to 6.4.0-150600.23.87.1
cluster-md-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-syms - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kselftests-kmp-default - update to 6.4.0-150600.23.87.1
kselftests-kmp-default-debuginfo - update to 6.4.0-150600.23.87.1
cluster-md-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-64kb-optional-debuginfo - update to 6.4.0-150600.23.87.1
kernel-64kb-extra - update to 6.4.0-150600.23.87.1
dtb-cavium - update to 6.4.0-150600.23.87.1
ocfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
dtb-socionext - update to 6.4.0-150600.23.87.1
dtb-allwinner - update to 6.4.0-150600.23.87.1
kernel-64kb-extra-debuginfo - update to 6.4.0-150600.23.87.1
dtb-sprd - update to 6.4.0-150600.23.87.1
reiserfs-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
dtb-amd - update to 6.4.0-150600.23.87.1
dtb-altera - update to 6.4.0-150600.23.87.1
dtb-apm - update to 6.4.0-150600.23.87.1
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
dtb-renesas - update to 6.4.0-150600.23.87.1
dtb-lg - update to 6.4.0-150600.23.87.1
dlm-kmp-64kb - update to 6.4.0-150600.23.87.1
kernel-64kb-devel - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dtb-hisilicon - update to 6.4.0-150600.23.87.1
dtb-amazon - update to 6.4.0-150600.23.87.1
dtb-freescale - update to 6.4.0-150600.23.87.1
dtb-qcom - update to 6.4.0-150600.23.87.1
gfs2-kmp-64kb - update to 6.4.0-150600.23.87.1
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
cluster-md-kmp-64kb - update to 6.4.0-150600.23.87.1
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
dtb-nvidia - update to 6.4.0-150600.23.87.1
dtb-broadcom - update to 6.4.0-150600.23.87.1
dtb-mediatek - update to 6.4.0-150600.23.87.1
dtb-marvell - update to 6.4.0-150600.23.87.1
kernel-64kb-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-64kb-debugsource - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-64kb-devel-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dtb-apple - update to 6.4.0-150600.23.87.1
kernel-debug-debuginfo - update to 6.4.0-150600.23.87.1
kernel-debug - update to 6.4.0-150600.23.87.1
kernel-devel - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-docs-html - update to 6.4.0-150600.23.87.1
kernel-macros - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-source-vanilla - update to 6.4.0-150600.23.87.1
kernel-source - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-docs - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-64kb-optional - update to 6.4.0-150600.23.87.1
dlm-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
ocfs2-kmp-64kb - update to 6.4.0-150600.23.87.1
dtb-exynos - update to 6.4.0-150600.23.87.1
dtb-xilinx - update to 6.4.0-150600.23.87.1
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
kselftests-kmp-64kb - update to 6.4.0-150600.23.87.1
reiserfs-kmp-64kb - update to 6.4.0-150600.23.87.1
dtb-rockchip - update to 6.4.0-150600.23.87.1
dtb-arm - update to 6.4.0-150600.23.87.1
kernel-64kb - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-debug-devel - update to 6.4.0-150600.23.87.1
kernel-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
reiserfs-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.87.1
kernel-default-extra - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-kvmsmall-debugsource - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-debuginfo - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-devel - update to 6.4.0-150600.23.87.1
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.87.1
kernel-default-vdso - update to 6.4.0-150600.23.87.1
kernel-default-vdso-debuginfo - update to 6.4.0-150600.23.87.1
kernel-debug-debugsource - update to 6.4.0-150600.23.87.1
kernel-debug-vdso - update to 6.4.0-150600.23.87.1
kernel-default-base - addressed in versions 6.4.0-150600.23.87.1.150600.12.40.1, 6.4.0-150700.53.31.1.150700.17.21.1
kernel-default-base-rebuild - update to 6.4.0-150600.23.87.1.150600.12.40.1
kernel-devel-rt - update to 6.4.0-150700.7.31.1
kernel-syms-rt - update to 6.4.0-150700.7.31.1
kernel-source-rt - update to 6.4.0-150700.7.31.1
dlm-kmp-rt - update to 6.4.0-150700.7.31.2
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.31.2
cluster-md-kmp-rt - update to 6.4.0-150700.7.31.2
kernel-rt-devel - update to 6.4.0-150700.7.31.2
gfs2-kmp-rt - update to 6.4.0-150700.7.31.2
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
kernel-rt - update to 6.4.0-150700.7.31.2
kernel-rt-debuginfo - update to 6.4.0-150700.7.31.2
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
ocfs2-kmp-rt - update to 6.4.0-150700.7.31.2
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
kernel-rt-debugsource - update to 6.4.0-150700.7.31.2
kernel-devel-azure - update to 6.4.0-150700.20.27.1
kernel-source-azure - update to 6.4.0-150700.20.27.1
kernel-azure-devel-debuginfo - update to 6.4.0-150700.20.27.1
kernel-azure-debugsource - update to 6.4.0-150700.20.27.1
kernel-syms-azure - update to 6.4.0-150700.20.27.1
kernel-azure-devel - update to 6.4.0-150700.20.27.1
kernel-azure-debuginfo - update to 6.4.0-150700.20.27.1
kernel-azure - update to 6.4.0-150700.20.27.1
linux (Ubuntu package) - addressed in versions 6.17.0-14.14, 6.17.0-1006.7, 6.17.0-1008.8
linux-aws (Ubuntu package) - update to 6.17.0-1007.7
linux-gcp (Ubuntu package) - update to 6.17.0-1007.7
linux-azure (Ubuntu package) - update to 6.17.0-1008.8
linux-oem-6.17 (Ubuntu package) - update to 6.17.0-1011.11

• https://git.kernel.org/stable/c/1cf11d80db5df805b538c942269e05a65bcaf5bc
• https://git.kernel.org/stable/c/47d1b9ca923b55c3f407788f1f15b04957e0e027

• NULL pointer dereference in Linux kernel codecs side-codecs
• SUSE update for the Linux Kernel
• Ubuntu update for linux-gcp
• Ubuntu update for linux
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• Ubuntu update for linux-aws
• Ubuntu update for linux-oem-6.17
• SUSE update for the Linux Kernel
• Ubuntu update for linux-azure