NULL pointer dereference in Linux kernel - CVE-2024-40984

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Main Vulnerability Database Vulnerabilities #VU94239

NULL pointer dereference in Linux kernel - CVE-2024-40984

Published: July 13, 2024 / Updated: May 13, 2025


Vulnerability identifier: #VU94239
CSH Severity: Low
CVSS v4.0: 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-2024-40984
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Affected software:
Linux kernel
Debian Linux
Oracle Linux
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 12
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 High Performance Computing 12
SUSE Linux Enterprise Real Time 12
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Micro
openSUSE Leap Micro
Red Hat Enterprise Linux for Real Time for NFV
Anolis OS
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise Workstation Extension 12
Public Cloud Module
Legacy Module
Development Tools Module
SUSE Real Time Module
Basesystem Module
openSUSE Leap
Ubuntu
openEuler
IBM Integrated Analytics System
SmartFabric Storage Software
RecoverPoint for Virtual Machines
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
linux-image-5.4.0-195-generic (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-oem-osp1 (Ubuntu package)
linux-image-oem (Ubuntu package)
linux-image-lowlatency-hwe-18.04 (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-snapdragon-hwe-18.04 (Ubuntu package)
linux-image-generic-hwe-18.04 (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-5.4.0-195-lowlatency (Ubuntu package)
linux-image-5.4.0-1137-azure (Ubuntu package)
linux-image-5.4.0-1136-gcp (Ubuntu package)
linux-image-5.4.0-1132-aws (Ubuntu package)
linux-image-5.4.0-1131-oracle (Ubuntu package)
linux-image-5.4.0-1079-ibm (Ubuntu package)
linux-image-5.4.0-1116-raspi (Ubuntu package)
linux-image-raspi-hwe-18.04 (Ubuntu package)
linux-image-virtual-hwe-18.04 (Ubuntu package)
kgraft-patch-4_12_14-122_228-default
kernel-livepatch-5_14_21-150500_13_64-rt
kernel-livepatch-5_14_21-150500_13_64-rt-debuginfo
kernel-livepatch-SLE15-SP5-RT_Update_18-debugsource
kernel-livepatch-SLE15-SP5_Update_17-debugsource
kernel-livepatch-5_14_21-150500_55_73-default-debuginfo
kernel-livepatch-5_14_21-150500_55_73-default
kernel-livepatch-6_4_0-150600_10_8-rt
kernel-livepatch-6_4_0-150600_10_8-rt-debuginfo
kernel-livepatch-SLE15-SP6-RT_Update_2-debugsource
kernel-livepatch-6_4_0-150600_23_22-default
kernel-livepatch-6_4_0-150600_23_22-default-debuginfo
kernel-livepatch-SLE15-SP6_Update_4-debugsource
kernel-rt-debuginfo
dlm-kmp-rt
gfs2-kmp-rt-debuginfo
kernel-rt-base
kernel-syms-rt
kernel-rt_debug-devel-debuginfo
gfs2-kmp-rt
kernel-rt-debugsource
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-debuginfo
cluster-md-kmp-rt
kernel-rt_debug
kernel-rt-devel
kernel-rt-base-debuginfo
kernel-rt_debug-debugsource
ocfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-devel
kernel-rt-devel-debuginfo
dlm-kmp-rt-debuginfo
kernel-devel-rt
kernel-source-rt
kernel-rt
kernel-source-azure
kernel-azure
kernel-azure-base
kernel-azure-devel
kernel-azure-debuginfo
kernel-azure-debugsource
kernel-syms-azure
kernel-azure-base-debuginfo
kernel-devel-azure
kernel-default
kernel-default-devel
gfs2-kmp-default
dlm-kmp-default-debuginfo
kernel-default-base-debuginfo
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default
dlm-kmp-default
kernel-default-debugsource
kernel-syms
kernel-default-base
kernel-default-debuginfo
ocfs2-kmp-default
gfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-devel
kernel-macros
kernel-source
kernel-default-extra-debuginfo
kernel-default-extra
kernel-default-devel-debuginfo
kernel-default-man
kernel-default-kgraft-devel
kernel-default-kgraft
kernel-docs
kernel-obs-build-debugsource
kernel-obs-build
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel-debug-modules-extra
kernel
kernel-modules
kernel-headers
kernel-debug-modules
kernel-debug-devel
kernel-debug
kernel-doc
kernel-cross-headers
kernel-core
bpftool
kernel-abi-stablelists
python3-perf
perf
kernel-debug-core
kernel-tools-libs-devel
kernel-tools-libs
kernel-tools
kernel-modules-extra
python2-perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-debugsource
kernel-debuginfo
bpftool-debuginfo
perf-debuginfo
python2-perf-debuginfo
python3-perf-debuginfo
linux-image-generic-lpae (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-5.4.0-195-generic-lpae (Ubuntu package)
linux-image-5.4.0-1043-iot (Ubuntu package)
linux-image-xilinx-zynqmp (Ubuntu package)
linux-image-5.4.0-1051-xilinx-zynqmp (Ubuntu package)
linux-image-ibm-lts-20.04 (Ubuntu package)
linux-image-bluefield (Ubuntu package)
linux-image-5.4.0-1092-bluefield (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-gkeop-5.4 (Ubuntu package)
linux-image-5.4.0-1099-gkeop (Ubuntu package)
linux-image-raspi2-hwe-18.04 (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-raspi2 (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-5.4.0-1120-kvm (Ubuntu package)
linux-image-oracle-lts-20.04 (Ubuntu package)
linux-image-aws-lts-20.04 (Ubuntu package)
linux-image-gcp-lts-20.04 (Ubuntu package)
linux-image-azure-lts-20.04 (Ubuntu package)
linux (Debian package)
kselftests-kmp-rt-debuginfo
kernel-rt-livepatch
kernel-rt-optional-debuginfo
reiserfs-kmp-rt
kernel-rt_debug-vdso
kernel-rt-vdso
kernel-rt-extra-debuginfo
kselftests-kmp-rt
kernel-rt-extra
kernel-rt-vdso-debuginfo
kernel-rt-livepatch-devel
kernel-rt-optional
kernel-rt_debug-vdso-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt_debug-livepatch-devel
kernel-azure-livepatch-devel
cluster-md-kmp-azure
ocfs2-kmp-azure-debuginfo
gfs2-kmp-azure
kernel-azure-optional-debuginfo
ocfs2-kmp-azure
reiserfs-kmp-azure-debuginfo
reiserfs-kmp-azure
dlm-kmp-azure
kernel-azure-extra-debuginfo
cluster-md-kmp-azure-debuginfo
kselftests-kmp-azure-debuginfo
dlm-kmp-azure-debuginfo
kselftests-kmp-azure
kernel-azure-vdso
kernel-azure-vdso-debuginfo
kernel-azure-devel-debuginfo
gfs2-kmp-azure-debuginfo
kernel-azure-extra
kernel-azure-optional
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-debug-devel-debuginfo
kernel-debug-debugsource
kernel-debug-debuginfo
kernel-debug-livepatch-devel
kernel-source-vanilla
kernel-64kb-devel
ocfs2-kmp-64kb-debuginfo
kernel-64kb-optional
kselftests-kmp-64kb-debuginfo
dtb-amazon
dtb-sprd
dtb-hisilicon
dtb-marvell
gfs2-kmp-64kb-debuginfo
kernel-64kb-devel-debuginfo
dlm-kmp-64kb-debuginfo
dtb-exynos
dtb-freescale
dtb-qcom
kernel-64kb
kernel-64kb-debugsource
kernel-64kb-extra-debuginfo
kernel-64kb-extra
dtb-allwinner
kernel-64kb-optional-debuginfo
gfs2-kmp-64kb
cluster-md-kmp-64kb
dtb-lg
dtb-xilinx
dtb-nvidia
kernel-64kb-livepatch-devel
kselftests-kmp-64kb
kernel-64kb-debuginfo
reiserfs-kmp-64kb-debuginfo
dlm-kmp-64kb
dtb-renesas
dtb-rockchip
ocfs2-kmp-64kb
reiserfs-kmp-64kb
cluster-md-kmp-64kb-debuginfo
kernel-default-vdso-debuginfo
dtb-socionext
dtb-cavium
dtb-apple
dtb-amd
dtb-apm
dtb-amlogic
dtb-arm
dtb-mediatek
dtb-altera
dtb-broadcom
kernel-obs-qa
kernel-default-optional
kselftests-kmp-default-debuginfo
kernel-default-livepatch-devel
kernel-zfcpdump-debuginfo
kselftests-kmp-default
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debuginfo
kernel-kvmsmall-livepatch-devel
kernel-kvmsmall-devel
kernel-kvmsmall-debugsource
kernel-debug-vdso-debuginfo
kernel-debug-vdso
kernel-default-vdso
dtb-aarch64
kernel-zfcpdump-debugsource
kernel-zfcpdump
kernel-kvmsmall
kernel-default-livepatch
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-default-optional-debuginfo
kernel-default-base-rebuild
kernel-docs-html
linux-image-lowlatency-64k (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-5.15.0-121-generic-lpae (Ubuntu package)
linux-image-5.15.0-121-generic-64k (Ubuntu package)
linux-image-5.15.0-121-generic (Ubuntu package)
linux-image-5.15.0-121-lowlatency-64k (Ubuntu package)
linux-image-5.15.0-121-lowlatency (Ubuntu package)
linux-image-oem-20.04 (Ubuntu package)
linux-image-generic-64k-hwe-20.04 (Ubuntu package)
linux-image-generic-hwe-20.04 (Ubuntu package)
linux-image-generic-lpae-hwe-20.04 (Ubuntu package)
linux-image-lowlatency-64k-hwe-20.04 (Ubuntu package)
linux-image-oem-20.04b (Ubuntu package)
linux-image-lowlatency-hwe-20.04 (Ubuntu package)
linux-image-oem-20.04c (Ubuntu package)
linux-image-oem-20.04d (Ubuntu package)
linux-image-virtual-hwe-20.04 (Ubuntu package)
linux-image-5.15.0-1035-xilinx-zynqmp (Ubuntu package)
linux-image-gkeop-5.15 (Ubuntu package)
linux-image-5.15.0-1052-gkeop (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-5.15.0-1062-ibm (Ubuntu package)
linux-image-5.15.0-1062-raspi (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-5.15.0-1064-nvidia (Ubuntu package)
linux-image-5.15.0-1064-nvidia-lowlatency (Ubuntu package)
linux-image-5.15.0-1064-intel-iotg (Ubuntu package)
linux-image-gke-5.15 (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-5.15.0-1066-kvm (Ubuntu package)
linux-image-5.15.0-1066-gke (Ubuntu package)
linux-image-oracle-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1067-oracle (Ubuntu package)
linux-image-gcp-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1068-gcp (Ubuntu package)
linux-image-aws-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1069-aws (Ubuntu package)
linux-image-azure-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1072-azure (Ubuntu package)
linux-image-5.15.0-1072-azure-fde (Ubuntu package)
linux-image-azure-cvm (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-azure-fde-lts-22.04 (Ubuntu package)
linux-image-virtual-hwe-24.04 (Ubuntu package)
linux-image-6.8.0-44-generic-64k (Ubuntu package)
linux-image-6.8.0-44-generic (Ubuntu package)
linux-image-generic-64k-hwe-24.04 (Ubuntu package)
linux-image-generic-hwe-24.04 (Ubuntu package)
linux-image-6.8.0-44-lowlatency (Ubuntu package)
linux-image-6.8.0-44-lowlatency-64k (Ubuntu package)
linux-image-lowlatency-hwe-22.04 (Ubuntu package)
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package)
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-6.8.0-45-generic (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-oem-22.04d (Ubuntu package)
linux-image-oem-22.04c (Ubuntu package)
linux-image-oem-22.04b (Ubuntu package)
linux-image-oem-22.04a (Ubuntu package)
linux-image-oem-22.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-6.8.0-45-generic-64k (Ubuntu package)
linux-image-6.8.0-1010-gke (Ubuntu package)
linux-image-6.8.0-1011-raspi (Ubuntu package)
linux-image-6.8.0-1012-ibm (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-6.8.0-1012-oem (Ubuntu package)
linux-image-6.8.0-1012-oracle (Ubuntu package)
linux-image-6.8.0-1012-oracle-64k (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-nvidia-64k (Ubuntu package)
linux-image-6.8.0-1013-nvidia-64k (Ubuntu package)
linux-image-6.8.0-1013-nvidia (Ubuntu package)
linux-image-nvidia-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-1013-nvidia-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-1013-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia-6.8 (Ubuntu package)
linux-image-nvidia-64k-6.8 (Ubuntu package)
linux-image-6.8.0-1014-azure (Ubuntu package)
linux-image-6.8.0-1014-azure-fde (Ubuntu package)
linux-image-6.8.0-1014-gcp (Ubuntu package)
linux-image-6.8.0-1015-aws (Ubuntu package)
IBM Security Verify Governance
Red Hat OpenShift Dev Spaces
IBM DataPower Gateway
Red Hat OpenShift Container Platform
IBM Cloud Pak for Watson AIOps
linux-image-intel-iotg (Ubuntu package)
linux-image-intel (Ubuntu package)
Juniper Secure Analytics (JSA)
IBM Security Guardium

Detailed vulnerability description

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

The vulnerability exists due to NULL pointer dereference within the acpi_ex_system_memory_space_handler() function in drivers/acpi/acpica/exregion.c. A local user can perform a denial of service (DoS) attack.


How to mitigate CVE-2024-40984

Install update from vendor's website.

Sources