NULL pointer dereference in Linux kernel - CVE-2024-43819

Vulnerability identifier: #VU96130

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-2024-43819

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

Affected software:
Linux kernel
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Real Time 12
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Micro
openSUSE Leap Micro
SUSE Linux Enterprise Workstation Extension 12
SUSE Linux Enterprise Live Patching
Development Tools Module
Public Cloud Module
Legacy Module
Basesystem Module
SUSE Real Time Module
openSUSE Leap
openEuler
Ubuntu
RecoverPoint for Virtual Machines
kgraft-patch-4_12_14-122_228-default
kernel-livepatch-5_14_21-150500_55_80-default
kernel-livepatch-SLE15-SP5_Update_19-debugsource
kernel-livepatch-5_14_21-150500_55_80-default-debuginfo
kernel-livepatch-5_14_21-150500_13_67-rt-debuginfo
kernel-livepatch-5_14_21-150500_13_67-rt
kernel-livepatch-SLE15-SP5-RT_Update_19-debugsource
kernel-livepatch-SLE15-SP6-RT_Update_2-debugsource
kernel-livepatch-6_4_0-150600_10_8-rt-debuginfo
kernel-livepatch-6_4_0-150600_10_8-rt
kernel-livepatch-SLE15-SP6_Update_4-debugsource
kernel-livepatch-6_4_0-150600_23_22-default-debuginfo
kernel-livepatch-6_4_0-150600_23_22-default
kernel-rt-devel-debuginfo
kernel-rt_debug-devel-debuginfo
gfs2-kmp-rt
kernel-rt-debugsource
kernel-rt_debug
cluster-md-kmp-rt-debuginfo
kernel-rt-base
gfs2-kmp-rt-debuginfo
kernel-rt
kernel-source-rt
kernel-devel-rt
dlm-kmp-rt-debuginfo
kernel-rt-devel
kernel-rt_debug-devel
ocfs2-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-rt_debug-debugsource
kernel-rt-debuginfo
kernel-syms-rt
kernel-rt_debug-debuginfo
cluster-md-kmp-rt
kernel-rt-base-debuginfo
dlm-kmp-rt
kernel-source-azure
kernel-devel-azure
kernel-azure-base-debuginfo
kernel-syms-azure
kernel-azure-debugsource
kernel-azure-debuginfo
kernel-azure-devel
kernel-azure-base
kernel-azure
kernel-default-man
dlm-kmp-default
kernel-default-extra-debuginfo
kernel-default-extra
cluster-md-kmp-default
kernel-default-kgraft
kernel-default-kgraft-devel
kernel-default-devel-debuginfo
kernel-source
kernel-macros
kernel-devel
kernel-default
gfs2-kmp-default
dlm-kmp-default-debuginfo
kernel-default-base-debuginfo
ocfs2-kmp-default-debuginfo
kernel-default-devel
cluster-md-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
ocfs2-kmp-default
kernel-default-debuginfo
kernel-default-base
kernel-syms
kernel-default-debugsource
kernel-docs
kernel-obs-build-debugsource
kernel-obs-build
python3-perf-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-headers
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
kernel
perf
perf-debuginfo
python3-perf
bpftool-debuginfo
bpftool
kernel-rt_debug-vdso
kernel-rt-vdso
kernel-rt_debug-vdso-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-extra
kernel-rt-optional
kernel-rt-optional-debuginfo
kernel-rt_debug-livepatch-devel
kernel-rt-livepatch
reiserfs-kmp-rt
kselftests-kmp-rt-debuginfo
kernel-rt-livepatch-devel
kselftests-kmp-rt
kernel-rt-extra-debuginfo
kernel-rt-vdso-debuginfo
reiserfs-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
kernel-azure-extra-debuginfo
reiserfs-kmp-azure
kernel-azure-devel-debuginfo
kernel-azure-optional
kernel-azure-optional-debuginfo
kernel-azure-extra
dlm-kmp-azure
kernel-azure-livepatch-devel
kernel-azure-vdso-debuginfo
kernel-azure-vdso
gfs2-kmp-azure
ocfs2-kmp-azure-debuginfo
ocfs2-kmp-azure
kselftests-kmp-azure-debuginfo
dlm-kmp-azure-debuginfo
gfs2-kmp-azure-debuginfo
cluster-md-kmp-azure
kselftests-kmp-azure
dtb-amlogic
dtb-nvidia
dtb-arm
dtb-renesas
dtb-mediatek
dtb-hisilicon
dtb-amazon
dtb-marvell
dtb-cavium
dtb-altera
dtb-lg
dtb-exynos
dtb-rockchip
dtb-qcom
dtb-aarch64
dtb-amd
dtb-xilinx
dtb-apple
dtb-apm
dtb-freescale
dtb-sprd
dtb-socionext
kernel-obs-qa
dtb-broadcom
dtb-allwinner
kernel-64kb-devel
kernel-64kb-optional
kernel-64kb-debuginfo
gfs2-kmp-64kb
kernel-64kb-debugsource
dlm-kmp-64kb
kernel-64kb-optional-debuginfo
reiserfs-kmp-64kb-debuginfo
ocfs2-kmp-64kb
kernel-default-livepatch
kernel-64kb-devel-debuginfo
kselftests-kmp-64kb
kselftests-kmp-64kb-debuginfo
cluster-md-kmp-64kb
dlm-kmp-64kb-debuginfo
kernel-debug
kernel-kvmsmall-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-livepatch-devel
kernel-default-vdso-debuginfo
kernel-debug-vdso-debuginfo
kernel-default-vdso
kernel-debug-vdso
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-debug-debuginfo
kernel-debug-devel-debuginfo
kernel-debug-debugsource
kernel-debug-livepatch-devel
kernel-debug-devel
kernel-zfcpdump-debuginfo
kernel-source-vanilla
kernel-docs-html
reiserfs-kmp-64kb
cluster-md-kmp-64kb-debuginfo
kernel-64kb-extra
ocfs2-kmp-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
kernel-64kb-livepatch-devel
kernel-64kb-extra-debuginfo
kernel-64kb
kselftests-kmp-default
kernel-zfcpdump-debugsource
kernel-zfcpdump
kernel-kvmsmall
reiserfs-kmp-default
kernel-default-optional
kselftests-kmp-default-debuginfo
reiserfs-kmp-default-debuginfo
kernel-default-livepatch-devel
kernel-default-optional-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-devel-debuginfo
kernel-default-base-rebuild
linux-image-generic-64k-hwe-24.04 (Ubuntu package)
linux-image-virtual-hwe-24.04 (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-generic-hwe-24.04 (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-6.8.0-50-generic-64k (Ubuntu package)
linux-image-6.8.0-50-generic (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-6.8.0-50-lowlatency (Ubuntu package)
linux-image-lowlatency-hwe-24.04 (Ubuntu package)
linux-image-6.8.0-50-lowlatency-64k (Ubuntu package)
linux-image-lowlatency-64k-hwe-24.04 (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-lowlatency-hwe-22.04 (Ubuntu package)
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package)
linux-image-oem-22.04b (Ubuntu package)
linux-image-oem-22.04c (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-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-oem-22.04d (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-6.8.0-1002-gkeop (Ubuntu package)
linux-image-gkeop-6.8 (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-6.8.0-1015-gke (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-6.8.0-1016-raspi (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-6.8.0-1017-ibm (Ubuntu package)
linux-image-6.8.0-1017-oracle (Ubuntu package)
linux-image-6.8.0-1017-oracle-64k (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-6.8.0-1018-oem (Ubuntu package)
linux-image-oem-24.04a (Ubuntu package)
linux-image-oem-24.04 (Ubuntu package)
linux-image-nvidia-64k (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-6.8.0-1019-gcp (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-6.8.0-1019-nvidia (Ubuntu package)
linux-image-6.8.0-1019-nvidia-64k (Ubuntu package)
linux-image-nvidia-lowlatency-64k (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-6.8.0-1019-nvidia-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-1019-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-6.8 (Ubuntu package)
linux-image-nvidia-64k-6.8 (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-6.8.0-1020-aws (Ubuntu package)
linux-image-6.8.0-1020-azure (Ubuntu package)
linux-image-6.8.0-1020-azure-fde (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-azure-fde (Ubuntu package)

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

The vulnerability exists due to NULL pointer dereference within the kvm_arch_prepare_memory_region() function in arch/s390/kvm/kvm-s390.c. A local user can perform a denial of service (DoS) attack.

Install update from vendor's website.

• https://git.kernel.org/stable/c/49c9945c054df4c22008e2bf87ca74d3e2507aa6
• https://git.kernel.org/stable/c/7816e58967d0e6cadce05c8540b47ed027dc2499
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11