Main Vulnerability Database Vulnerabilities #VU97536

Improper locking in Linux kernel - CVE-2024-46787

Published: September 18, 2024 / Updated: May 12, 2025

Vulnerability identifier: #VU97536

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-2024-46787

CWE-ID: CWE-667

Exploitation vector: Local access

Exploit availability: No public exploit available

Affected software:
Linux kernel
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Real Time 12
openSUSE Leap Micro
SUSE Linux Enterprise Micro
Anolis OS
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise Workstation Extension 12
Ubuntu
Public Cloud Module
SUSE Real Time Module
Legacy Module
Development Tools Module
Basesystem Module
Confidential Computing Module
openSUSE Leap
openEuler
APEX Cloud Platform for Microsoft Azure
RecoverPoint for Virtual Machines
IBM DataPower Gateway
kgraft-patch-4_12_14-122_231-default
kernel-livepatch-5_14_21-150500_55_83-default
kernel-livepatch-5_14_21-150500_55_83-default-debuginfo
kernel-livepatch-SLE15-SP5_Update_20-debugsource
kernel-livepatch-SLE15-SP5-RT_Update_21-debugsource
kernel-livepatch-5_14_21-150500_13_73-rt
kernel-livepatch-5_14_21-150500_13_73-rt-debuginfo
kernel-livepatch-SLE15-SP6-RT_Update_4-debugsource
kernel-livepatch-6_4_0-150600_10_14-rt
kernel-livepatch-6_4_0-150600_10_14-rt-debuginfo
kernel-livepatch-SLE15-SP6_Update_5-debugsource
kernel-livepatch-6_4_0-150600_23_25-default-debuginfo
kernel-livepatch-6_4_0-150600_23_25-default
linux (Ubuntu package)
linux-fips (Ubuntu package)
linux-kvm (Ubuntu package)
kernel-rt_debug-debugsource
cluster-md-kmp-rt
kernel-syms-rt
kernel-rt-devel
kernel-rt_debug-debuginfo
kernel-rt_debug-devel-debuginfo
kernel-rt-debugsource
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-devel
ocfs2-kmp-rt
gfs2-kmp-rt-debuginfo
kernel-rt
kernel-rt_debug
kernel-devel-rt
kernel-source-rt
ocfs2-kmp-rt-debuginfo
dlm-kmp-rt-debuginfo
kernel-rt-debuginfo
kernel-rt-base
kernel-rt-devel-debuginfo
gfs2-kmp-rt
dlm-kmp-rt
kernel-rt-base-debuginfo
kernel-azure-debugsource
kernel-azure
kernel-azure-debuginfo
kernel-syms-azure
kernel-azure-base
kernel-azure-devel
kernel-azure-base-debuginfo
kernel-source-azure
kernel-devel-azure
kernel-default-debuginfo
kernel-docs
kernel-obs-build-debugsource
kernel-obs-build
cluster-md-kmp-default-debuginfo
kernel-default-debugsource
kernel-default-base-debuginfo
kernel-default-devel
kernel-syms
kernel-source
kernel-devel
kernel-macros
kernel-default-devel-debuginfo
kernel-default-man
kernel-default-base
kernel-default
kernel-default-kgraft
gfs2-kmp-default
dlm-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
ocfs2-kmp-default
cluster-md-kmp-default
dlm-kmp-default
kernel-default-extra
kernel-default-extra-debuginfo
kernel-default-kgraft-devel
linux-aws-fips (Ubuntu package)
linux-iot (Ubuntu package)
linux-azure (Ubuntu package)
kernel-debuginfo
kernel
python3-perf-debuginfo
python3-perf
perf-debuginfo
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-headers
kernel-debugsource
bpftool
bpftool-debuginfo
kernel-core
kernel-debug
kernel-debug-core
kernel-debug-devel
kernel-debug-modules
kernel-debug-modules-extra
kernel-debug-modules-internal
kernel-modules
kernel-tools-libs-devel
kernel-tools-libs
kernel-modules-internal
kernel-modules-extra
kernel-rt-optional
kernel-rt_debug-livepatch-devel
kselftests-kmp-rt
kernel-rt-livepatch
kselftests-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-optional-debuginfo
kernel-rt-extra-debuginfo
kernel-rt-extra
kernel-rt_debug-vdso-debuginfo
kernel-rt_debug-vdso
reiserfs-kmp-rt-debuginfo
kernel-rt-vdso
reiserfs-kmp-rt
kernel-rt-livepatch-devel
ocfs2-kmp-azure
kernel-azure-devel-debuginfo
ocfs2-kmp-azure-debuginfo
dlm-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
cluster-md-kmp-azure
reiserfs-kmp-azure-debuginfo
gfs2-kmp-azure-debuginfo
kernel-azure-extra
kernel-azure-optional-debuginfo
reiserfs-kmp-azure
kselftests-kmp-azure-debuginfo
gfs2-kmp-azure
dlm-kmp-azure
kernel-azure-livepatch-devel
kernel-azure-extra-debuginfo
kernel-azure-optional
kselftests-kmp-azure
kernel-azure-vdso
kernel-azure-vdso-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
kernel-64kb-debugsource
kernel-64kb-devel
kernel-64kb-devel-debuginfo
kernel-64kb-debuginfo
kernel-64kb
kernel-default-livepatch-devel
kernel-zfcpdump-debuginfo
kernel-default-livepatch
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
linux-ibm-5.15 (Ubuntu package)
linux-xilinx-zynqmp (Ubuntu package)
linux-aws-5.15 (Ubuntu package)
linux-raspi (Ubuntu package)
linux-intel-iotg-5.15 (Ubuntu package)
linux-realtime (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
reiserfs-kmp-coco
kernel-coco_debug-debuginfo
kernel-coco-debugsource
kernel-coco_debug
kernel-coco
kernel-coco_debug-devel
kernel-coco_debug-debugsource
kernel-coco-devel
kernel-coco-vdso-debuginfo
kernel-devel-coco
kernel-coco-debuginfo
kernel-coco_debug-devel-debuginfo
kernel-source-coco
reiserfs-kmp-coco-debuginfo
kernel-syms-coco
kernel-debug-devel-debuginfo
kernel-debug-livepatch-devel
kernel-debug-debuginfo
kernel-debug-debugsource
kernel-source-vanilla
kselftests-kmp-64kb-debuginfo
kernel-obs-qa
kselftests-kmp-default
kselftests-kmp-default-debuginfo
kernel-default-optional-debuginfo
kernel-kvmsmall
dtb-aarch64
gfs2-kmp-64kb-debuginfo
dtb-cavium
kernel-kvmsmall-livepatch-devel
kernel-debug-vdso
kernel-default-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-default-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-debug-vdso-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debuginfo
kernel-default-optional
dtb-lg
dtb-amlogic
dtb-sprd
cluster-md-kmp-64kb
kernel-64kb-optional
dtb-xilinx
dtb-apm
ocfs2-kmp-64kb
dtb-freescale
dtb-rockchip
dtb-broadcom
dtb-amazon
kselftests-kmp-64kb
dtb-qcom
cluster-md-kmp-64kb-debuginfo
kernel-64kb-extra-debuginfo
dtb-hisilicon
dtb-socionext
dtb-mediatek
dtb-apple
dtb-altera
kernel-64kb-livepatch-devel
dtb-allwinner
kernel-64kb-extra
reiserfs-kmp-64kb-debuginfo
dlm-kmp-64kb-debuginfo
gfs2-kmp-64kb
dtb-nvidia
dlm-kmp-64kb
dtb-renesas
ocfs2-kmp-64kb-debuginfo
reiserfs-kmp-64kb
kernel-64kb-optional-debuginfo
dtb-marvell
dtb-arm
dtb-exynos
dtb-amd
kernel-default-base-rebuild
kernel-docs-html
linux-image-generic-lpae (Ubuntu package)
linux-image-virtual-hwe-24.04 (Ubuntu package)
linux-image-generic-hwe-24.04 (Ubuntu package)
linux-image-generic-64k-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-kvm (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-lowlatency-64k-hwe-24.04 (Ubuntu package)
linux-image-lowlatency-hwe-24.04 (Ubuntu package)
linux-image-6.8.0-50-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-50-lowlatency (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-generic-hwe-22.04 (Ubuntu package)
linux-image-oem-22.04 (Ubuntu package)
linux-image-oem-22.04a (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-oem-22.04d (Ubuntu package)
linux-image-oem-22.04b (Ubuntu package)
linux-image-oem-22.04c (Ubuntu package)
linux-image-gkeop-6.8 (Ubuntu package)
linux-image-6.8.0-1002-gkeop (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-6.8.0-1015-gke (Ubuntu package)
linux-image-6.8.0-1016-raspi (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-6.8.0-1017-ibm (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-6.8.0-1017-oracle (Ubuntu package)
linux-image-6.8.0-1017-oracle-64k (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 (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-64k (Ubuntu package)
linux-image-6.8.0-1019-nvidia-lowlatency-64k (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-1019-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-64k-6.8 (Ubuntu package)
linux-image-nvidia-6.8 (Ubuntu package)
linux-image-6.8.0-1020-aws (Ubuntu package)
linux-image-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)
Red Hat OpenShift Dev Spaces

Detailed vulnerability description

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

The vulnerability exists due to improper locking within the pmdp_get_lockless() function in mm/userfaultfd.c. A local user can perform a denial of service (DoS) attack.

How to mitigate CVE-2024-46787

Install update from vendor's website.

Improper locking in Linux kernel - CVE-2024-46787

Detailed vulnerability description

How to mitigate CVE-2024-46787

Sources

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