Main Vulnerability Database Vulnerabilities #VU93033

Improper locking in Linux kernel - CVE-2024-38662

Published: June 21, 2024 / Updated: May 13, 2025

Vulnerability identifier: #VU93033

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-2024-38662

CWE-ID: CWE-667

Exploitation vector: Local access

Exploit availability: No public exploit available

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 Performance Computing 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Real Time 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Micro
openSUSE Leap Micro
SUSE Linux Enterprise Workstation Extension 12
SUSE Linux Enterprise Live Patching
Basesystem Module
SUSE Real Time Module
Legacy Module
Development Tools Module
Public Cloud Module
openSUSE Leap
Ubuntu
openEuler
APEX Cloud Platform for Microsoft Azure
SmartFabric Storage Software
RecoverPoint for Virtual Machines
kgraft-patch-4_12_14-122_228-default
kernel-livepatch-5_14_21-150500_55_80-default
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-SP5_Update_19-debugsource
kernel-livepatch-5_14_21-150500_55_80-default-debuginfo
kernel-livepatch-SLE15-SP6-RT_Update_2-debugsource
kernel-livepatch-6_4_0-150600_10_8-rt
kernel-livepatch-6_4_0-150600_10_8-rt-debuginfo
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
gfs2-kmp-rt-debuginfo
kernel-rt-debuginfo
kernel-rt_debug-debuginfo
kernel-rt-base
cluster-md-kmp-rt
dlm-kmp-rt
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_debug
kernel-rt_debug-devel-debuginfo
gfs2-kmp-rt
kernel-rt-debugsource
cluster-md-kmp-rt-debuginfo
kernel-syms-rt
kernel-azure-devel
kernel-source-azure
kernel-devel-azure
kernel-azure-base-debuginfo
kernel-syms-azure
kernel-azure-debugsource
kernel-azure-debuginfo
kernel-azure-base
kernel-azure
kernel-default-kgraft
kernel-default-kgraft-devel
kernel-default-extra-debuginfo
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
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-default-devel
kernel-default-man
kernel-default-extra
kernel-obs-build-debugsource
kernel-docs
kernel-obs-build
kernel-tools-debuginfo
kernel-tools-devel
kernel-debuginfo
kernel-tools
python3-perf
kernel-debugsource
perf-debuginfo
perf
python3-perf-debuginfo
kernel-headers
kernel
linux (Debian package)
reiserfs-kmp-rt
kernel-rt-vdso-debuginfo
kernel-rt-extra-debuginfo
kselftests-kmp-rt
kernel-rt-livepatch-devel
kselftests-kmp-rt-debuginfo
kernel-rt_debug-vdso-debuginfo
kernel-rt_debug-vdso
kernel-rt-vdso
reiserfs-kmp-rt-debuginfo
kernel-rt-extra
kernel-rt-optional
kernel-rt-optional-debuginfo
kernel-rt_debug-livepatch-devel
kernel-rt-livepatch
cluster-md-kmp-azure
kernel-azure-livepatch-devel
kselftests-kmp-azure
reiserfs-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
kernel-azure-extra-debuginfo
reiserfs-kmp-azure
kernel-azure-optional
kernel-azure-devel-debuginfo
gfs2-kmp-azure-debuginfo
dlm-kmp-azure-debuginfo
kselftests-kmp-azure-debuginfo
ocfs2-kmp-azure
kernel-azure-optional-debuginfo
ocfs2-kmp-azure-debuginfo
gfs2-kmp-azure
kernel-azure-vdso
kernel-azure-vdso-debuginfo
dlm-kmp-azure
kernel-azure-extra
dtb-mediatek
dtb-amd
dtb-amazon
dtb-xilinx
dtb-cavium
dtb-arm
dtb-aarch64
dtb-marvell
dtb-altera
dtb-lg
dtb-exynos
dtb-rockchip
dtb-qcom
dtb-hisilicon
dtb-nvidia
dtb-apple
dtb-apm
dtb-amlogic
dtb-freescale
kernel-obs-qa
dtb-sprd
dtb-socionext
dtb-broadcom
dtb-allwinner
dtb-renesas
ocfs2-kmp-64kb-debuginfo
kernel-64kb-extra
kernel-default-vdso
gfs2-kmp-64kb-debuginfo
kernel-64kb-livepatch-devel
kernel-64kb
kernel-debug-vdso-debuginfo
kernel-default-vdso-debuginfo
kernel-kvmsmall-livepatch-devel
kernel-64kb-extra-debuginfo
dlm-kmp-64kb
kernel-64kb-devel
kernel-64kb-optional
reiserfs-kmp-64kb
kernel-docs-html
kernel-source-vanilla
cluster-md-kmp-64kb-debuginfo
kernel-debug
kernel-debug-devel
kernel-debug-livepatch-devel
kernel-debug-debugsource
kernel-debug-devel-debuginfo
kernel-debug-debuginfo
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-debug-vdso
kernel-default-optional-debuginfo
kselftests-kmp-default-debuginfo
kernel-kvmsmall-devel-debuginfo
reiserfs-kmp-default
kernel-kvmsmall-devel
kernel-kvmsmall
kernel-default-optional
dlm-kmp-64kb-debuginfo
reiserfs-kmp-64kb-debuginfo
cluster-md-kmp-64kb
kselftests-kmp-64kb-debuginfo
kselftests-kmp-64kb
kernel-64kb-devel-debuginfo
ocfs2-kmp-64kb
kernel-64kb-optional-debuginfo
kernel-64kb-debugsource
kernel-64kb-debuginfo
gfs2-kmp-64kb
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-default-livepatch
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
kernel-default-livepatch-devel
reiserfs-kmp-default-debuginfo
kselftests-kmp-default
kernel-default-base-rebuild
linux-image-lowlatency-64k (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-virtual (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-generic-lpae (Ubuntu package)
linux-image-5.15.0-121-lowlatency-64k (Ubuntu package)
linux-image-5.15.0-121-lowlatency (Ubuntu package)
linux-image-lowlatency-hwe-20.04 (Ubuntu package)
linux-image-virtual-hwe-20.04 (Ubuntu package)
linux-image-oem-20.04d (Ubuntu package)
linux-image-oem-20.04c (Ubuntu package)
linux-image-oem-20.04b (Ubuntu package)
linux-image-oem-20.04 (Ubuntu package)
linux-image-generic-lpae-hwe-20.04 (Ubuntu package)
linux-image-generic-hwe-20.04 (Ubuntu package)
linux-image-generic-64k-hwe-20.04 (Ubuntu package)
linux-image-lowlatency-64k-hwe-20.04 (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-gkeop-5.15 (Ubuntu package)
linux-image-5.15.0-1052-gkeop (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-5.15.0-1062-raspi (Ubuntu package)
linux-image-5.15.0-1062-ibm (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-5.15.0-1064-nvidia-lowlatency (Ubuntu package)
linux-image-5.15.0-1064-nvidia (Ubuntu package)
linux-image-5.15.0-1064-intel-iotg (Ubuntu package)
linux-image-kvm (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-oracle (Ubuntu package)
linux-image-gcp-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1068-gcp (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-aws-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1069-aws (Ubuntu package)
linux-image-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 (Ubuntu package)
linux-image-azure-cvm (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-azure-fde-lts-22.04 (Ubuntu package)
bpftool
bpftool-debuginfo
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-6.8.0-44-generic (Ubuntu package)
linux-image-6.8.0-44-generic-64k (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-6.8.0-45-generic-64k (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-oem-22.04b (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-6.8.0-1010-gke (Ubuntu package)
linux-image-6.8.0-1011-raspi (Ubuntu package)
linux-image-6.8.0-1012-oracle (Ubuntu package)
linux-image-6.8.0-1012-oracle-64k (Ubuntu package)
linux-image-6.8.0-1012-oem (Ubuntu package)
linux-image-6.8.0-1012-ibm (Ubuntu package)
linux-image-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 (Ubuntu package)
linux-image-6.8.0-1013-nvidia-64k (Ubuntu package)
linux-image-nvidia-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-1013-nvidia-lowlatency (Ubuntu package)
linux-image-6.8.0-1013-nvidia-lowlatency-64k (Ubuntu package)
linux-image-nvidia-64k-6.8 (Ubuntu package)
linux-image-nvidia-6.8 (Ubuntu package)
linux-image-6.8.0-1014-gcp (Ubuntu package)
linux-image-6.8.0-1014-azure-fde (Ubuntu package)
linux-image-6.8.0-1014-azure (Ubuntu package)
linux-image-6.8.0-1015-aws (Ubuntu package)
linux-image-intel-iotg (Ubuntu package)
linux-image-intel (Ubuntu package)

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 may_update_sockmap() and check_map_func_compatibility() functions in kernel/bpf/verifier.c. A local user can perform a denial of service (DoS) attack.

How to mitigate CVE-2024-38662

Install update from vendor's website.

Improper locking in Linux kernel - CVE-2024-38662

Detailed vulnerability description

How to mitigate CVE-2024-38662

Sources

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