Main Vulnerability Database Vulnerabilities #VU91535

Improper locking in Linux kernel - CVE-2024-26644

Published: June 8, 2024 / Updated: May 13, 2025

Vulnerability identifier: #VU91535

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-2024-26644

CWE-ID: CWE-667

Exploitation vector: Local access

Exploit availability: No public exploit available

Affected software:
Linux kernel
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
Debian Linux
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Micro
openSUSE Leap Micro
SUSE Linux Enterprise Live Patching
Slackware Linux
Basesystem Module
Legacy Module
Development Tools Module
Public Cloud Module
SUSE Real Time Module
openSUSE Leap
openEuler
Ubuntu
SmartFabric Storage Software
kgraft-patch-4_12_14-122_247-default
kernel-livepatch-SLE15-SP5_Update_17-debugsource
kernel-livepatch-5_14_21-150500_13_61-rt
kernel-livepatch-5_14_21-150500_13_61-rt-debuginfo
kernel-livepatch-SLE15-SP5-RT_Update_17-debugsource
kernel-livepatch-5_14_21-150500_55_73-default-debuginfo
kernel-livepatch-5_14_21-150500_55_73-default
cluster-md-kmp-default
kernel-default
kernel-default-devel-debuginfo
kernel-default-man
kernel-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default-debuginfo
kernel-default-base
kernel-default-devel
kernel-syms
ocfs2-kmp-default
kernel-default-base-debuginfo
gfs2-kmp-default-debuginfo
gfs2-kmp-default
kernel-macros
kernel-default-debugsource
kernel-default-kgraft-devel
kernel-default-kgraft
ocfs2-kmp-default-debuginfo
dlm-kmp-default-debuginfo
kernel-source
kernel-devel
kernel-debuginfo
kernel
python3-perf
perf-debuginfo
python3-perf-debuginfo
kernel-tools
kernel-tools-devel
python2-perf
bpftool-debuginfo
kernel-tools-debuginfo
kernel-debugsource
python2-perf-debuginfo
perf
bpftool
kernel-headers
linux (Debian package)
kernel-rt_debug-livepatch-devel
kernel-rt-livepatch
gfs2-kmp-rt-debuginfo
kernel-rt-extra-debuginfo
kernel-syms-rt
kernel-rt-vdso
kernel-rt-vdso-debuginfo
kernel-rt-debugsource
kernel-rt_debug-debugsource
kernel-rt
ocfs2-kmp-rt
kernel-rt_debug-debuginfo
kernel-rt-livepatch-devel
kernel-rt-extra
kernel-rt-devel
cluster-md-kmp-rt-debuginfo
gfs2-kmp-rt
kernel-rt_debug
dlm-kmp-rt-debuginfo
kernel-devel-rt
kernel-source-rt
kselftests-kmp-rt-debuginfo
reiserfs-kmp-rt-debuginfo
cluster-md-kmp-rt
kernel-rt_debug-devel-debuginfo
kernel-rt-devel-debuginfo
kernel-rt_debug-vdso
kselftests-kmp-rt
dlm-kmp-rt
kernel-rt-optional-debuginfo
kernel-rt-debuginfo
kernel-rt-optional
reiserfs-kmp-rt
kernel-rt_debug-vdso-debuginfo
kernel-rt_debug-devel
ocfs2-kmp-rt-debuginfo
kernel-azure
kernel-source-azure
ocfs2-kmp-azure-debuginfo
ocfs2-kmp-azure
kernel-azure-extra-debuginfo
kselftests-kmp-azure-debuginfo
dlm-kmp-azure-debuginfo
reiserfs-kmp-azure
cluster-md-kmp-azure-debuginfo
kernel-azure-optional
reiserfs-kmp-azure-debuginfo
kernel-azure-livepatch-devel
kselftests-kmp-azure
gfs2-kmp-azure-debuginfo
kernel-azure-extra
kernel-azure-optional-debuginfo
gfs2-kmp-azure
kernel-syms-azure
kernel-devel-azure
dlm-kmp-azure
kernel-azure-devel
kernel-azure-debugsource
kernel-azure-devel-debuginfo
kernel-azure-vdso
kernel-azure-vdso-debuginfo
cluster-md-kmp-azure
kernel-azure-debuginfo
kernel-debug-livepatch-devel
kernel-default-optional-debuginfo
kernel-default-livepatch-devel
kselftests-kmp-default-debuginfo
kernel-default-optional
dtb-renesas
kernel-obs-qa
kernel-debug-vdso
kernel-debug-debuginfo
kernel-debug-debugsource
kernel-debug-devel
kernel-debug-devel-debuginfo
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-default-vdso
kernel-default-vdso-debuginfo
kernel-debug-vdso-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel
kernel-kvmsmall-livepatch-devel
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kselftests-kmp-default
dtb-aarch64
dlm-kmp-64kb
reiserfs-kmp-64kb-debuginfo
kernel-64kb-debuginfo
kselftests-kmp-64kb
kernel-64kb-devel
kernel-64kb-livepatch-devel
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
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
kernel-kvmsmall
kernel-obs-build-debugsource
kernel-default-livepatch
kernel-obs-build
reiserfs-kmp-default
kernel-default-extra-debuginfo
reiserfs-kmp-default-debuginfo
kernel-default-extra
dtb-hisilicon
dtb-arm
dtb-mediatek
dtb-altera
dtb-broadcom
dtb-qcom
kernel-64kb-optional
kselftests-kmp-64kb-debuginfo
dtb-amazon
dtb-sprd
kernel-source-vanilla
dtb-marvell
gfs2-kmp-64kb-debuginfo
kernel-64kb-devel-debuginfo
dlm-kmp-64kb-debuginfo
dtb-exynos
dtb-freescale
ocfs2-kmp-64kb-debuginfo
kernel-64kb
kernel-debug
dtb-amlogic
dtb-rockchip
ocfs2-kmp-64kb
reiserfs-kmp-64kb
cluster-md-kmp-64kb-debuginfo
dtb-nvidia
dtb-socionext
dtb-cavium
dtb-apm
dtb-apple
dtb-amd
kernel-default-base-rebuild
kernel-docs-html
kernel-docs
linux-image-lowlatency (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-generic-64k-hwe-20.04 (Ubuntu package)
linux-image-5.15.0-106-generic (Ubuntu package)
linux-image-5.15.0-106-generic-64k (Ubuntu package)
linux-image-5.15.0-106-generic-lpae (Ubuntu package)
linux-image-5.15.0-106-lowlatency (Ubuntu package)
linux-image-5.15.0-106-lowlatency-64k (Ubuntu package)
linux-image-lowlatency-64k-hwe-20.04 (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-generic-hwe-20.04 (Ubuntu package)
linux-image-generic-lpae-hwe-20.04 (Ubuntu package)
linux-image-oem-20.04 (Ubuntu package)
linux-image-gkeop-5.15 (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-5.15.0-1044-gkeop (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-5.15.0-1054-nvidia (Ubuntu package)
linux-image-5.15.0-1054-nvidia-lowlatency (Ubuntu package)
linux-image-5.15.0-1054-raspi (Ubuntu package)
linux-image-5.15.0-1054-ibm (Ubuntu package)
linux-image-5.15.0-1057-intel-iotg (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-gke-5.15 (Ubuntu package)
linux-image-5.15.0-1058-kvm (Ubuntu package)
linux-image-5.15.0-1058-gke (Ubuntu package)
linux-image-oracle-lts-22.04 (Ubuntu package)
linux-image-gcp-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1059-oracle (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-5.15.0-1059-gcp (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-aws-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1061-aws (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-azure-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1063-azure-fde (Ubuntu package)
linux-image-azure-cvm (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-5.15.0-1063-azure (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-azure-fde-lts-22.04 (Ubuntu package)
linux-5.15.160/kernel-generic
linux-5.15.160/kernel-huge
linux-5.15.160/kernel-modules
linux-5.15.160/kernel-headers
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-6.5.0-41-generic-64k (Ubuntu package)
linux-image-6.5.0-41-generic (Ubuntu package)
linux-image-6.5.0-1017-laptop (Ubuntu package)
linux-image-laptop-23.10 (Ubuntu package)
linux-image-6.5.0-1021-nvidia-64k (Ubuntu package)
linux-image-6.5.0-1021-nvidia (Ubuntu package)
linux-image-nvidia-6.5 (Ubuntu package)
linux-image-nvidia-64k-6.5 (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-6.5.0-1022-oem (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-intel-iotg (Ubuntu package)
Dell Secure Connect Gateway

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 create_snapshot() function in fs/btrfs/ioctl.c. A local user can perform a denial of service (DoS) attack.

How to mitigate CVE-2024-26644

Install update from vendor's website.

Improper locking in Linux kernel - CVE-2024-26644

Detailed vulnerability description

How to mitigate CVE-2024-26644

Sources

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