Resource management error in Linux kernel - CVE-2026-23214

Vulnerability identifier: #VU123058

CSH Severity: Low

CVSS v4: 6.8 [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]

CVE-ID: CVE-2026-23214

CWE-ID: CWE-399

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to resource management error within the fs/btrfs/fs.h. A local user can perform a denial of service (DoS) attack.

Linux kernel
Debian Linux
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Live Patching
Public Cloud Module
Legacy Module
Development Tools Module
Basesystem Module
SUSE Real Time Module
openSUSE Leap
Ubuntu
openEuler
kernel-livepatch-6_4_0-150600_23_92-default-debuginfo
kernel-livepatch-SLE15-SP6_Update_21-debugsource
kernel-livepatch-6_4_0-150600_23_92-default
kernel-livepatch-SLE15-SP7-RT_Update_10-debugsource
kernel-livepatch-6_4_0-150700_7_34-rt
kernel-livepatch-6_4_0-150700_7_34-rt-debuginfo
kernel-livepatch-6_4_0-150700_53_34-default
kernel-livepatch-SLE15-SP7_Update_10-debugsource
kernel-livepatch-6_4_0-150700_53_34-default-debuginfo
dtb-apm
dtb-sprd
dtb-rockchip
dtb-socionext
dlm-kmp-64kb-debuginfo
dtb-apple
gfs2-kmp-64kb
kselftests-kmp-64kb
reiserfs-kmp-64kb
dtb-mediatek
dtb-cavium
dtb-amlogic
reiserfs-kmp-64kb-debuginfo
ocfs2-kmp-default
dtb-amd
dtb-amazon
dtb-aarch64
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-kvmsmall
kernel-default
kselftests-kmp-default
gfs2-kmp-default
kernel-default-optional-debuginfo
ocfs2-kmp-default-debuginfo
kernel-default-extra-debuginfo
cluster-md-kmp-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
kernel-64kb
dtb-xilinx
dtb-allwinner
dtb-lg
ocfs2-kmp-64kb-debuginfo
dlm-kmp-64kb
dtb-nvidia
ocfs2-kmp-64kb
kernel-64kb-optional-debuginfo
dtb-marvell
dtb-altera
dtb-broadcom
dtb-exynos
kernel-64kb-optional
dtb-qcom
dtb-freescale
kselftests-kmp-64kb-debuginfo
kernel-64kb-extra-debuginfo
kernel-64kb-devel-debuginfo
kernel-64kb-extra
cluster-md-kmp-64kb
kernel-64kb-debugsource
dtb-hisilicon
kernel-64kb-devel
dtb-renesas
kernel-64kb-debuginfo
dtb-arm
kernel-debug-devel-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel-debuginfo
kernel-debug-vdso
kernel-kvmsmall-vdso
kernel-debug-vdso-debuginfo
kernel-default-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-default-vdso-debuginfo
kernel-debug-devel
kernel-debug-debugsource
kernel-obs-qa
kernel-debug-debuginfo
kernel-debug
kernel-devel
kernel-macros
kernel-source
kernel-source-vanilla
kernel-docs-html
kernel-docs
kernel-default-livepatch-devel
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-kvmsmall-debuginfo
kselftests-kmp-default-debuginfo
kernel-default-optional
dlm-kmp-default
kernel-syms
kernel-default-debugsource
kernel-default-devel-debuginfo
kernel-default-devel
dlm-kmp-default-debuginfo
cluster-md-kmp-default
cluster-md-kmp-default-debuginfo
kernel-kvmsmall-devel
gfs2-kmp-default-debuginfo
kernel-default-extra
kernel-default-livepatch
kernel-obs-build
kernel-default-debuginfo
kernel-obs-build-debugsource
kernel-default-base
kernel-default-base-rebuild
kernel-rt-debugsource
kernel-syms-rt
gfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-rt-devel-debuginfo
kernel-rt-devel
ocfs2-kmp-rt
gfs2-kmp-rt-debuginfo
dlm-kmp-rt-debuginfo
kernel-rt-debuginfo
cluster-md-kmp-rt
kernel-rt
kernel-source-rt
kernel-devel-rt
cluster-md-kmp-rt-debuginfo
dlm-kmp-rt
kernel-azure
kernel-azure-debugsource
kernel-azure-debuginfo
kernel-azure-devel
kernel-azure-devel-debuginfo
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-headers
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python3-perf
python3-perf-debuginfo
kernel-extra-modules
linux-fips (Ubuntu package)
linux (Ubuntu package)
linux-nvidia-tegra (Ubuntu package)
linux-nvidia (Ubuntu package)
linux-nvidia-6.8 (Ubuntu package)
linux-azure (Ubuntu package)
linux (Debian package)

Install update from vendor's repository.

kernel-livepatch-6_4_0-150600_23_92-default-debuginfo - update to 1-150600.13.5.1
kernel-livepatch-SLE15-SP6_Update_21-debugsource - update to 1-150600.13.5.1
kernel-livepatch-6_4_0-150600_23_92-default - update to 1-150600.13.5.1
kernel-livepatch-SLE15-SP7-RT_Update_10-debugsource - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_7_34-rt - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_7_34-rt-debuginfo - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_53_34-default - update to 1-150700.15.3.1
kernel-livepatch-SLE15-SP7_Update_10-debugsource - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_34-default-debuginfo - update to 1-150700.15.3.1
dtb-apm - update to 6.4.0-150600.23.92.1
dtb-sprd - update to 6.4.0-150600.23.92.1
dtb-rockchip - update to 6.4.0-150600.23.92.1
dtb-socionext - update to 6.4.0-150600.23.92.1
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.92.1
dtb-apple - update to 6.4.0-150600.23.92.1
gfs2-kmp-64kb - update to 6.4.0-150600.23.92.1
kselftests-kmp-64kb - update to 6.4.0-150600.23.92.1
reiserfs-kmp-64kb - update to 6.4.0-150600.23.92.1
dtb-mediatek - update to 6.4.0-150600.23.92.1
dtb-cavium - update to 6.4.0-150600.23.92.1
dtb-amlogic - update to 6.4.0-150600.23.92.1
reiserfs-kmp-64kb-debuginfo - update to 6.4.0-150600.23.92.1
ocfs2-kmp-default - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
dtb-amd - update to 6.4.0-150600.23.92.1
dtb-amazon - update to 6.4.0-150600.23.92.1
dtb-aarch64 - update to 6.4.0-150600.23.92.1
kernel-zfcpdump-debugsource - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-zfcpdump-debuginfo - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-zfcpdump - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-kvmsmall - update to 6.4.0-150600.23.92.1
kernel-default - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kselftests-kmp-default - update to 6.4.0-150600.23.92.1
gfs2-kmp-default - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-default-optional-debuginfo - update to 6.4.0-150600.23.92.1
ocfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-default-extra-debuginfo - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.92.1
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.92.1
kernel-64kb - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
dtb-xilinx - update to 6.4.0-150600.23.92.1
dtb-allwinner - update to 6.4.0-150600.23.92.1
dtb-lg - update to 6.4.0-150600.23.92.1
ocfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.92.1
dlm-kmp-64kb - update to 6.4.0-150600.23.92.1
dtb-nvidia - update to 6.4.0-150600.23.92.1
ocfs2-kmp-64kb - update to 6.4.0-150600.23.92.1
kernel-64kb-optional-debuginfo - update to 6.4.0-150600.23.92.1
dtb-marvell - update to 6.4.0-150600.23.92.1
dtb-altera - update to 6.4.0-150600.23.92.1
dtb-broadcom - update to 6.4.0-150600.23.92.1
dtb-exynos - update to 6.4.0-150600.23.92.1
kernel-64kb-optional - update to 6.4.0-150600.23.92.1
dtb-qcom - update to 6.4.0-150600.23.92.1
dtb-freescale - update to 6.4.0-150600.23.92.1
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.92.1
kernel-64kb-extra-debuginfo - update to 6.4.0-150600.23.92.1
kernel-64kb-devel-debuginfo - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-64kb-extra - update to 6.4.0-150600.23.92.1
cluster-md-kmp-64kb - update to 6.4.0-150600.23.92.1
kernel-64kb-debugsource - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
dtb-hisilicon - update to 6.4.0-150600.23.92.1
kernel-64kb-devel - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
dtb-renesas - update to 6.4.0-150600.23.92.1
kernel-64kb-debuginfo - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
dtb-arm - update to 6.4.0-150600.23.92.1
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.92.1
kernel-kvmsmall-debugsource - update to 6.4.0-150600.23.92.1
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.92.1
kernel-debug-vdso - update to 6.4.0-150600.23.92.1
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.92.1
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.92.1
kernel-default-vdso - update to 6.4.0-150600.23.92.1
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.92.1
kernel-default-vdso-debuginfo - update to 6.4.0-150600.23.92.1
kernel-debug-devel - update to 6.4.0-150600.23.92.1
kernel-debug-debugsource - update to 6.4.0-150600.23.92.1
kernel-obs-qa - update to 6.4.0-150600.23.92.1
kernel-debug-debuginfo - update to 6.4.0-150600.23.92.1
kernel-debug - update to 6.4.0-150600.23.92.1
kernel-devel - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-macros - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-source - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-source-vanilla - update to 6.4.0-150600.23.92.1
kernel-docs-html - update to 6.4.0-150600.23.92.1
kernel-docs - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-default-livepatch-devel - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
reiserfs-kmp-default - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
reiserfs-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-kvmsmall-debuginfo - update to 6.4.0-150600.23.92.1
kselftests-kmp-default-debuginfo - update to 6.4.0-150600.23.92.1
kernel-default-optional - update to 6.4.0-150600.23.92.1
dlm-kmp-default - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-syms - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-default-debugsource - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-default-devel-debuginfo - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-default-devel - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
dlm-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
cluster-md-kmp-default - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
cluster-md-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-kvmsmall-devel - update to 6.4.0-150600.23.92.1
gfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-default-extra - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-default-livepatch - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-obs-build - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-default-debuginfo - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-obs-build-debugsource - addressed in versions 6.4.0-150600.23.92.1, 6.4.0-150700.53.34.1
kernel-default-base - addressed in versions 6.4.0-150600.23.92.1.150600.12.42.2, 6.4.0-150700.53.34.1.150700.17.23.1
kernel-default-base-rebuild - update to 6.4.0-150600.23.92.1.150600.12.42.2
kernel-rt-debugsource - update to 6.4.0-150700.7.34.1
kernel-syms-rt - update to 6.4.0-150700.7.34.1
gfs2-kmp-rt - update to 6.4.0-150700.7.34.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.34.1
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.34.1
kernel-rt-devel - update to 6.4.0-150700.7.34.1
ocfs2-kmp-rt - update to 6.4.0-150700.7.34.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.34.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.34.1
kernel-rt-debuginfo - update to 6.4.0-150700.7.34.1
cluster-md-kmp-rt - update to 6.4.0-150700.7.34.1
kernel-rt - update to 6.4.0-150700.7.34.1
kernel-source-rt - update to 6.4.0-150700.7.34.1
kernel-devel-rt - update to 6.4.0-150700.7.34.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.34.1
dlm-kmp-rt - update to 6.4.0-150700.7.34.1
kernel-azure - update to 6.4.0-150700.53.34.1
kernel-azure-debugsource - update to 6.4.0-150700.53.34.1
kernel-azure-debuginfo - update to 6.4.0-150700.53.34.1
kernel-azure-devel - update to 6.4.0-150700.53.34.1
kernel-azure-devel-debuginfo - update to 6.4.0-150700.53.34.1
kernel - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
bpftool - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
bpftool-debuginfo - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
kernel-debuginfo - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
kernel-debugsource - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
kernel-devel - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
kernel-headers - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
kernel-source - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
kernel-tools - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
kernel-tools-debuginfo - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
kernel-tools-devel - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
perf - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
perf-debuginfo - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
python3-perf - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
python3-perf-debuginfo - addressed in versions 6.6.0-145.1.19.156, 6.6.0-145.3.15.146
kernel-extra-modules - update to 6.6.0-145.3.15.146
linux-fips (Ubuntu package) - update to 6.8.0-116.116+fips1
linux (Ubuntu package) - addressed in versions 6.8.0-117.117, 6.8.0-117.117.1, 6.8.0-117.117.1~22.04.1, 6.8.0-1041.44, 6.8.0-1054.60, 6.8.0-1055.56, 6.8.0-1055.56~22.04.1, 6.8.0-1055.58+fips1, 6.8.0-1056.60, 6.8.0-1058.61, 6.8.0-1058.61+fips1, 6.8.0-2045.46, 6.8.1-1051.52, 6.8.1-1051.52~22.04.1
linux-nvidia-tegra (Ubuntu package) - update to 6.8.0-1024.24
linux-nvidia (Ubuntu package) - addressed in versions 6.8.0-1054.57, 6.8.0-1054.57.1
linux-nvidia-6.8 (Ubuntu package) - update to 6.8.0-1054.57~22.04.1
linux-azure (Ubuntu package) - update to 6.8.0-1056.62
linux (Debian package) - update to 6.12.73-1

• https://git.kernel.org/stable/c/1972f44c189c8aacde308fa9284e474c1a5cbd9f
• https://git.kernel.org/stable/c/3228b2eceb6c3d7e237f8a5330113dbd164fb90d
• https://git.kernel.org/stable/c/a928eecf030a9a5dc5f5ca98332699f379b91963

• Resource management error in Linux kernel btrfs
• Debian update for linux
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• Ubuntu update for linux
• Ubuntu update for linux-nvidia
• Ubuntu update for linux-fips
• Ubuntu update for linux-nvidia-tegra
• Ubuntu update for linux-nvidia-6.8
• Ubuntu update for linux-azure
• openEuler 24.03 LTS SP3 update for kernel
• openEuler 24.03 LTS SP1 update for kernel