Improper locking in Linux kernel - CVE-2023-54067

Vulnerability identifier: #VU120497

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-2023-54067

CWE-ID: CWE-667

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 improper locking within the btrfs_delete_free_space_tree() function in fs/btrfs/free-space-tree.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Live Patching
Legacy Module
Development Tools Module
Basesystem Module
Public Cloud Module
SUSE Real Time Module
openSUSE Leap
kgraft-patch-4_12_14-122_293-default
kernel-livepatch-6_4_0-150600_23_84-default
kernel-livepatch-SLE15-SP6_Update_19-debugsource
kernel-livepatch-6_4_0-150600_23_84-default-debuginfo
kernel-livepatch-6_4_0-150700_7_28-rt
kernel-livepatch-SLE15-SP7-RT_Update_8-debugsource
kernel-livepatch-6_4_0-150700_7_28-rt-debuginfo
kernel-livepatch-6_4_0-150700_53_28-default
kernel-livepatch-SLE15-SP7_Update_8-debugsource
kernel-livepatch-6_4_0-150700_53_28-default-debuginfo
kernel-default-base-debuginfo
kernel-default-devel-debuginfo
kernel-default
kernel-default-kgraft-devel
kernel-default-debugsource
kernel-default-debuginfo
kernel-default-kgraft
kernel-default-man
cluster-md-kmp-default-debuginfo
kernel-macros
gfs2-kmp-default
dlm-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default
kernel-default-base
ocfs2-kmp-default-debuginfo
ocfs2-kmp-default
kernel-default-devel
kernel-syms
gfs2-kmp-default-debuginfo
kernel-source
kernel-devel
ocfs2-kmp-64kb
kselftests-kmp-64kb-debuginfo
dtb-apm
kernel-64kb-extra
kernel-64kb-debugsource
cluster-md-kmp-64kb
dtb-broadcom
dtb-lg
reiserfs-kmp-64kb-debuginfo
kselftests-kmp-64kb
kernel-64kb-devel
dtb-mediatek
dtb-arm
reiserfs-kmp-64kb
dtb-socionext
cluster-md-kmp-64kb-debuginfo
dtb-nvidia
dtb-marvell
dtb-amazon
dtb-altera
dtb-exynos
dtb-amlogic
dtb-aarch64
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
dtb-sprd
kernel-docs
kernel-docs-html
kernel-64kb
dtb-renesas
dtb-qcom
dtb-amd
dlm-kmp-64kb
kernel-64kb-debuginfo
kernel-64kb-extra-debuginfo
dtb-xilinx
kernel-64kb-devel-debuginfo
kernel-64kb-optional
kernel-debug
gfs2-kmp-64kb
dtb-hisilicon
dtb-allwinner
dtb-rockchip
dtb-freescale
dtb-cavium
ocfs2-kmp-64kb-debuginfo
kernel-64kb-optional-debuginfo
gfs2-kmp-64kb-debuginfo
dlm-kmp-64kb-debuginfo
dtb-apple
kernel-debug-vdso
kselftests-kmp-default
kernel-obs-build-debugsource
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall
kernel-debug-vdso-debuginfo
kernel-default-vdso
kernel-default-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-debug-devel-debuginfo
kernel-debug-debugsource
kernel-debug-debuginfo
kernel-zfcpdump
kernel-debug-devel
kernel-default-livepatch-devel
kernel-source-vanilla
reiserfs-kmp-default-debuginfo
kernel-default-livepatch
kernel-obs-qa
kernel-default-optional-debuginfo
kernel-default-optional
reiserfs-kmp-default
kernel-default-extra
kernel-obs-build
kernel-default-extra-debuginfo
kselftests-kmp-default-debuginfo
kernel-default-base-rebuild
kernel-rt
kernel-source-rt
kernel-devel-rt
dlm-kmp-rt
kernel-rt-devel-debuginfo
kernel-rt-debugsource
gfs2-kmp-rt-debuginfo
gfs2-kmp-rt
cluster-md-kmp-rt
dlm-kmp-rt-debuginfo
ocfs2-kmp-rt-debuginfo
kernel-rt-debuginfo
kernel-rt-devel
ocfs2-kmp-rt
cluster-md-kmp-rt-debuginfo
kernel-syms-rt
kernel-azure-debuginfo
kernel-azure-debugsource
kernel-devel-azure
kernel-source-azure
kernel-azure-devel
kernel-azure-devel-debuginfo
kernel-syms-azure
kernel-azure

Install update from vendor's repository.

Linux kernel - addressed in versions 6.1.39, 6.4.4, 6.5
kgraft-patch-4_12_14-122_293-default - update to 1-8.3.1
kernel-livepatch-6_4_0-150600_23_84-default - update to 1-150600.13.3.1
kernel-livepatch-SLE15-SP6_Update_19-debugsource - update to 1-150600.13.3.1
kernel-livepatch-6_4_0-150600_23_84-default-debuginfo - update to 1-150600.13.3.1
kernel-livepatch-6_4_0-150700_7_28-rt - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7-RT_Update_8-debugsource - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_7_28-rt-debuginfo - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_53_28-default - update to 1-150700.15.3.1
kernel-livepatch-SLE15-SP7_Update_8-debugsource - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_28-default-debuginfo - update to 1-150700.15.3.1
kernel-default-base-debuginfo - update to 4.12.14-122.293.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-kgraft-devel - update to 4.12.14-122.293.1
kernel-default-debugsource - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-kgraft - update to 4.12.14-122.293.1
kernel-default-man - update to 4.12.14-122.293.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-macros - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
gfs2-kmp-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
dlm-kmp-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-base - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1.150600.12.38.1, 6.4.0-150700.53.28.1.150700.17.19.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-devel - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-syms - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-source - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-devel - addressed in versions 4.12.14-122.293.1, 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
ocfs2-kmp-64kb - update to 6.4.0-150600.23.84.1
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
dtb-apm - update to 6.4.0-150600.23.84.1
kernel-64kb-extra - update to 6.4.0-150600.23.84.1
kernel-64kb-debugsource - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
cluster-md-kmp-64kb - update to 6.4.0-150600.23.84.1
dtb-broadcom - update to 6.4.0-150600.23.84.1
dtb-lg - update to 6.4.0-150600.23.84.1
reiserfs-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
kselftests-kmp-64kb - update to 6.4.0-150600.23.84.1
kernel-64kb-devel - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
dtb-mediatek - update to 6.4.0-150600.23.84.1
dtb-arm - update to 6.4.0-150600.23.84.1
reiserfs-kmp-64kb - update to 6.4.0-150600.23.84.1
dtb-socionext - update to 6.4.0-150600.23.84.1
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
dtb-nvidia - update to 6.4.0-150600.23.84.1
dtb-marvell - update to 6.4.0-150600.23.84.1
dtb-amazon - update to 6.4.0-150600.23.84.1
dtb-altera - update to 6.4.0-150600.23.84.1
dtb-exynos - update to 6.4.0-150600.23.84.1
dtb-amlogic - update to 6.4.0-150600.23.84.1
dtb-aarch64 - update to 6.4.0-150600.23.84.1
kernel-zfcpdump-debugsource - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-zfcpdump-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
dtb-sprd - update to 6.4.0-150600.23.84.1
kernel-docs - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-docs-html - update to 6.4.0-150600.23.84.1
kernel-64kb - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
dtb-renesas - update to 6.4.0-150600.23.84.1
dtb-qcom - update to 6.4.0-150600.23.84.1
dtb-amd - update to 6.4.0-150600.23.84.1
dlm-kmp-64kb - update to 6.4.0-150600.23.84.1
kernel-64kb-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-64kb-extra-debuginfo - update to 6.4.0-150600.23.84.1
dtb-xilinx - update to 6.4.0-150600.23.84.1
kernel-64kb-devel-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-64kb-optional - update to 6.4.0-150600.23.84.1
kernel-debug - update to 6.4.0-150600.23.84.1
gfs2-kmp-64kb - update to 6.4.0-150600.23.84.1
dtb-hisilicon - update to 6.4.0-150600.23.84.1
dtb-allwinner - update to 6.4.0-150600.23.84.1
dtb-rockchip - update to 6.4.0-150600.23.84.1
dtb-freescale - update to 6.4.0-150600.23.84.1
dtb-cavium - update to 6.4.0-150600.23.84.1
ocfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
kernel-64kb-optional-debuginfo - update to 6.4.0-150600.23.84.1
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.84.1
dtb-apple - update to 6.4.0-150600.23.84.1
kernel-debug-vdso - update to 6.4.0-150600.23.84.1
kselftests-kmp-default - update to 6.4.0-150600.23.84.1
kernel-obs-build-debugsource - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-kvmsmall-debugsource - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-debuginfo - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-devel - update to 6.4.0-150600.23.84.1
kernel-kvmsmall - update to 6.4.0-150600.23.84.1
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.84.1
kernel-default-vdso - update to 6.4.0-150600.23.84.1
kernel-default-vdso-debuginfo - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.84.1
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.84.1
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.84.1
kernel-debug-debugsource - update to 6.4.0-150600.23.84.1
kernel-debug-debuginfo - update to 6.4.0-150600.23.84.1
kernel-zfcpdump - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-debug-devel - update to 6.4.0-150600.23.84.1
kernel-default-livepatch-devel - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-source-vanilla - update to 6.4.0-150600.23.84.1
reiserfs-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-livepatch - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-obs-qa - update to 6.4.0-150600.23.84.1
kernel-default-optional-debuginfo - update to 6.4.0-150600.23.84.1
kernel-default-optional - update to 6.4.0-150600.23.84.1
reiserfs-kmp-default - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-extra - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-obs-build - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kernel-default-extra-debuginfo - addressed in versions 6.4.0-150600.23.84.1, 6.4.0-150700.53.28.1
kselftests-kmp-default-debuginfo - update to 6.4.0-150600.23.84.1
kernel-default-base-rebuild - update to 6.4.0-150600.23.84.1.150600.12.38.1
kernel-rt - update to 6.4.0-150700.7.28.1
kernel-source-rt - update to 6.4.0-150700.7.28.1
kernel-devel-rt - update to 6.4.0-150700.7.28.1
dlm-kmp-rt - update to 6.4.0-150700.7.28.1
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.28.1
kernel-rt-debugsource - update to 6.4.0-150700.7.28.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.28.1
gfs2-kmp-rt - update to 6.4.0-150700.7.28.1
cluster-md-kmp-rt - update to 6.4.0-150700.7.28.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.28.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.28.1
kernel-rt-debuginfo - update to 6.4.0-150700.7.28.1
kernel-rt-devel - update to 6.4.0-150700.7.28.1
ocfs2-kmp-rt - update to 6.4.0-150700.7.28.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.28.1
kernel-syms-rt - update to 6.4.0-150700.7.28.1
kernel-azure-debuginfo - update to 6.4.0-150700.20.24.1
kernel-azure-debugsource - update to 6.4.0-150700.20.24.1
kernel-devel-azure - update to 6.4.0-150700.20.24.1
kernel-source-azure - update to 6.4.0-150700.20.24.1
kernel-azure-devel - update to 6.4.0-150700.20.24.1
kernel-azure-devel-debuginfo - update to 6.4.0-150700.20.24.1
kernel-syms-azure - update to 6.4.0-150700.20.24.1
kernel-azure - update to 6.4.0-150700.20.24.1

• https://git.kernel.org/stable/c/6f1c81886b0b56cb88b311e5d2f203625474d892
• https://git.kernel.org/stable/c/8ce9139aea5e60a247bde5af804312f54975f443
• https://git.kernel.org/stable/c/babebf023e661b90b1c78b2baa384fb03a226879
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.39
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.4
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5

• Improper locking in Linux kernel btrfs
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel