Improper locking in Linux kernel - CVE-2022-49033

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Main Vulnerability Database Vulnerabilities #VU99009

Improper locking in Linux kernel - CVE-2022-49033

Published: October 22, 2024 / Updated: May 12, 2025


Vulnerability identifier: #VU99009
CSH Severity: Low
CVSS v4 BT: 4.3 [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-2022-49033
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to improper locking within the btrfs_qgroup_inherit() function in fs/btrfs/qgroup.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Live Patching
Ubuntu
openSUSE Leap
openEuler
kgraft-patch-4_12_14-122_244-default
kernel-livepatch-SLE15-SP5_Update_22-debugsource
kernel-livepatch-5_14_21-150500_55_91-default-debuginfo
kernel-livepatch-5_14_21-150500_55_91-default
linux (Ubuntu package)
dlm-kmp-default-debuginfo
kernel-macros
kernel-syms
ocfs2-kmp-default-debuginfo
kernel-default-base
gfs2-kmp-default-debuginfo
cluster-md-kmp-default
gfs2-kmp-default
dlm-kmp-default
kernel-default-debuginfo
ocfs2-kmp-default
cluster-md-kmp-default-debuginfo
kernel-default-devel
kernel-default-base-debuginfo
kernel-default-kgraft-devel
kernel-default-kgraft
kernel-default
kernel-default-debugsource
kernel-devel
kernel-default-devel-debuginfo
kernel-default-man
kernel-source
python3-perf-debuginfo
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
kernel-headers
reiserfs-kmp-rt-debuginfo
kernel-devel-rt
kselftests-kmp-rt
gfs2-kmp-rt
kernel-rt-optional-debuginfo
kernel-syms-rt
kernel-rt-vdso
kernel-rt-debugsource
cluster-md-kmp-rt
kernel-rt-optional
kernel-rt-extra
kernel-rt-livepatch
kernel-rt_debug-debuginfo
gfs2-kmp-rt-debuginfo
kernel-rt_debug-vdso
ocfs2-kmp-rt
kernel-source-rt
kernel-rt_debug-devel
dlm-kmp-rt-debuginfo
kernel-rt_debug
kernel-rt
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-vdso-debuginfo
kernel-rt-devel-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-devel
kernel-rt-debuginfo
kernel-rt_debug-debugsource
kernel-rt-livepatch-devel
ocfs2-kmp-rt-debuginfo
kselftests-kmp-rt-debuginfo
dlm-kmp-rt
kernel-rt-extra-debuginfo
kernel-rt_debug-devel-debuginfo
reiserfs-kmp-rt
reiserfs-kmp-default-debuginfo
kernel-obs-build
kernel-obs-build-debugsource
kernel-default-optional-debuginfo
kernel-obs-qa
kernel-docs
kernel-source-vanilla
kernel-docs-html
kernel-debug
kernel-debug-debuginfo
kernel-debug-devel-debuginfo
kernel-debug-debugsource
kernel-debug-devel
kernel-default-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-default-vdso
kernel-debug-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-debug-vdso-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
dtb-rockchip
reiserfs-kmp-default
kselftests-kmp-default
kernel-default-livepatch
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
kernel-64kb-devel-debuginfo
kernel-64kb-devel
kernel-64kb-debugsource
kernel-64kb-debuginfo
kernel-64kb
dtb-amd
dtb-amazon
dtb-hisilicon
dtb-broadcom
kselftests-kmp-64kb
cluster-md-kmp-64kb-debuginfo
dtb-mediatek
dtb-altera
dtb-renesas
gfs2-kmp-64kb-debuginfo
reiserfs-kmp-64kb
ocfs2-kmp-64kb-debuginfo
gfs2-kmp-64kb
dtb-qcom
dtb-cavium
kernel-64kb-optional-debuginfo
dtb-apm
reiserfs-kmp-64kb-debuginfo
dlm-kmp-64kb-debuginfo
kernel-64kb-extra-debuginfo
dlm-kmp-64kb
cluster-md-kmp-64kb
dtb-exynos
dtb-xilinx
dtb-freescale
dtb-sprd
dtb-lg
dtb-marvell
kernel-64kb-optional
kernel-default-extra
kselftests-kmp-default-debuginfo
kernel-default-extra-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-devel-debuginfo
kernel-default-livepatch-devel
kernel-kvmsmall
kernel-default-optional
dtb-arm
kernel-64kb-extra
kselftests-kmp-64kb-debuginfo
dtb-allwinner
dtb-socionext
ocfs2-kmp-64kb
dtb-amlogic
dtb-apple
dtb-nvidia
dtb-aarch64
kernel-default-base-rebuild

How to mitigate CVE-2022-49033

Install update from vendor's website.

Linux kernel - addressed in versions 4.9.335, 4.14.301, 4.19.268, 5.4.226, 5.10.158, 5.15.82, 6.0.12, 6.1
kgraft-patch-4_12_14-122_244-default - update to 1-8.5.1
kernel-livepatch-SLE15-SP5_Update_22-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_91-default-debuginfo - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_91-default - update to 1-150500.11.3.1
linux (Ubuntu package) - addressed in versions 4.4.0.280.286, 4.4.0-280.314, 4.4.0-280.314~14.04.1, 4.4.0.1154.151, 4.4.0-1154.160, 4.4.0.1155.152, 4.4.0-1155.166, 4.4.0.1192.196, 4.4.0-1192.207
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
kernel-macros - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
kernel-syms - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
kernel-default-base - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1.150500.6.41.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
gfs2-kmp-default - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
dlm-kmp-default - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
kernel-default-debuginfo - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
kernel-default-devel - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
kernel-default-base-debuginfo - update to 4.12.14-122.244.1
kernel-default-kgraft-devel - update to 4.12.14-122.244.1
kernel-default-kgraft - update to 4.12.14-122.244.1
kernel-default - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
kernel-default-debugsource - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
kernel-devel - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
kernel-default-man - update to 4.12.14-122.244.1
kernel-source - addressed in versions 4.12.14-122.244.1, 5.14.21-150500.55.91.1
python3-perf-debuginfo - addressed in versions 4.19.90-2411.1.0.0301, 5.10.0-136.99.0.180
kernel - addressed in versions 4.19.90-2411.1.0.0301, 5.10.0-136.99.0.180
bpftool - update to 4.19.90-2411.1.0.0301
bpftool-debuginfo - update to 4.19.90-2411.1.0.0301
kernel-debuginfo - addressed in versions 4.19.90-2411.1.0.0301, 5.10.0-136.99.0.180
kernel-debugsource - addressed in versions 4.19.90-2411.1.0.0301, 5.10.0-136.99.0.180
kernel-devel - addressed in versions 4.19.90-2411.1.0.0301, 5.10.0-136.99.0.180
kernel-source - addressed in versions 4.19.90-2411.1.0.0301, 5.10.0-136.99.0.180
kernel-tools - addressed in versions 4.19.90-2411.1.0.0301, 5.10.0-136.99.0.180
kernel-tools-debuginfo - addressed in versions 4.19.90-2411.1.0.0301, 5.10.0-136.99.0.180
kernel-tools-devel - addressed in versions 4.19.90-2411.1.0.0301, 5.10.0-136.99.0.180
perf - addressed in versions 4.19.90-2411.1.0.0301, 5.10.0-136.99.0.180
perf-debuginfo - addressed in versions 4.19.90-2411.1.0.0301, 5.10.0-136.99.0.180
python2-perf - update to 4.19.90-2411.1.0.0301
python2-perf-debuginfo - update to 4.19.90-2411.1.0.0301
python3-perf - addressed in versions 4.19.90-2411.1.0.0301, 5.10.0-136.99.0.180
kernel-headers - update to 5.10.0-136.99.0.180
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.82.1
kernel-devel-rt - update to 5.14.21-150500.13.82.1
kselftests-kmp-rt - update to 5.14.21-150500.13.82.1
gfs2-kmp-rt - update to 5.14.21-150500.13.82.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.82.1
kernel-syms-rt - update to 5.14.21-150500.13.82.1
kernel-rt-vdso - update to 5.14.21-150500.13.82.1
kernel-rt-debugsource - update to 5.14.21-150500.13.82.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.82.1
kernel-rt-optional - update to 5.14.21-150500.13.82.1
kernel-rt-extra - update to 5.14.21-150500.13.82.1
kernel-rt-livepatch - update to 5.14.21-150500.13.82.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.82.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.82.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.82.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.82.1
kernel-source-rt - update to 5.14.21-150500.13.82.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.82.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.82.1
kernel-rt_debug - update to 5.14.21-150500.13.82.1
kernel-rt - update to 5.14.21-150500.13.82.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.82.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.82.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.82.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.82.1
kernel-rt-devel - update to 5.14.21-150500.13.82.1
kernel-rt-debuginfo - update to 5.14.21-150500.13.82.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.82.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.82.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.82.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.82.1
dlm-kmp-rt - update to 5.14.21-150500.13.82.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.82.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.82.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.82.1
reiserfs-kmp-default-debuginfo - update to 5.14.21-150500.55.91.1
kernel-obs-build - update to 5.14.21-150500.55.91.1
kernel-obs-build-debugsource - update to 5.14.21-150500.55.91.1
kernel-default-optional-debuginfo - update to 5.14.21-150500.55.91.1
kernel-obs-qa - update to 5.14.21-150500.55.91.1
kernel-docs - update to 5.14.21-150500.55.91.1
kernel-source-vanilla - update to 5.14.21-150500.55.91.1
kernel-docs-html - update to 5.14.21-150500.55.91.1
kernel-debug - update to 5.14.21-150500.55.91.1
kernel-debug-debuginfo - update to 5.14.21-150500.55.91.1
kernel-debug-devel-debuginfo - update to 5.14.21-150500.55.91.1
kernel-debug-debugsource - update to 5.14.21-150500.55.91.1
kernel-debug-devel - update to 5.14.21-150500.55.91.1
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.91.1
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.91.1
kernel-default-vdso - update to 5.14.21-150500.55.91.1
kernel-debug-vdso - update to 5.14.21-150500.55.91.1
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.91.1
kernel-debug-vdso-debuginfo - update to 5.14.21-150500.55.91.1
kernel-kvmsmall-debugsource - update to 5.14.21-150500.55.91.1
kernel-kvmsmall-debuginfo - update to 5.14.21-150500.55.91.1
dtb-rockchip - update to 5.14.21-150500.55.91.1
reiserfs-kmp-default - update to 5.14.21-150500.55.91.1
kselftests-kmp-default - update to 5.14.21-150500.55.91.1
kernel-default-livepatch - update to 5.14.21-150500.55.91.1
kernel-zfcpdump-debuginfo - update to 5.14.21-150500.55.91.1
kernel-zfcpdump-debugsource - update to 5.14.21-150500.55.91.1
kernel-zfcpdump - update to 5.14.21-150500.55.91.1
kernel-64kb-devel-debuginfo - update to 5.14.21-150500.55.91.1
kernel-64kb-devel - update to 5.14.21-150500.55.91.1
kernel-64kb-debugsource - update to 5.14.21-150500.55.91.1
kernel-64kb-debuginfo - update to 5.14.21-150500.55.91.1
kernel-64kb - update to 5.14.21-150500.55.91.1
dtb-amd - update to 5.14.21-150500.55.91.1
dtb-amazon - update to 5.14.21-150500.55.91.1
dtb-hisilicon - update to 5.14.21-150500.55.91.1
dtb-broadcom - update to 5.14.21-150500.55.91.1
kselftests-kmp-64kb - update to 5.14.21-150500.55.91.1
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150500.55.91.1
dtb-mediatek - update to 5.14.21-150500.55.91.1
dtb-altera - update to 5.14.21-150500.55.91.1
dtb-renesas - update to 5.14.21-150500.55.91.1
gfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.91.1
reiserfs-kmp-64kb - update to 5.14.21-150500.55.91.1
ocfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.91.1
gfs2-kmp-64kb - update to 5.14.21-150500.55.91.1
dtb-qcom - update to 5.14.21-150500.55.91.1
dtb-cavium - update to 5.14.21-150500.55.91.1
kernel-64kb-optional-debuginfo - update to 5.14.21-150500.55.91.1
dtb-apm - update to 5.14.21-150500.55.91.1
reiserfs-kmp-64kb-debuginfo - update to 5.14.21-150500.55.91.1
dlm-kmp-64kb-debuginfo - update to 5.14.21-150500.55.91.1
kernel-64kb-extra-debuginfo - update to 5.14.21-150500.55.91.1
dlm-kmp-64kb - update to 5.14.21-150500.55.91.1
cluster-md-kmp-64kb - update to 5.14.21-150500.55.91.1
dtb-exynos - update to 5.14.21-150500.55.91.1
dtb-xilinx - update to 5.14.21-150500.55.91.1
dtb-freescale - update to 5.14.21-150500.55.91.1
dtb-sprd - update to 5.14.21-150500.55.91.1
dtb-lg - update to 5.14.21-150500.55.91.1
dtb-marvell - update to 5.14.21-150500.55.91.1
kernel-64kb-optional - update to 5.14.21-150500.55.91.1
kernel-default-extra - update to 5.14.21-150500.55.91.1
kselftests-kmp-default-debuginfo - update to 5.14.21-150500.55.91.1
kernel-default-extra-debuginfo - update to 5.14.21-150500.55.91.1
kernel-kvmsmall-devel - update to 5.14.21-150500.55.91.1
kernel-kvmsmall-devel-debuginfo - update to 5.14.21-150500.55.91.1
kernel-default-livepatch-devel - update to 5.14.21-150500.55.91.1
kernel-kvmsmall - update to 5.14.21-150500.55.91.1
kernel-default-optional - update to 5.14.21-150500.55.91.1
dtb-arm - update to 5.14.21-150500.55.91.1
kernel-64kb-extra - update to 5.14.21-150500.55.91.1
kselftests-kmp-64kb-debuginfo - update to 5.14.21-150500.55.91.1
dtb-allwinner - update to 5.14.21-150500.55.91.1
dtb-socionext - update to 5.14.21-150500.55.91.1
ocfs2-kmp-64kb - update to 5.14.21-150500.55.91.1
dtb-amlogic - update to 5.14.21-150500.55.91.1
dtb-apple - update to 5.14.21-150500.55.91.1
dtb-nvidia - update to 5.14.21-150500.55.91.1
dtb-aarch64 - update to 5.14.21-150500.55.91.1
kernel-default-base-rebuild - update to 5.14.21-150500.55.91.1.150500.6.41.1

External References

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