Use-after-free in Linux kernel - CVE-2022-50211

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Main Vulnerability Database Vulnerabilities #VU111433

Use-after-free in Linux kernel - CVE-2022-50211

Published: June 19, 2025 / Updated: June 21, 2025


Vulnerability identifier: #VU111433
CSH Severity: Low
CVSS v4 BT: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2022-50211
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the raid10_remove_disk() function in drivers/md/raid10.c. A local user can escalate privileges on the system.


Affected software

Linux kernel
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME
SUSE Linux Enterprise Server 15 SP3
SUSE Enterprise Server 15 SP3 Business Critical
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server 11
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
Anolis OS
SUSE Enterprise Storage
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
SUSE Linux Enterprise Live Patching
openSUSE Leap
openEuler
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kernel-livepatch-SLE15-SP3_Update_60-debugsource
kernel-livepatch-5_3_18-150300_59_215-default-debuginfo
kernel-livepatch-5_3_18-150300_59_215-default
kernel-livepatch-5_14_21-150400_24_170-default-debuginfo
kernel-livepatch-5_14_21-150400_24_170-default
kernel-livepatch-SLE15-SP4_Update_42-debugsource
kernel-livepatch-5_14_21-150500_55_113-default
kernel-livepatch-SLE15-SP5_Update_28-debugsource
kernel-livepatch-5_14_21-150500_55_113-default-debuginfo
kernel-default
kernel-ec2
kernel-default-debugsource
kernel-xen
kernel-xen-debuginfo
kernel-default-debuginfo
kernel-trace-base
kernel-trace
kernel-default-devel-debuginfo
kernel-xen-devel
kernel-ec2-base
kernel-xen-base
kernel-syms
kernel-trace-devel
kernel-source
kernel-default-devel
kernel-default-base
kernel-ec2-devel
kernel-docs
kernel-trace-devel-debuginfo
kernel-trace-debuginfo
kernel-xen-devel-debuginfo
kernel-ec2-debuginfo
kernel-xen-debugsource
kernel-ec2-debugsource
kernel-ec2-devel-debuginfo
kernel-trace-debugsource
kernel-rt (Red Hat package)
kernel-abi-whitelists
python-perf
perf
kernel-tools-libs-devel
kernel-tools-libs
kernel-tools
kernel-headers
kernel-devel
kernel-debug-devel
kernel-debug
kernel
bpftool
kernel-doc
kernel (Red Hat package)
python3-perf-debuginfo
python3-perf
python2-perf-debuginfo
python2-perf
perf-debuginfo
kernel-tools-debuginfo
kernel-tools-devel
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-obs-build-debugsource
kernel-obs-build
reiserfs-kmp-default-debuginfo
reiserfs-kmp-default
dlm-kmp-default
dlm-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
gfs2-kmp-default
kernel-zfcpdump-debugsource
cluster-md-kmp-default
kernel-preempt-debuginfo
kernel-default-livepatch-devel
kernel-default-livepatch
kernel-64kb-debuginfo
kernel-64kb-devel-debuginfo
kernel-64kb-devel
kernel-64kb-debugsource
kernel-64kb
kernel-preempt-devel
kernel-macros
kernel-preempt-debugsource
kernel-preempt-devel-debuginfo
kernel-preempt
kernel-zfcpdump-debuginfo
kernel-zfcpdump
ocfs2-kmp-default
dtb-freescale
dtb-mediatek
dtb-lg
dtb-xilinx
kernel-obs-qa
dtb-arm
kernel-source-vanilla
dtb-hisilicon
dtb-altera
dtb-socionext
kernel-docs-html
dtb-rockchip
dtb-marvell
dtb-amlogic
dtb-sprd
dtb-apm
dtb-cavium
dtb-broadcom
dtb-nvidia
dtb-amazon
dtb-exynos
dtb-amd
dtb-renesas
dtb-qcom
dtb-aarch64
dtb-apple
dtb-allwinner
reiserfs-kmp-64kb-debuginfo
cluster-md-kmp-64kb
cluster-md-kmp-64kb-debuginfo
kernel-64kb-optional-debuginfo
ocfs2-kmp-64kb-debuginfo
kernel-64kb-extra-debuginfo
kselftests-kmp-64kb
kernel-kvmsmall
gfs2-kmp-64kb
dlm-kmp-64kb
dlm-kmp-64kb-debuginfo
kernel-default-optional
kernel-64kb-optional
kernel-default-optional-debuginfo
kselftests-kmp-default-debuginfo
kselftests-kmp-64kb-debuginfo
reiserfs-kmp-64kb
gfs2-kmp-64kb-debuginfo
kernel-64kb-extra
ocfs2-kmp-64kb
kernel-default-extra
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel
kernel-default-extra-debuginfo
kselftests-kmp-default
kernel-kvmsmall-debugsource
kernel-default-base-rebuild

How to mitigate CVE-2022-50211

Install update from vendor's repository.

Linux kernel - addressed in versions 4.9.326, 4.14.291, 4.19.256, 5.4.211, 5.10.137, 5.15.61, 5.18.18, 5.19.2, 6.0
kernel-livepatch-SLE15-SP3_Update_60-debugsource - update to 1-150300.7.3.1
kernel-livepatch-5_3_18-150300_59_215-default-debuginfo - update to 1-150300.7.3.1
kernel-livepatch-5_3_18-150300_59_215-default - update to 1-150300.7.3.1
kernel-livepatch-5_14_21-150400_24_170-default-debuginfo - update to 1-150400.9.3.2
kernel-livepatch-5_14_21-150400_24_170-default - update to 1-150400.9.3.2
kernel-livepatch-SLE15-SP4_Update_42-debugsource - update to 1-150400.9.3.2
kernel-livepatch-5_14_21-150500_55_113-default - update to 1-150500.11.3.1
kernel-livepatch-SLE15-SP5_Update_28-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_113-default-debuginfo - update to 1-150500.11.3.1
kernel-default - addressed in versions 3.0.101-108.189.1, 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-ec2 - update to 3.0.101-108.189.1
kernel-default-debugsource - addressed in versions 3.0.101-108.189.1, 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-xen - update to 3.0.101-108.189.1
kernel-xen-debuginfo - update to 3.0.101-108.189.1
kernel-default-debuginfo - addressed in versions 3.0.101-108.189.1, 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-trace-base - update to 3.0.101-108.189.1
kernel-trace - update to 3.0.101-108.189.1
kernel-default-devel-debuginfo - addressed in versions 3.0.101-108.189.1, 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
kernel-xen-devel - update to 3.0.101-108.189.1
kernel-ec2-base - update to 3.0.101-108.189.1
kernel-xen-base - update to 3.0.101-108.189.1
kernel-syms - addressed in versions 3.0.101-108.189.1, 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.1
kernel-trace-devel - update to 3.0.101-108.189.1
kernel-source - addressed in versions 3.0.101-108.189.1, 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.1
kernel-default-devel - addressed in versions 3.0.101-108.189.1, 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
kernel-default-base - addressed in versions 3.0.101-108.189.1, 5.3.18-150300.59.215.1.150300.18.128.1, 5.14.21-150400.24.170.2.150400.24.86.2
kernel-ec2-devel - update to 3.0.101-108.189.1
kernel-docs - addressed in versions 3.0.101-108.189.1, 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.1
kernel-trace-devel-debuginfo - update to 3.0.101-108.189.1
kernel-trace-debuginfo - update to 3.0.101-108.189.1
kernel-xen-devel-debuginfo - update to 3.0.101-108.189.1
kernel-ec2-debuginfo - update to 3.0.101-108.189.1
kernel-xen-debugsource - update to 3.0.101-108.189.1
kernel-ec2-debugsource - update to 3.0.101-108.189.1
kernel-ec2-devel-debuginfo - update to 3.0.101-108.189.1
kernel-trace-debugsource - update to 3.0.101-108.189.1
kernel-rt (Red Hat package) - addressed in versions 3.10.0-1160.140.1.rt56.1292.el7, 5.14.0-70.148.1.rt21.220.el9_0
kernel-abi-whitelists - update to 3.10.0-1160.141.1
python-perf - update to 3.10.0-1160.141.1
perf - update to 3.10.0-1160.141.1
kernel-tools-libs-devel - update to 3.10.0-1160.141.1
kernel-tools-libs - update to 3.10.0-1160.141.1
kernel-tools - update to 3.10.0-1160.141.1
kernel-headers - update to 3.10.0-1160.141.1
kernel-devel - update to 3.10.0-1160.141.1
kernel-debug-devel - update to 3.10.0-1160.141.1
kernel-debug - update to 3.10.0-1160.141.1
kernel - update to 3.10.0-1160.141.1
bpftool - update to 3.10.0-1160.141.1
kernel-doc - update to 3.10.0-1160.141.1
kernel (Red Hat package) - addressed in versions 3.10.0-1160.141.1.el7, 4.18.0-193.168.1.el8_2, 4.18.0-305.179.1.el8_4, 4.18.0-372.162.1.el8_6, 5.14.0-70.148.1.el9_0
kernel - update to 4.19.90-2507.2.0.0335
python3-perf-debuginfo - update to 4.19.90-2507.2.0.0335
python3-perf - update to 4.19.90-2507.2.0.0335
python2-perf-debuginfo - update to 4.19.90-2507.2.0.0335
python2-perf - update to 4.19.90-2507.2.0.0335
perf-debuginfo - update to 4.19.90-2507.2.0.0335
perf - update to 4.19.90-2507.2.0.0335
kernel-tools-debuginfo - update to 4.19.90-2507.2.0.0335
kernel-tools-devel - update to 4.19.90-2507.2.0.0335
bpftool - update to 4.19.90-2507.2.0.0335
bpftool-debuginfo - update to 4.19.90-2507.2.0.0335
kernel-debuginfo - update to 4.19.90-2507.2.0.0335
kernel-debugsource - update to 4.19.90-2507.2.0.0335
kernel-devel - update to 4.19.90-2507.2.0.0335
kernel-source - update to 4.19.90-2507.2.0.0335
kernel-tools - update to 4.19.90-2507.2.0.0335
kernel-obs-build-debugsource - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
kernel-obs-build - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
reiserfs-kmp-default-debuginfo - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
reiserfs-kmp-default - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
dlm-kmp-default - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
dlm-kmp-default-debuginfo - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
cluster-md-kmp-default-debuginfo - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
gfs2-kmp-default-debuginfo - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
ocfs2-kmp-default-debuginfo - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
gfs2-kmp-default - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
kernel-zfcpdump-debugsource - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
cluster-md-kmp-default - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
kernel-preempt-debuginfo - update to 5.3.18-150300.59.215.1
kernel-default-livepatch-devel - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-default-livepatch - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-64kb-debuginfo - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
kernel-64kb-devel-debuginfo - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
kernel-64kb-devel - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
kernel-64kb-debugsource - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
kernel-64kb - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
kernel-preempt-devel - update to 5.3.18-150300.59.215.1
kernel-macros - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.1
kernel-preempt-debugsource - update to 5.3.18-150300.59.215.1
kernel-preempt-devel-debuginfo - update to 5.3.18-150300.59.215.1
kernel-preempt - update to 5.3.18-150300.59.215.1
kernel-zfcpdump-debuginfo - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
kernel-zfcpdump - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
kernel-devel - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.1
ocfs2-kmp-default - addressed in versions 5.3.18-150300.59.215.1, 5.14.21-150400.24.170.2
dtb-freescale - update to 5.14.21-150400.24.170.1
dtb-mediatek - update to 5.14.21-150400.24.170.1
dtb-lg - update to 5.14.21-150400.24.170.1
dtb-xilinx - update to 5.14.21-150400.24.170.1
kernel-obs-qa - update to 5.14.21-150400.24.170.1
dtb-arm - update to 5.14.21-150400.24.170.1
kernel-source-vanilla - update to 5.14.21-150400.24.170.1
dtb-hisilicon - update to 5.14.21-150400.24.170.1
dtb-altera - update to 5.14.21-150400.24.170.1
dtb-socionext - update to 5.14.21-150400.24.170.1
kernel-docs-html - update to 5.14.21-150400.24.170.1
dtb-rockchip - update to 5.14.21-150400.24.170.1
dtb-marvell - update to 5.14.21-150400.24.170.1
dtb-amlogic - update to 5.14.21-150400.24.170.1
dtb-sprd - update to 5.14.21-150400.24.170.1
dtb-apm - update to 5.14.21-150400.24.170.1
dtb-cavium - update to 5.14.21-150400.24.170.1
dtb-broadcom - update to 5.14.21-150400.24.170.1
dtb-nvidia - update to 5.14.21-150400.24.170.1
dtb-amazon - update to 5.14.21-150400.24.170.1
dtb-exynos - update to 5.14.21-150400.24.170.1
dtb-amd - update to 5.14.21-150400.24.170.1
dtb-renesas - update to 5.14.21-150400.24.170.1
dtb-qcom - update to 5.14.21-150400.24.170.1
dtb-aarch64 - update to 5.14.21-150400.24.170.1
dtb-apple - update to 5.14.21-150400.24.170.1
dtb-allwinner - update to 5.14.21-150400.24.170.1
reiserfs-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
cluster-md-kmp-64kb - update to 5.14.21-150400.24.170.2
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-64kb-optional-debuginfo - update to 5.14.21-150400.24.170.2
ocfs2-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-64kb-extra-debuginfo - update to 5.14.21-150400.24.170.2
kselftests-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-kvmsmall - update to 5.14.21-150400.24.170.2
gfs2-kmp-64kb - update to 5.14.21-150400.24.170.2
dlm-kmp-64kb - update to 5.14.21-150400.24.170.2
dlm-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-default-optional - update to 5.14.21-150400.24.170.2
kernel-64kb-optional - update to 5.14.21-150400.24.170.2
kernel-default-optional-debuginfo - update to 5.14.21-150400.24.170.2
kselftests-kmp-default-debuginfo - update to 5.14.21-150400.24.170.2
kselftests-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
reiserfs-kmp-64kb - update to 5.14.21-150400.24.170.2
gfs2-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-64kb-extra - update to 5.14.21-150400.24.170.2
ocfs2-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-default-extra - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-devel-debuginfo - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-debuginfo - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-devel - update to 5.14.21-150400.24.170.2
kernel-default-extra-debuginfo - update to 5.14.21-150400.24.170.2
kselftests-kmp-default - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-debugsource - update to 5.14.21-150400.24.170.2
kernel-default-base-rebuild - update to 5.14.21-150400.24.170.2.150400.24.86.2

External References

Related Security Bulletins