Use-after-free in Linux kernel - CVE-2022-50673

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Main Vulnerability Database Vulnerabilities #VU119702

Use-after-free in Linux kernel - CVE-2022-50673

Published: December 10, 2025 / Updated: December 12, 2025


Vulnerability identifier: #VU119702
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2022-50673
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 ext4_truncate() function in fs/ext4/inode.c. A local user can escalate privileges on the system.


Affected software

Linux kernel
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Manager Proxy
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
Anolis OS
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for Real Time
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
SUSE Linux Enterprise Live Patching
openSUSE Leap
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kernel-livepatch-5_14_21-150400_24_194-default
kernel-livepatch-SLE15-SP4_Update_48-debugsource
kernel-livepatch-5_14_21-150400_24_194-default-debuginfo
kernel-livepatch-SLE15-SP5_Update_34-debugsource
kernel-livepatch-5_14_21-150500_55_133-default
kernel-livepatch-5_14_21-150500_55_133-default-debuginfo
kernel-tools
kernel-abi-whitelists
python-perf
perf
kernel-tools-libs-devel
kernel-doc
kernel-tools-libs
bpftool
kernel
kernel-debug
kernel-debug-devel
kernel-devel
kernel-headers
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel-modules
kernel-modules-extra
python3-perf
kernel-abi-stablelists
kernel-debug-modules-extra
kernel-debug-modules
kernel-debug-core
kernel-cross-headers
kernel-core
kernel-source-rt
kernel-rt
kernel-rt-debuginfo
kernel-rt-debugsource
ocfs2-kmp-default-debuginfo
kernel-kvmsmall-debugsource
gfs2-kmp-64kb
dtb-nvidia
kernel-64kb-optional-debuginfo
kernel-64kb-devel-debuginfo
dtb-hisilicon
cluster-md-kmp-default-debuginfo
kernel-default-optional
dlm-kmp-default-debuginfo
kernel-default-extra
dtb-socionext
kselftests-kmp-default-debuginfo
dtb-amd
reiserfs-kmp-default-debuginfo
dtb-aarch64
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-kvmsmall
kernel-default-livepatch-devel
kernel-default
reiserfs-kmp-default
kernel-default-livepatch
dlm-kmp-default
cluster-md-kmp-default
kernel-syms
kernel-default-debugsource
kselftests-kmp-default
gfs2-kmp-default-debuginfo
kernel-default-devel-debuginfo
kernel-obs-qa
kernel-obs-build-debugsource
ocfs2-kmp-default
kernel-default-optional-debuginfo
kernel-default-debuginfo
gfs2-kmp-default
kernel-default-extra-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
dtb-altera
kernel-source-vanilla
kernel-macros
kernel-docs-html
kernel-source
kernel-docs
kernel-default-devel
kernel-obs-build
dtb-rockchip
dtb-apple
dtb-amlogic
kernel-64kb-extra-debuginfo
dtb-xilinx
ocfs2-kmp-64kb-debuginfo
reiserfs-kmp-64kb-debuginfo
cluster-md-kmp-64kb
kernel-64kb-debugsource
cluster-md-kmp-64kb-debuginfo
dtb-renesas
kselftests-kmp-64kb
dtb-freescale
kernel-64kb-extra
ocfs2-kmp-64kb
dtb-mediatek
kernel-64kb-debuginfo
dtb-exynos
dtb-amazon
kernel-64kb
gfs2-kmp-64kb-debuginfo
kernel-64kb-optional
dtb-arm
dtb-cavium
kernel-64kb-devel
kselftests-kmp-64kb-debuginfo
dtb-qcom
dtb-broadcom
dlm-kmp-64kb-debuginfo
dtb-lg
dtb-marvell
dtb-sprd
dlm-kmp-64kb
reiserfs-kmp-64kb
dtb-apm
dtb-allwinner
kernel-default-base
kernel-default-base-rebuild
reiserfs-kmp-rt-debuginfo
kernel-rt-livepatch
gfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-rt-devel
kselftests-kmp-rt
kernel-rt_debug-vdso
kernel-rt_debug-devel
kernel-rt_debug-debugsource
kernel-rt-devel-debuginfo
kernel-rt-optional
kernel-rt-vdso
kernel-rt-optional-debuginfo
kselftests-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-syms-rt
kernel-rt_debug-vdso-debuginfo
kernel-rt-vdso-debuginfo
dlm-kmp-rt-debuginfo
kernel-rt-livepatch-devel
kernel-rt_debug-debuginfo
kernel-rt_debug-devel-debuginfo
gfs2-kmp-rt-debuginfo
dlm-kmp-rt
kernel-rt_debug
cluster-md-kmp-rt
cluster-md-kmp-rt-debuginfo
kernel-rt-extra
kernel-rt-extra-debuginfo
kernel-devel-rt
reiserfs-kmp-rt
kernel-default-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-default-vdso
kernel-kvmsmall-vdso-debuginfo
Technical Support Appliance

How to mitigate CVE-2022-50673

Install update from vendor's repository.

Linux kernel - update to 5.15.87
kernel-livepatch-5_14_21-150400_24_194-default - update to 1-150400.9.7.1
kernel-livepatch-SLE15-SP4_Update_48-debugsource - update to 1-150400.9.7.1
kernel-livepatch-5_14_21-150400_24_194-default-debuginfo - update to 1-150400.9.7.1
kernel-livepatch-SLE15-SP5_Update_34-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_133-default - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_133-default-debuginfo - update to 1-150500.11.3.1
Technical Support Appliance - update to 3.1.2
kernel-tools - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-abi-whitelists - update to 3.10.0-1160.147.1
python-perf - update to 3.10.0-1160.147.1
perf - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-tools-libs-devel - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-doc - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-tools-libs - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
bpftool - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-debug - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-debug-devel - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-devel - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel-headers - addressed in versions 3.10.0-1160.147.1, 4.18.0-553.107.1.0.1
kernel (Red Hat package) - addressed in versions 3.10.0-1160.147.1.el7, 4.18.0-193.185.1.el8_2, 4.18.0-305.186.1.el8_4, 4.18.0-372.179.1.el8_6, 4.18.0-477.130.1.el8_8, 4.18.0-553.104.1.el8_10, 5.14.0-70.165.1.el9_0, 5.14.0-284.158.1.el9_2
kernel-rt (Red Hat package) - addressed in versions 3.10.0-1160.147.1.rt56.1299.el7, 4.18.0-553.104.1.rt7.445.el8_10, 5.14.0-70.165.1.rt21.237.el9_0, 5.14.0-284.158.1.rt14.443.el9_2
kernel-modules - update to 4.18.0-553.107.1.0.1
kernel-modules-extra - update to 4.18.0-553.107.1.0.1
python3-perf - update to 4.18.0-553.107.1.0.1
kernel-abi-stablelists - update to 4.18.0-553.107.1.0.1
kernel-debug-modules-extra - update to 4.18.0-553.107.1.0.1
kernel-debug-modules - update to 4.18.0-553.107.1.0.1
kernel-debug-core - update to 4.18.0-553.107.1.0.1
kernel-cross-headers - update to 4.18.0-553.107.1.0.1
kernel-core - update to 4.18.0-553.107.1.0.1
kernel-source-rt - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
kernel-rt - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
kernel-rt-debuginfo - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
kernel-rt-debugsource - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
ocfs2-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
gfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-nvidia - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-optional-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-devel-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-hisilicon - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
cluster-md-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-optional - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dlm-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-extra - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-socionext - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kselftests-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-amd - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
reiserfs-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-aarch64 - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-zfcpdump-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-zfcpdump-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-zfcpdump - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-livepatch-devel - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
reiserfs-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dlm-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
cluster-md-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-syms - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kselftests-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
gfs2-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-devel-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-obs-qa - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-obs-build-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
ocfs2-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-optional-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
gfs2-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-extra-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall-devel-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall-devel - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-altera - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-source-vanilla - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-macros - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-docs-html - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-devel - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-source - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-docs - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-devel - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-obs-build - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-rockchip - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-apple - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-amlogic - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-extra-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-xilinx - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
ocfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
reiserfs-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
cluster-md-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
cluster-md-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-renesas - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kselftests-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-freescale - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-extra - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
ocfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-mediatek - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-exynos - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-amazon - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
gfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-optional - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-arm - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-cavium - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-devel - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kselftests-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-qcom - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-broadcom - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dlm-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-lg - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-marvell - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-sprd - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dlm-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
reiserfs-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-apm - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-allwinner - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-base - addressed in versions 5.14.21-150400.24.194.1.150400.24.98.3, 5.14.21-150500.55.133.1.150500.6.65.1
kernel-default-base-rebuild - addressed in versions 5.14.21-150400.24.194.1.150400.24.98.3, 5.14.21-150500.55.133.1.150500.6.65.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-livepatch - update to 5.14.21-150500.13.118.1
gfs2-kmp-rt - update to 5.14.21-150500.13.118.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-devel - update to 5.14.21-150500.13.118.1
kselftests-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.118.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.118.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.118.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-optional - update to 5.14.21-150500.13.118.1
kernel-rt-vdso - update to 5.14.21-150500.13.118.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.118.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-syms-rt - update to 5.14.21-150500.13.118.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.118.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.118.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.118.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
dlm-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt_debug - update to 5.14.21-150500.13.118.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.118.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-extra - update to 5.14.21-150500.13.118.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.118.1
kernel-devel-rt - update to 5.14.21-150500.13.118.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.133.1
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.133.1
kernel-default-vdso - update to 5.14.21-150500.55.133.1
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.133.1

External References

Related Security Bulletins