Out-of-bounds read in Linux kernel - CVE-2022-50066

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Main Vulnerability Database Vulnerabilities #VU111481

Out-of-bounds read in Linux kernel - CVE-2022-50066

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


Vulnerability identifier: #VU111481
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-2022-50066
CWE-ID: CWE-125
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 an out-of-bounds read error within the aq_nic_service_timer_cb(), aq_nic_get_regs_count(), aq_nic_get_stats(), aq_nic_set_loopback() and aq_nic_stop() functions in drivers/net/ethernet/aquantia/atlantic/aq_nic.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
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
kgraft-patch-4_12_14-122_272-default
kernel-livepatch-5_14_21-150400_24_170-default
kernel-livepatch-5_14_21-150400_24_170-default-debuginfo
kernel-livepatch-SLE15-SP4_Update_42-debugsource
kernel-livepatch-5_14_21-150500_55_113-default-debuginfo
kernel-livepatch-SLE15-SP5_Update_28-debugsource
kernel-livepatch-5_14_21-150500_55_113-default
kernel (Red Hat package)
kernel-rt (Red Hat package)
ocfs2-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
dlm-kmp-default
kernel-source
kernel-devel
kernel-macros
kernel-default-man
kernel-default-devel-debuginfo
dlm-kmp-default-debuginfo
kernel-default-base
ocfs2-kmp-default
cluster-md-kmp-default
kernel-default-base-debuginfo
gfs2-kmp-default
kernel-syms
cluster-md-kmp-default-debuginfo
kernel-default-devel
kernel-default-debuginfo
kernel-default-kgraft-devel
kernel-default-debugsource
kernel-default-kgraft
kernel-default
kernel-debuginfo
python3-perf-debuginfo
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
bpftool-debuginfo
bpftool
kernel
kernel-debugsource
dtb-arm
dtb-apple
dtb-nvidia
dtb-broadcom
dtb-cavium
dtb-apm
dtb-sprd
dtb-amlogic
dtb-marvell
dtb-altera
dtb-amazon
dtb-allwinner
dtb-rockchip
dtb-socionext
dtb-hisilicon
dtb-xilinx
dtb-lg
dtb-mediatek
dtb-freescale
dtb-amd
kernel-source-vanilla
kernel-docs-html
kernel-obs-qa
dtb-aarch64
dtb-qcom
kernel-docs
dtb-exynos
dtb-renesas
kernel-64kb
kernel-default-extra
kernel-obs-build-debugsource
reiserfs-kmp-default
kernel-obs-build
kernel-default-livepatch-devel
kernel-default-livepatch
kselftests-kmp-default
kernel-default-extra-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debugsource
kernel-64kb-extra-debuginfo
cluster-md-kmp-64kb
kernel-kvmsmall
reiserfs-kmp-64kb-debuginfo
ocfs2-kmp-64kb-debuginfo
kernel-64kb-devel
kernel-zfcpdump
kselftests-kmp-64kb
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
gfs2-kmp-64kb
dlm-kmp-64kb
dlm-kmp-64kb-debuginfo
reiserfs-kmp-64kb
kernel-64kb-debugsource
kernel-64kb-optional-debuginfo
kernel-64kb-optional
kernel-default-optional-debuginfo
kselftests-kmp-64kb-debuginfo
kernel-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
cluster-md-kmp-64kb-debuginfo
kernel-default-optional
ocfs2-kmp-64kb
kernel-64kb-extra
kernel-64kb-devel-debuginfo
kselftests-kmp-default-debuginfo
reiserfs-kmp-default-debuginfo
kernel-default-base-rebuild

How to mitigate CVE-2022-50066

Install update from vendor's repository.

Linux kernel - update to 5.10.138
kgraft-patch-4_12_14-122_272-default - update to 1-8.3.1
kernel-livepatch-5_14_21-150400_24_170-default - update to 1-150400.9.3.2
kernel-livepatch-5_14_21-150400_24_170-default-debuginfo - 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-debuginfo - 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 - update to 1-150500.11.3.1
kernel (Red Hat package) - addressed in versions 3.10.0-1160.136.1.el7, 4.18.0-193.159.1.el8_2, 4.18.0-305.162.1.el8_4, 4.18.0-372.151.1.el8_6, 4.18.0-477.101.1.el8_8, 5.14.0-70.138.1.el9_0, 5.14.0-284.124.1.el9_2
kernel-rt (Red Hat package) - addressed in versions 3.10.0-1160.136.1.rt56.1288.el7, 5.14.0-70.138.1.rt21.210.el9_0, 5.14.0-284.124.1.rt14.409.el9_2
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
dlm-kmp-default - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
kernel-source - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.1
kernel-devel - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.1
kernel-macros - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.1
kernel-default-man - update to 4.12.14-122.272.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
kernel-default-base - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2.150400.24.86.2
ocfs2-kmp-default - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
cluster-md-kmp-default - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
kernel-default-base-debuginfo - update to 4.12.14-122.272.1
gfs2-kmp-default - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
kernel-syms - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
kernel-default-devel - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
kernel-default-debuginfo - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-default-kgraft-devel - update to 4.12.14-122.272.1
kernel-default-debugsource - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-default-kgraft - update to 4.12.14-122.272.1
kernel-default - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-source - update to 4.19.90-2507.2.0.0335
kernel-debuginfo - update to 4.19.90-2507.2.0.0335
python3-perf-debuginfo - update to 4.19.90-2507.2.0.0335
kernel-tools - 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
perf - update to 4.19.90-2507.2.0.0335
perf-debuginfo - update to 4.19.90-2507.2.0.0335
python2-perf - update to 4.19.90-2507.2.0.0335
python2-perf-debuginfo - update to 4.19.90-2507.2.0.0335
python3-perf - update to 4.19.90-2507.2.0.0335
bpftool-debuginfo - update to 4.19.90-2507.2.0.0335
bpftool - update to 4.19.90-2507.2.0.0335
kernel - update to 4.19.90-2507.2.0.0335
kernel-devel - update to 4.19.90-2507.2.0.0335
kernel-debugsource - update to 4.19.90-2507.2.0.0335
dtb-arm - update to 5.14.21-150400.24.170.1
dtb-apple - update to 5.14.21-150400.24.170.1
dtb-nvidia - update to 5.14.21-150400.24.170.1
dtb-broadcom - update to 5.14.21-150400.24.170.1
dtb-cavium - update to 5.14.21-150400.24.170.1
dtb-apm - update to 5.14.21-150400.24.170.1
dtb-sprd - update to 5.14.21-150400.24.170.1
dtb-amlogic - update to 5.14.21-150400.24.170.1
dtb-marvell - update to 5.14.21-150400.24.170.1
dtb-altera - update to 5.14.21-150400.24.170.1
dtb-amazon - update to 5.14.21-150400.24.170.1
dtb-allwinner - update to 5.14.21-150400.24.170.1
dtb-rockchip - update to 5.14.21-150400.24.170.1
dtb-socionext - update to 5.14.21-150400.24.170.1
dtb-hisilicon - update to 5.14.21-150400.24.170.1
dtb-xilinx - update to 5.14.21-150400.24.170.1
dtb-lg - update to 5.14.21-150400.24.170.1
dtb-mediatek - update to 5.14.21-150400.24.170.1
dtb-freescale - update to 5.14.21-150400.24.170.1
dtb-amd - update to 5.14.21-150400.24.170.1
kernel-source-vanilla - update to 5.14.21-150400.24.170.1
kernel-docs-html - update to 5.14.21-150400.24.170.1
kernel-obs-qa - update to 5.14.21-150400.24.170.1
dtb-aarch64 - update to 5.14.21-150400.24.170.1
dtb-qcom - update to 5.14.21-150400.24.170.1
kernel-docs - update to 5.14.21-150400.24.170.1
dtb-exynos - update to 5.14.21-150400.24.170.1
dtb-renesas - update to 5.14.21-150400.24.170.1
kernel-64kb - update to 5.14.21-150400.24.170.2
kernel-default-extra - update to 5.14.21-150400.24.170.2
kernel-obs-build-debugsource - update to 5.14.21-150400.24.170.2
reiserfs-kmp-default - update to 5.14.21-150400.24.170.2
kernel-obs-build - update to 5.14.21-150400.24.170.2
kernel-default-livepatch-devel - addressed in versions 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kselftests-kmp-default - update to 5.14.21-150400.24.170.2
kernel-default-extra-debuginfo - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-devel - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-debuginfo - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-devel-debuginfo - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-debugsource - update to 5.14.21-150400.24.170.2
kernel-64kb-extra-debuginfo - update to 5.14.21-150400.24.170.2
cluster-md-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-kvmsmall - update to 5.14.21-150400.24.170.2
reiserfs-kmp-64kb-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-devel - update to 5.14.21-150400.24.170.2
kernel-zfcpdump - update to 5.14.21-150400.24.170.2
kselftests-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-zfcpdump-debugsource - update to 5.14.21-150400.24.170.2
kernel-zfcpdump-debuginfo - 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
reiserfs-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-64kb-debugsource - update to 5.14.21-150400.24.170.2
kernel-64kb-optional-debuginfo - 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-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-64kb-debuginfo - update to 5.14.21-150400.24.170.2
gfs2-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-default-optional - update to 5.14.21-150400.24.170.2
ocfs2-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-64kb-extra - update to 5.14.21-150400.24.170.2
kernel-64kb-devel-debuginfo - update to 5.14.21-150400.24.170.2
kselftests-kmp-default-debuginfo - update to 5.14.21-150400.24.170.2
reiserfs-kmp-default-debuginfo - 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