Main Vulnerability Database Vulnerabilities #VU91338

Information disclosure in Linux kernel - CVE-2021-47425

Published: June 8, 2024 / Updated: May 13, 2025

Vulnerability identifier: #VU91338

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2021-47425

CWE-ID: CWE-200

Exploitation vector: Local access

Exploit availability: No public exploit available

Affected software:
Linux kernel
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 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 Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise Real Time 12
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
openSUSE Leap Micro
SUSE Enterprise Storage
SUSE Linux Enterprise Workstation Extension 12
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP2 Business Critical Linux
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 Business Critical Linux
SUSE Linux Enterprise Server 15 SP3 LTSS
SUSE Linux Enterprise Desktop 15 SP4 LTSS
SUSE Linux Enterprise Server 15 SP4 LTSS
SUSE Real Time Module
Public Cloud Module
Basesystem Module
Development Tools Module
Legacy Module
openSUSE Leap
openEuler
RecoverPoint for Virtual Machines
kgraft-patch-4_12_14-122_228-default
kernel-livepatch-SLE15-SP2_Update_49-debugsource
kernel-livepatch-5_3_18-150200_24_194-default
kernel-livepatch-5_3_18-150200_24_194-default-debuginfo
kernel-livepatch-5_3_18-150300_59_164-preempt
kernel-livepatch-SLE15-SP3_Update_45-debugsource
kernel-livepatch-5_3_18-150300_59_164-default
kernel-livepatch-5_3_18-150300_59_164-default-debuginfo
kernel-livepatch-5_3_18-150300_59_164-preempt-debuginfo
kernel-livepatch-SLE15-SP4_Update_27-debugsource
kernel-livepatch-5_14_21-150400_24_122-default-debuginfo
kernel-livepatch-5_14_21-150400_24_122-default
kernel-livepatch-SLE15-SP5-RT_Update_16-debugsource
kernel-livepatch-5_14_21-150500_13_58-rt
kernel-livepatch-SLE15-SP5_Update_15-debugsource
kernel-livepatch-5_14_21-150500_55_68-default
kernel-livepatch-5_14_21-150500_55_68-default-debuginfo
kernel-livepatch-5_14_21-150500_13_58-rt-debuginfo
cluster-md-kmp-rt
kernel-rt-debuginfo
gfs2-kmp-rt-debuginfo
kernel-rt-base
kernel-rt_debug-debuginfo
kernel-syms-rt
kernel-rt_debug-devel-debuginfo
gfs2-kmp-rt
kernel-rt-debugsource
cluster-md-kmp-rt-debuginfo
kernel-rt_debug
kernel-rt
kernel-devel-rt
dlm-kmp-rt
kernel-rt-devel
kernel-rt-base-debuginfo
kernel-rt_debug-debugsource
ocfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-devel
kernel-rt-devel-debuginfo
dlm-kmp-rt-debuginfo
kernel-source-rt
kernel-azure-debugsource
kernel-azure-debuginfo
kernel-syms-azure
kernel-azure-base-debuginfo
kernel-devel-azure
kernel-azure-devel
kernel-azure-base
kernel-azure
kernel-source-azure
kernel-default-extra-debuginfo
kernel-default-extra
kernel-default-man
kernel-devel
dlm-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
ocfs2-kmp-default
kernel-default-debuginfo
kernel-default-base
kernel-syms
kernel-default-debugsource
dlm-kmp-default
cluster-md-kmp-default
ocfs2-kmp-default-debuginfo
kernel-default-base-debuginfo
gfs2-kmp-default
kernel-default
kernel-macros
kernel-source
kernel-default-devel-debuginfo
kernel-default-kgraft-devel
cluster-md-kmp-default-debuginfo
kernel-default-devel
kernel-default-kgraft
kernel-docs
kernel-obs-build
kernel-obs-build-debugsource
kernel
python3-perf
bpftool-debuginfo
bpftool
python2-perf-debuginfo
kernel-tools
perf
kernel-tools-devel
perf-debuginfo
python3-perf-debuginfo
kernel-tools-debuginfo
kernel-debugsource
kernel-debuginfo
python2-perf
kernel-preempt-devel-debuginfo
reiserfs-kmp-default-debuginfo
reiserfs-kmp-default
kernel-preempt-debugsource
kernel-preempt-devel
kernel-preempt-debuginfo
kernel-preempt
kernel-default-livepatch-devel
kernel-default-livepatch
kernel-64kb-optional
dtb-zte
dtb-broadcom
dtb-altera
dtb-mediatek
dtb-marvell
dtb-qcom
dlm-kmp-64kb-debuginfo
dtb-amd
kernel-64kb-devel-debuginfo
kernel-64kb-optional-debuginfo
dtb-socionext
dtb-exynos
dtb-apm
ocfs2-kmp-64kb-debuginfo
kernel-64kb-debuginfo
dtb-freescale
reiserfs-kmp-64kb
kernel-64kb-livepatch-devel
kernel-64kb-debugsource
kernel-preempt-extra-debuginfo
dlm-kmp-preempt-debuginfo
ocfs2-kmp-preempt-debuginfo
reiserfs-kmp-preempt
kernel-preempt-livepatch-devel
kernel-preempt-optional-debuginfo
kernel-zfcpdump
dtb-hisilicon
dtb-sprd
dtb-rockchip
dtb-aarch64
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-64kb
dtb-allwinner
dtb-lg
dtb-al
kernel-64kb-extra-debuginfo
dtb-amlogic
dtb-nvidia
cluster-md-kmp-64kb-debuginfo
kernel-preempt-extra
gfs2-kmp-64kb-debuginfo
kernel-64kb-extra
cluster-md-kmp-64kb
reiserfs-kmp-64kb-debuginfo
dtb-xilinx
dtb-renesas
kselftests-kmp-64kb-debuginfo
dtb-cavium
kernel-64kb-devel
gfs2-kmp-64kb
dlm-kmp-64kb
kselftests-kmp-64kb
ocfs2-kmp-64kb
kernel-debug
kernel-kvmsmall-devel
kernel-debug-devel
kernel-debug-livepatch-devel
kernel-kvmsmall-debugsource
kernel-debug-debugsource
kernel-debug-debuginfo
kernel-debug-devel-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-livepatch-devel
kernel-kvmsmall-debuginfo
kernel-kvmsmall
kernel-default-optional
kselftests-kmp-default
kernel-preempt-optional
reiserfs-kmp-preempt-debuginfo
cluster-md-kmp-preempt-debuginfo
kselftests-kmp-preempt
gfs2-kmp-preempt
kselftests-kmp-preempt-debuginfo
ocfs2-kmp-preempt
gfs2-kmp-preempt-debuginfo
cluster-md-kmp-preempt
kernel-obs-qa
dlm-kmp-preempt
kselftests-kmp-default-debuginfo
kernel-default-optional-debuginfo
dtb-arm
kernel-source-vanilla
kernel-docs-html
kernel-default-base-rebuild
dtb-apple
dtb-amazon
kernel-rt-extra-debuginfo
kernel-rt-livepatch-devel
reiserfs-kmp-rt
kernel-rt-vdso
kernel-rt-vdso-debuginfo
kselftests-kmp-rt
kernel-rt-extra
kernel-rt-optional-debuginfo
kernel-rt-optional
kselftests-kmp-rt-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt_debug-vdso
kernel-rt-livepatch
kernel-rt_debug-vdso-debuginfo
kernel-rt_debug-livepatch-devel
dlm-kmp-azure-debuginfo
ocfs2-kmp-azure-debuginfo
gfs2-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
kernel-azure-extra
kernel-azure-optional
reiserfs-kmp-azure
kselftests-kmp-azure
gfs2-kmp-azure
kernel-azure-devel-debuginfo
kselftests-kmp-azure-debuginfo
kernel-azure-livepatch-devel
cluster-md-kmp-azure
dlm-kmp-azure
kernel-azure-extra-debuginfo
ocfs2-kmp-azure
reiserfs-kmp-azure-debuginfo
kernel-azure-optional-debuginfo
kernel-azure-vdso-debuginfo
kernel-azure-vdso
kernel-default-vdso-debuginfo
kernel-default-vdso
kernel-debug-vdso-debuginfo
kernel-debug-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
EMC Cloud Tiering Appliance

Detailed vulnerability description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information disclosure within the i2c_acpi_notify() function in drivers/i2c/i2c-core-acpi.c. A local user can gain access to sensitive information.

How to mitigate CVE-2021-47425

Install update from vendor's website.

Information disclosure in Linux kernel - CVE-2021-47425

Detailed vulnerability description

How to mitigate CVE-2021-47425

Sources

Please verify you're human