Input validation error in Linux kernel - CVE-2025-22047

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Main Vulnerability Database Vulnerabilities #VU107811

Input validation error in Linux kernel - CVE-2025-22047

Published: April 22, 2025 / Updated: May 10, 2025


Vulnerability identifier: #VU107811
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2025-22047
CWE-ID: CWE-20
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 input validation within the __apply_microcode_amd() function in arch/x86/kernel/cpu/microcode/amd.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Live Patching
Public Cloud Module
Legacy Module
Development Tools Module
Basesystem Module
SUSE Real Time Module
openSUSE Leap
Ubuntu
kernel-livepatch-6_4_0-150600_23_87-default
kernel-livepatch-6_4_0-150600_23_87-default-debuginfo
kernel-livepatch-SLE15-SP6_Update_20-debugsource
kernel-livepatch-SLE15-SP7-RT_Update_9-debugsource
kernel-livepatch-6_4_0-150700_7_31-rt
kernel-livepatch-6_4_0-150700_7_31-rt-debuginfo
kernel-livepatch-6_4_0-150700_53_31-default-debuginfo
kernel-livepatch-SLE15-SP7_Update_9-debugsource
kernel-livepatch-6_4_0-150700_53_31-default
cluster-md-kmp-default-debuginfo
dtb-aarch64
kernel-obs-build
dtb-amlogic
kernel-zfcpdump-debugsource
kernel-default-devel-debuginfo
kernel-obs-build-debugsource
gfs2-kmp-default
kernel-default-extra-debuginfo
ocfs2-kmp-default-debuginfo
dlm-kmp-default-debuginfo
kernel-default-debugsource
kernel-default-optional
kernel-default-livepatch-devel
kernel-syms
kselftests-kmp-default
kselftests-kmp-default-debuginfo
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-kvmsmall
cluster-md-kmp-default
gfs2-kmp-default-debuginfo
kernel-default-devel
kernel-obs-qa
kernel-default-optional-debuginfo
kernel-default
kernel-default-vdso
kernel-default-debuginfo
dlm-kmp-default
reiserfs-kmp-default
ocfs2-kmp-default
kernel-default-extra
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-devel
kernel-debug-vdso
kernel-debug-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-default-livepatch
kernel-default-vdso-debuginfo
kernel-debug-debugsource
kernel-debug-devel
kernel-debug-devel-debuginfo
kernel-debug-debuginfo
kernel-debug
kernel-devel
kernel-docs-html
kernel-macros
kernel-source-vanilla
kernel-source
kernel-docs
reiserfs-kmp-default-debuginfo
kernel-64kb-optional
dtb-altera
dtb-amd
reiserfs-kmp-64kb-debuginfo
dtb-sprd
kernel-64kb-extra-debuginfo
dtb-allwinner
dtb-socionext
ocfs2-kmp-64kb-debuginfo
dtb-cavium
kernel-64kb-extra
kernel-64kb-devel
dtb-apple
ocfs2-kmp-64kb
dtb-exynos
dtb-xilinx
dlm-kmp-64kb-debuginfo
kselftests-kmp-64kb
reiserfs-kmp-64kb
dtb-rockchip
dtb-arm
kernel-64kb
cluster-md-kmp-64kb-debuginfo
kernel-64kb-devel-debuginfo
kernel-64kb-debugsource
kernel-64kb-debuginfo
dtb-marvell
dtb-mediatek
dtb-broadcom
dtb-nvidia
gfs2-kmp-64kb-debuginfo
cluster-md-kmp-64kb
kselftests-kmp-64kb-debuginfo
dtb-qcom
dtb-freescale
dtb-amazon
dtb-hisilicon
kernel-64kb-optional-debuginfo
dlm-kmp-64kb
dtb-lg
dtb-renesas
dtb-apm
gfs2-kmp-64kb
kernel-default-base-rebuild
kernel-default-base
kernel-source-rt
kernel-devel-rt
kernel-syms-rt
ocfs2-kmp-rt
gfs2-kmp-rt-debuginfo
kernel-rt-debuginfo
ocfs2-kmp-rt-debuginfo
cluster-md-kmp-rt-debuginfo
dlm-kmp-rt-debuginfo
gfs2-kmp-rt
kernel-rt-devel
cluster-md-kmp-rt
kernel-rt-devel-debuginfo
dlm-kmp-rt
kernel-rt-debugsource
kernel-rt
kernel-devel-azure
kernel-azure
kernel-azure-debuginfo
kernel-azure-devel
kernel-syms-azure
kernel-azure-debugsource
kernel-azure-devel-debuginfo
kernel-source-azure
linux (Ubuntu package)
linux-hwe-6.8 (Ubuntu package)
linux-azure-nvidia (Ubuntu package)
linux-ibm (Ubuntu package)
linux-oracle-6.8 (Ubuntu package)
linux-gcp-6.8 (Ubuntu package)
linux-nvidia (Ubuntu package)
linux-aws-6.8 (Ubuntu package)
linux-raspi (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-raspi-realtime (Ubuntu package)
linux-realtime (Ubuntu package)
linux-lowlatency (Ubuntu package)
linux-azure (Ubuntu package)
linux-oem-6.11 (Ubuntu package)
linux-aws (Ubuntu package)

How to mitigate CVE-2025-22047

Install update from vendor's website.

Linux kernel - update to 6.13.11
kernel-livepatch-6_4_0-150600_23_87-default - update to 1-150600.13.3.1
kernel-livepatch-6_4_0-150600_23_87-default-debuginfo - update to 1-150600.13.3.1
kernel-livepatch-SLE15-SP6_Update_20-debugsource - update to 1-150600.13.3.1
kernel-livepatch-SLE15-SP7-RT_Update_9-debugsource - update to 1-150700.1.3.2
kernel-livepatch-6_4_0-150700_7_31-rt - update to 1-150700.1.3.2
kernel-livepatch-6_4_0-150700_7_31-rt-debuginfo - update to 1-150700.1.3.2
kernel-livepatch-6_4_0-150700_53_31-default-debuginfo - update to 1-150700.15.3.1
kernel-livepatch-SLE15-SP7_Update_9-debugsource - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_31-default - update to 1-150700.15.3.1
cluster-md-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dtb-aarch64 - update to 6.4.0-150600.23.87.1
kernel-obs-build - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dtb-amlogic - update to 6.4.0-150600.23.87.1
kernel-zfcpdump-debugsource - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-devel-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-obs-build-debugsource - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
gfs2-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-extra-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
ocfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dlm-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-debugsource - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-optional - update to 6.4.0-150600.23.87.1
kernel-default-livepatch-devel - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-syms - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kselftests-kmp-default - update to 6.4.0-150600.23.87.1
kselftests-kmp-default-debuginfo - update to 6.4.0-150600.23.87.1
kernel-zfcpdump-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-zfcpdump - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-kvmsmall - update to 6.4.0-150600.23.87.1
cluster-md-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
gfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-devel - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-obs-qa - update to 6.4.0-150600.23.87.1
kernel-default-optional-debuginfo - update to 6.4.0-150600.23.87.1
kernel-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-vdso - update to 6.4.0-150600.23.87.1
kernel-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dlm-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
reiserfs-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
ocfs2-kmp-default - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-extra - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-kvmsmall-debugsource - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-debuginfo - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-devel - update to 6.4.0-150600.23.87.1
kernel-debug-vdso - update to 6.4.0-150600.23.87.1
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.87.1
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.87.1
kernel-default-livepatch - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-default-vdso-debuginfo - update to 6.4.0-150600.23.87.1
kernel-debug-debugsource - update to 6.4.0-150600.23.87.1
kernel-debug-devel - update to 6.4.0-150600.23.87.1
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.87.1
kernel-debug-debuginfo - update to 6.4.0-150600.23.87.1
kernel-debug - update to 6.4.0-150600.23.87.1
kernel-devel - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-docs-html - update to 6.4.0-150600.23.87.1
kernel-macros - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-source-vanilla - update to 6.4.0-150600.23.87.1
kernel-source - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-docs - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
reiserfs-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-64kb-optional - update to 6.4.0-150600.23.87.1
dtb-altera - update to 6.4.0-150600.23.87.1
dtb-amd - update to 6.4.0-150600.23.87.1
reiserfs-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
dtb-sprd - update to 6.4.0-150600.23.87.1
kernel-64kb-extra-debuginfo - update to 6.4.0-150600.23.87.1
dtb-allwinner - update to 6.4.0-150600.23.87.1
dtb-socionext - update to 6.4.0-150600.23.87.1
ocfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
dtb-cavium - update to 6.4.0-150600.23.87.1
kernel-64kb-extra - update to 6.4.0-150600.23.87.1
kernel-64kb-devel - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dtb-apple - update to 6.4.0-150600.23.87.1
ocfs2-kmp-64kb - update to 6.4.0-150600.23.87.1
dtb-exynos - update to 6.4.0-150600.23.87.1
dtb-xilinx - update to 6.4.0-150600.23.87.1
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
kselftests-kmp-64kb - update to 6.4.0-150600.23.87.1
reiserfs-kmp-64kb - update to 6.4.0-150600.23.87.1
dtb-rockchip - update to 6.4.0-150600.23.87.1
dtb-arm - update to 6.4.0-150600.23.87.1
kernel-64kb - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
kernel-64kb-devel-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-64kb-debugsource - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
kernel-64kb-debuginfo - addressed in versions 6.4.0-150600.23.87.1, 6.4.0-150700.53.31.1
dtb-marvell - update to 6.4.0-150600.23.87.1
dtb-mediatek - update to 6.4.0-150600.23.87.1
dtb-broadcom - update to 6.4.0-150600.23.87.1
dtb-nvidia - update to 6.4.0-150600.23.87.1
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
cluster-md-kmp-64kb - update to 6.4.0-150600.23.87.1
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.87.1
dtb-qcom - update to 6.4.0-150600.23.87.1
dtb-freescale - update to 6.4.0-150600.23.87.1
dtb-amazon - update to 6.4.0-150600.23.87.1
dtb-hisilicon - update to 6.4.0-150600.23.87.1
kernel-64kb-optional-debuginfo - update to 6.4.0-150600.23.87.1
dlm-kmp-64kb - update to 6.4.0-150600.23.87.1
dtb-lg - update to 6.4.0-150600.23.87.1
dtb-renesas - update to 6.4.0-150600.23.87.1
dtb-apm - update to 6.4.0-150600.23.87.1
gfs2-kmp-64kb - update to 6.4.0-150600.23.87.1
kernel-default-base-rebuild - update to 6.4.0-150600.23.87.1.150600.12.40.1
kernel-default-base - addressed in versions 6.4.0-150600.23.87.1.150600.12.40.1, 6.4.0-150700.53.31.1.150700.17.21.1
kernel-source-rt - update to 6.4.0-150700.7.31.1
kernel-devel-rt - update to 6.4.0-150700.7.31.1
kernel-syms-rt - update to 6.4.0-150700.7.31.1
ocfs2-kmp-rt - update to 6.4.0-150700.7.31.2
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
kernel-rt-debuginfo - update to 6.4.0-150700.7.31.2
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.31.2
gfs2-kmp-rt - update to 6.4.0-150700.7.31.2
kernel-rt-devel - update to 6.4.0-150700.7.31.2
cluster-md-kmp-rt - update to 6.4.0-150700.7.31.2
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.31.2
dlm-kmp-rt - update to 6.4.0-150700.7.31.2
kernel-rt-debugsource - update to 6.4.0-150700.7.31.2
kernel-rt - update to 6.4.0-150700.7.31.2
kernel-devel-azure - update to 6.4.0-150700.20.27.1
kernel-azure - update to 6.4.0-150700.20.27.1
kernel-azure-debuginfo - update to 6.4.0-150700.20.27.1
kernel-azure-devel - update to 6.4.0-150700.20.27.1
kernel-syms-azure - update to 6.4.0-150700.20.27.1
kernel-azure-debugsource - update to 6.4.0-150700.20.27.1
kernel-azure-devel-debuginfo - update to 6.4.0-150700.20.27.1
kernel-source-azure - update to 6.4.0-150700.20.27.1
linux (Ubuntu package) - addressed in versions 6.8.0-84.84, 6.8.0-84.84.1, 6.8.0-84.84.1~22.04.1, 6.8.0-86.87, 6.8.0-86.87.1, 6.8.0-86.87.1~22.04.1, 6.8.0-1023.25, 6.8.0-1025.28, 6.8.0-1036.40, 6.8.0-1038.39, 6.8.0-1039.39, 6.8.0-1039.39~22.04.1, 6.8.0-1039.41, 6.8.0-1040.42, 6.8.0-1041.43~22.04.1, 6.8.0-1041.47+1, 6.8.0-1041.47~22.04.1, 6.8.0-1042.45, 6.11.0-28.28, 6.11.0-28.28~24.04.1, 6.11.0-1011.11, 6.11.0-1014.14, 6.11.0-1015.16, 6.11.0-1016.16, 6.11.0-1016.16~24.04.1, 6.11.0-1017.18, 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-hwe-6.8 (Ubuntu package) - addressed in versions 6.8.0-84.84~22.04.1, 6.8.0-86.87~22.04.1
linux-azure-nvidia (Ubuntu package) - update to 6.8.0-1029.32
linux-ibm (Ubuntu package) - addressed in versions 6.8.0-1037.37, 6.8.0-1037.37~22.04.1
linux-oracle-6.8 (Ubuntu package) - update to 6.8.0-1038.39~22.04.1
linux-gcp-6.8 (Ubuntu package) - addressed in versions 6.8.0-1038.43, 6.8.0-1041.44, 6.8.0-1041.44.1, 6.8.0-1041.44~22.04.2, 6.8.0-1042.45~22.04.1
linux-nvidia (Ubuntu package) - addressed in versions 6.8.0-1039.42, 6.8.0-1039.42.1, 6.8.0-1039.42~22.04.1
linux-aws-6.8 (Ubuntu package) - update to 6.8.0-1041.43~22.04.1
linux-raspi (Ubuntu package) - update to 6.8.0-1041.45
linux-azure-fips (Ubuntu package) - update to 6.8.0-1044.50+fips1
linux-raspi-realtime (Ubuntu package) - update to 6.8.0-2032.33
linux-realtime (Ubuntu package) - addressed in versions 6.8.1-1036.37, 6.8.1-1036.37~22.04.1
linux-lowlatency (Ubuntu package) - addressed in versions 6.11.0-1015.16, 6.11.0-1015.16~24.04.2
linux-azure (Ubuntu package) - addressed in versions 6.11.0-1018.18, 6.11.0-1018.18~24.04.1, 6.14.0-1007.7
linux-oem-6.11 (Ubuntu package) - update to 6.11.0-1024.24
linux-aws (Ubuntu package) - addressed in versions 6.14.0-1007.7, 6.14.0-1007.7+1

External References

Related Security Bulletins