Input validation error in Linux kernel - CVE-2022-49562

Vulnerability identifier: #VU104923

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-2022-49562

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the arch/x86/kvm/mmu/paging_tmpl.h. A local user can perform a denial of service (DoS) attack.

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
SUSE Linux Enterprise Live Patching
openSUSE Leap
kernel-livepatch-SLE15-SP4_Update_38-debugsource
kernel-livepatch-5_14_21-150400_24_158-default
kernel-livepatch-5_14_21-150400_24_158-default-debuginfo
kernel-livepatch-5_14_21-150500_55_100-default-debuginfo
kernel-livepatch-5_14_21-150500_55_100-default
kernel-livepatch-SLE15-SP5_Update_25-debugsource
kernel-tools-libs-devel
kernel-tools-libs
kernel-tools
python3-perf
kernel-modules-internal
kernel-modules-extra
kernel-modules
kernel-headers
kernel-devel
kernel-debug-modules-internal
kernel-debug-modules-extra
kernel-debug-modules
kernel-debug-devel
kernel-debug-core
kernel-debug
kernel-core
kernel
bpftool
perf
kernel-rt
kernel-rt-debuginfo
kernel-rt-debugsource
kernel-source-rt
dtb-mediatek
dtb-qcom
kernel-64kb-devel
dtb-broadcom
kselftests-kmp-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
dtb-renesas
kernel-64kb-debugsource
dtb-arm
dlm-kmp-64kb
kselftests-kmp-64kb
dtb-marvell
dtb-nvidia
ocfs2-kmp-64kb-debuginfo
dtb-cavium
gfs2-kmp-64kb
cluster-md-kmp-64kb-debuginfo
kernel-64kb
dtb-amazon
dtb-amlogic
dtb-hisilicon
kernel-64kb-debuginfo
dtb-freescale
dtb-allwinner
cluster-md-kmp-64kb
dtb-exynos
dtb-socionext
ocfs2-kmp-64kb
dtb-amd
kernel-64kb-optional-debuginfo
dtb-altera
kernel-64kb-devel-debuginfo
dtb-sprd
dtb-xilinx
kernel-source-vanilla
kernel-default-optional-debuginfo
ocfs2-kmp-default
ocfs2-kmp-default-debuginfo
kernel-default-optional
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-devel
kernel-debug-debuginfo
kernel-debug-devel-debuginfo
kernel-debug-debugsource
kernel-docs-html
kernel-obs-build
kernel-docs
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
kernel-source
kernel-macros
kernel-syms
kernel-default-debugsource
kernel-default-devel
kernel-default-debuginfo
kernel-default-devel-debuginfo
kernel-default
kernel-obs-build-debugsource
kernel-64kb-optional
kernel-64kb-extra-debuginfo
dtb-rockchip
dtb-apple
dtb-apm
dlm-kmp-64kb-debuginfo
reiserfs-kmp-64kb
kernel-64kb-extra
dtb-lg
dtb-aarch64
kernel-kvmsmall
kernel-default-livepatch-devel
cluster-md-kmp-default
reiserfs-kmp-64kb-debuginfo
kernel-default-extra
kernel-default-livepatch
dlm-kmp-default
reiserfs-kmp-default-debuginfo
gfs2-kmp-default
kselftests-kmp-default
reiserfs-kmp-default
kernel-obs-qa
cluster-md-kmp-default-debuginfo
kernel-default-extra-debuginfo
kselftests-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
dlm-kmp-default-debuginfo
kernel-default-base
kernel-default-base-rebuild
kernel-rt_debug-devel-debuginfo
kselftests-kmp-rt
cluster-md-kmp-rt
dlm-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-rt-extra-debuginfo
kselftests-kmp-rt-debuginfo
kernel-rt_debug-debuginfo
gfs2-kmp-rt-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-rt-optional
kernel-rt_debug-vdso-debuginfo
kernel-rt-livepatch-devel
kernel-rt_debug-vdso
kernel-rt-devel-debuginfo
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-debugsource
kernel-rt-optional-debuginfo
kernel-devel-rt
dlm-kmp-rt
kernel-syms-rt
reiserfs-kmp-rt
kernel-rt-devel
kernel-rt_debug-devel
kernel-rt_debug
kernel-rt-livepatch
gfs2-kmp-rt
kernel-rt-extra
kernel-rt-vdso-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-vdso
kernel-default-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-default-vdso-debuginfo
kernel-debug-vdso-debuginfo
kernel-debug-vdso

Install update from vendor's website.

Linux kernel - addressed in versions 5.17.13, 5.18.2, 5.19
kernel-livepatch-SLE15-SP4_Update_38-debugsource - update to 1-150400.9.3.1
kernel-livepatch-5_14_21-150400_24_158-default - update to 1-150400.9.3.1
kernel-livepatch-5_14_21-150400_24_158-default-debuginfo - update to 1-150400.9.3.1
kernel-livepatch-5_14_21-150500_55_100-default-debuginfo - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_100-default - update to 1-150500.11.3.1
kernel-livepatch-SLE15-SP5_Update_25-debugsource - update to 1-150500.11.3.1
kernel-tools-libs-devel - update to 5.10.134-19
kernel-tools-libs - update to 5.10.134-19
kernel-tools - update to 5.10.134-19
python3-perf - update to 5.10.134-19
kernel-modules-internal - update to 5.10.134-19
kernel-modules-extra - update to 5.10.134-19
kernel-modules - update to 5.10.134-19
kernel-headers - update to 5.10.134-19
kernel-devel - update to 5.10.134-19
kernel-debug-modules-internal - update to 5.10.134-19
kernel-debug-modules-extra - update to 5.10.134-19
kernel-debug-modules - update to 5.10.134-19
kernel-debug-devel - update to 5.10.134-19
kernel-debug-core - update to 5.10.134-19
kernel-debug - update to 5.10.134-19
kernel-core - update to 5.10.134-19
kernel - update to 5.10.134-19
bpftool - update to 5.10.134-19
perf - update to 5.10.134-19
kernel-rt - addressed in versions 5.14.21-150400.15.115.1, 5.14.21-150500.13.91.1
kernel-rt-debuginfo - addressed in versions 5.14.21-150400.15.115.1, 5.14.21-150500.13.91.1
kernel-rt-debugsource - addressed in versions 5.14.21-150400.15.115.1, 5.14.21-150500.13.91.1
kernel-source-rt - addressed in versions 5.14.21-150400.15.115.1, 5.14.21-150500.13.91.1
dtb-mediatek - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-qcom - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-devel - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-broadcom - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kselftests-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
gfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-renesas - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-debugsource - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-arm - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dlm-kmp-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kselftests-kmp-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-marvell - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-nvidia - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
ocfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-cavium - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
gfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
cluster-md-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-amazon - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-amlogic - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-hisilicon - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-freescale - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-allwinner - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
cluster-md-kmp-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-exynos - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-socionext - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
ocfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-amd - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-optional-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-altera - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-devel-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-sprd - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-xilinx - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-source-vanilla - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-optional-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
ocfs2-kmp-default - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
ocfs2-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-optional - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-kvmsmall-debugsource - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-kvmsmall-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-kvmsmall-devel-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-kvmsmall-devel - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-debug-devel - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-debug-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-debug-devel-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-debug-debugsource - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-debug - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-docs-html - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-obs-build - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-docs - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-zfcpdump-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-zfcpdump-debugsource - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-zfcpdump - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-source - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-macros - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-devel - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-syms - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-debugsource - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-devel - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-devel-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-obs-build-debugsource - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-optional - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-extra-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-rockchip - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-apple - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-apm - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dlm-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
reiserfs-kmp-64kb - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-extra - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-lg - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dtb-aarch64 - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-kvmsmall - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-livepatch-devel - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
cluster-md-kmp-default - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
reiserfs-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-extra - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dlm-kmp-default - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
reiserfs-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
gfs2-kmp-default - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kselftests-kmp-default - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
reiserfs-kmp-default - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-obs-qa - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
cluster-md-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-extra-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kselftests-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
gfs2-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dlm-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-default-base - addressed in versions 5.14.21-150400.24.158.1.150400.24.78.1, 5.14.21-150500.55.100.1.150500.6.47.1
kernel-default-base-rebuild - addressed in versions 5.14.21-150400.24.158.1.150400.24.78.1, 5.14.21-150500.55.100.1.150500.6.47.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.91.1
kselftests-kmp-rt - update to 5.14.21-150500.13.91.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.91.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.91.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.91.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.91.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.91.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.91.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt-optional - update to 5.14.21-150500.13.91.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.91.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.91.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.91.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.91.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.91.1
kernel-devel-rt - update to 5.14.21-150500.13.91.1
dlm-kmp-rt - update to 5.14.21-150500.13.91.1
kernel-syms-rt - update to 5.14.21-150500.13.91.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.91.1
kernel-rt-devel - update to 5.14.21-150500.13.91.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.91.1
kernel-rt_debug - update to 5.14.21-150500.13.91.1
kernel-rt-livepatch - update to 5.14.21-150500.13.91.1
gfs2-kmp-rt - update to 5.14.21-150500.13.91.1
kernel-rt-extra - update to 5.14.21-150500.13.91.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.91.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.91.1
kernel-rt-vdso - update to 5.14.21-150500.13.91.1
kernel-default-vdso - update to 5.14.21-150500.55.100.1
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.100.1
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.100.1
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.100.1
kernel-debug-vdso-debuginfo - update to 5.14.21-150500.55.100.1
kernel-debug-vdso - update to 5.14.21-150500.55.100.1

• https://git.kernel.org/stable/c/38b888911e8dc89b89d8147cfb1d2dbe6373bf78
• https://git.kernel.org/stable/c/8089e5e1d18402fb8152d6b6815450a36fffa9b0
• https://git.kernel.org/stable/c/f122dfe4476890d60b8c679128cd2259ec96a24c
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.13
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.2
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19

• Input validation error in Linux kernel kvm mmu
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• Anolis OS update for kernel:5.10