Processor optimization removal or modification of security-critical code in Linux kernel - CVE-2023-3006

Vulnerability identifier: #VU77247

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-2023-3006

CWE-ID: CWE-1037

Exploitation vector: Local access

Exploit availability: No public exploit available

Affected software:
Linux kernel
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Manager Proxy
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
openSUSE Leap Micro
Anolis OS
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Ubuntu
Public Cloud Module
Basesystem Module
Development Tools Module
Legacy Module
SUSE Linux Enterprise Live Patching
SUSE Real Time Module
openSUSE Leap
openEuler
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
linux-image-gcp (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-raspi-hwe-18.04 (Ubuntu package)
linux-image-4.15.0-1129-oracle (Ubuntu package)
linux-image-4.15.0-1150-kvm (Ubuntu package)
linux-image-4.15.0-1166-aws (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-4.15.0-1175-azure (Ubuntu package)
linux-image-aws-hwe (Ubuntu package)
linux-image-azure-lts-18.04 (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-5.4.0-1063-ibm (Ubuntu package)
linux-image-gcp-lts-18.04 (Ubuntu package)
linux-image-4.15.0-1160-gcp (Ubuntu package)
linux-image-virtual-hwe-16.04 (Ubuntu package)
linux-image-oem (Ubuntu package)
linux-image-lowlatency-hwe-16.04 (Ubuntu package)
linux-image-generic-hwe-16.04 (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-oracle-lts-18.04 (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-aws-lts-18.04 (Ubuntu package)
linux-image-4.15.0-223-lowlatency (Ubuntu package)
linux-image-4.15.0-223-generic (Ubuntu package)
linux-image-5.4.0-1115-oracle (Ubuntu package)
linux-image-virtual-hwe-18.04 (Ubuntu package)
linux-image-snapdragon-hwe-18.04 (Ubuntu package)
linux-image-lowlatency-hwe-18.04 (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-generic-hwe-18.04 (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-oem-osp1 (Ubuntu package)
linux-image-5.4.0-169-lowlatency (Ubuntu package)
linux-image-5.4.0-169-generic (Ubuntu package)
linux-image-5.4.0-1121-azure (Ubuntu package)
linux-image-5.4.0-1120-gcp (Ubuntu package)
linux-image-5.4.0-1116-aws (Ubuntu package)
linux-image-5.4.0-1100-raspi (Ubuntu package)
kernel-livepatch-5_14_21-150400_15_37-rt-debuginfo
kernel-livepatch-5_14_21-150400_15_37-rt
kernel-livepatch-SLE15-SP4-RT_Update_8-debugsource
kernel-livepatch-5_14_21-150400_24_66-default
kernel-livepatch-SLE15-SP4_Update_13-debugsource
kernel-livepatch-5_14_21-150400_24_66-default-debuginfo
kernel-livepatch-SLE15-SP5-RT_Update_1-debugsource
kernel-livepatch-5_14_21-150500_13_5-rt-debuginfo
kernel-livepatch-5_14_21-150500_13_5-rt
kernel-livepatch-SLE15-SP5_Update_1-debugsource
kernel-livepatch-5_14_21-150500_55_7-default
kernel-livepatch-5_14_21-150500_55_7-default-debuginfo
kernel (Red Hat package)
perf
kernel-debuginfo
kernel-tools-debuginfo
python2-perf-debuginfo
kernel-tools
kernel-devel
perf-debuginfo
bpftool
kernel-debugsource
bpftool-debuginfo
python2-perf
kernel-source
kernel-tools-devel
python3-perf-debuginfo
python3-perf
kernel
kernel-debug
kernel-core
python-perf
kernel-tools-libs-devel
kernel-tools-libs
kernel-headers
kernel-debug-devel
kernel-debug-core
kernel-modules-internal
kernel-modules
kernel-debug-modules-extra
kernel-debug-modules
kernel-modules-extra
linux-image-generic-lpae (Ubuntu package)
linux-image-5.4.0-169-generic-lpae (Ubuntu package)
linux-image-5.4.0-1028-iot (Ubuntu package)
linux-image-xilinx-zynqmp (Ubuntu package)
linux-image-5.4.0-1035-xilinx-zynqmp (Ubuntu package)
linux-image-ibm-lts-20.04 (Ubuntu package)
linux-image-bluefield (Ubuntu package)
linux-image-5.4.0-1076-bluefield (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-gkeop-5.4 (Ubuntu package)
linux-image-5.4.0-1083-gkeop (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-raspi2 (Ubuntu package)
linux-image-5.4.0-1104-kvm (Ubuntu package)
linux-image-oracle-lts-20.04 (Ubuntu package)
linux-image-aws-lts-20.04 (Ubuntu package)
linux-image-gcp-lts-20.04 (Ubuntu package)
linux-image-azure-lts-20.04 (Ubuntu package)
gfs2-kmp-azure-debuginfo
gfs2-kmp-azure
kernel-source-azure
kernel-devel-azure
kernel-azure
kernel-azure-devel-debuginfo
kernel-azure-optional-debuginfo
reiserfs-kmp-azure
kernel-azure-optional
reiserfs-kmp-azure-debuginfo
ocfs2-kmp-azure
cluster-md-kmp-azure
ocfs2-kmp-azure-debuginfo
kernel-azure-extra-debuginfo
cluster-md-kmp-azure-debuginfo
kselftests-kmp-azure-debuginfo
kernel-azure-debuginfo
kernel-azure-extra
kernel-azure-devel
kernel-azure-livepatch-devel
kernel-syms-azure
dlm-kmp-azure
kernel-azure-debugsource
dlm-kmp-azure-debuginfo
kselftests-kmp-azure
kernel-source-rt
kernel-devel-rt
kernel-syms-rt
kernel-rt-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-rt-devel-debuginfo
dlm-kmp-rt-debuginfo
kernel-rt_debug-debuginfo
kernel-rt_debug-devel-debuginfo
kernel-rt_debug-debugsource
gfs2-kmp-rt
kernel-rt_debug-devel
kernel-rt-devel
ocfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
gfs2-kmp-rt-debuginfo
dlm-kmp-rt
kernel-rt_debug
cluster-md-kmp-rt
kernel-rt
kernel-rt-debugsource
dtb-exynos
kernel-64kb-optional-debuginfo
cluster-md-kmp-64kb-debuginfo
dtb-renesas
gfs2-kmp-64kb-debuginfo
kselftests-kmp-64kb
dtb-qcom
dtb-arm
dlm-kmp-64kb
ocfs2-kmp-64kb
dlm-kmp-64kb-debuginfo
ocfs2-kmp-64kb-debuginfo
gfs2-kmp-64kb
kernel-64kb-devel-debuginfo
dtb-hisilicon
dtb-nvidia
dtb-cavium
dtb-lg
kernel-64kb-devel
dtb-rockchip
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
kernel-kvmsmall
dtb-apple
kernel-64kb
dtb-aarch64
dtb-socionext
dtb-allwinner
kselftests-kmp-64kb-debuginfo
kernel-64kb-extra-debuginfo
dtb-amazon
kernel-64kb-debugsource
reiserfs-kmp-64kb-debuginfo
dtb-amd
dtb-altera
kernel-64kb-extra
kernel-64kb-optional
cluster-md-kmp-64kb
reiserfs-kmp-64kb
dtb-sprd
dtb-marvell
kernel-64kb-livepatch-devel
dtb-mediatek
dtb-apm
dtb-amlogic
dtb-xilinx
dtb-freescale
dtb-broadcom
kernel-64kb-debuginfo
ocfs2-kmp-default-debuginfo
reiserfs-kmp-default
kselftests-kmp-default
kernel-default-devel
ocfs2-kmp-default
kernel-obs-build-debugsource
cluster-md-kmp-default-debuginfo
kselftests-kmp-default-debuginfo
dlm-kmp-default
kernel-default-optional-debuginfo
kernel-default-livepatch
kernel-obs-build
dlm-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
reiserfs-kmp-default-debuginfo
kernel-default-optional
kernel-obs-qa
kernel-default-extra-debuginfo
gfs2-kmp-default
kernel-debug-devel-debuginfo
kernel-debug-debuginfo
kernel-default-devel-debuginfo
kernel-source-vanilla
kernel-macros
kernel-kvmsmall-debuginfo
kernel-kvmsmall-livepatch-devel
kernel-kvmsmall-devel
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel-debuginfo
kernel-debug-debugsource
kernel-debug-livepatch-devel
kernel-default
kernel-default-debuginfo
kernel-default-debugsource
kernel-default-livepatch-devel
kernel-default-extra
cluster-md-kmp-default
kernel-syms
kernel-default-base-rebuild
kernel-default-base
kernel-docs
kernel-docs-html
kernel-rt-livepatch-devel
kernel-rt-vdso
kernel-rt-livepatch
kernel-rt-optional
kernel-rt_debug-livepatch-devel
reiserfs-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-extra-debuginfo
kernel-rt_debug-vdso
reiserfs-kmp-rt
kernel-rt-optional-debuginfo
kernel-rt-extra
kernel-rt_debug-vdso-debuginfo
kselftests-kmp-rt-debuginfo
kselftests-kmp-rt
kernel-azure-vdso-debuginfo
kernel-azure-vdso
kernel-debug-vdso
kernel-default-vdso-debuginfo
kernel-debug-vdso-debuginfo
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-default-vdso
ObjectScale
Storage Protect Plus Server
Red Hat OpenShift Container Platform
Dell EMC VxRail Appliance

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

The vulnerability exists due to a known cache speculation vulnerability (Spectre-BHB) for the new hw AmpereOne. A local user can gain access to sensitive information.

Install updates from vendor's website.

• https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/commit/?id=0e5d5ae837c8