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OpenAdvisories
Medium · 5.5 CVE-2023-1637 EUVD-2023-23866GHSA-3hpj-266f-m43f

A flaw that boot CPU could be vulnerable for the speculative execution behavior kind of attacks in the Linux kernel X86 CPU Power managemen…

Published Mar 27, 2023 · Updated Feb 19, 2025 · Assigned by redhat

Package: linux Package: linux Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-fips Package: linux-azure Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-edge Package: linux-azure-fips Package: linux-bluefield Package: linux-fips Package: linux-gcp Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.15 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.4 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-iot Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.8 Package: linux-vmware Ecosystem: Debian Ecosystem: Ubuntu

Description

A flaw that boot CPU could be vulnerable for the speculative execution behavior kind of attacks in the Linux kernel X86 CPU Power management options functionality was found in the way user resuming CPU from suspend-to-RAM. A local user could use this flaw to potentially get unauthorized access to some memory of the CPU similar to the speculative execution behavior kind of attacks.

Affected products

VendorProductAffectedFixed
— Kernel Linux kernel 5.18-rc2 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 5.17.3-1 —
Debian 13 linux 5.17.3-1 —
Debian 12 linux 5.17.3-1 —
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux +1 5.15.0-37.39 —
Ubuntu 22.04 LTS linux-aws 5.15.0-1011.14 —
Ubuntu 22.04 LTS linux-azure 5.15.0-1010.12 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1008.12 —
Ubuntu 22.04 LTS linux-gke 5.15.0-1008.10 —
Ubuntu 22.04 LTS linux-ibm 5.15.0-1007.8 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1008.11 —
Ubuntu 22.04 LTS linux-kvm 5.15.0-1010.11 —
Ubuntu 22.04 LTS linux-oem-5.17 5.17.0-1004.4 —
Ubuntu 22.04 LTS linux-oracle 5.15.0-1009.12 —
Ubuntu 22.04 LTS linux-raspi 5.15.0-1011.13 —
Ubuntu 22.04 LTS linux-riscv +2 No fix yet —
Ubuntu 20.04 LTS linux 5.4.0-117.132 —
Ubuntu 20.04 LTS linux-aws +1 5.4.0-1078.84 —
Ubuntu 20.04 LTS linux-azure 5.4.0-1083.87 —
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1008.9~20.04.1 —
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1040.44 —
Ubuntu 20.04 LTS linux-gke 5.4.0-1074.79 —
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1046.48 —
Ubuntu 20.04 LTS linux-hwe-5.15 5.15.0-41.44~20.04.1 —
Ubuntu 20.04 LTS linux-ibm 5.4.0-1026.29 —
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1008.11~20.04.1 —
Ubuntu 20.04 LTS linux-iot 5.4.0-1004.6 —
Ubuntu 20.04 LTS linux-kvm 5.4.0-1068.72 —
Ubuntu 20.04 LTS linux-lowlatency-hwe-5.15 5.15.0-42.45~20.04.1 —
Ubuntu 20.04 LTS linux-oem-5.14 5.14.0-1036.40 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1076.83 —
Ubuntu 20.04 LTS linux-raspi 5.4.0-1065.75 —
Ubuntu 20.04 LTS linux-riscv +22 No fix yet —
Ubuntu 18.04 LTS linux-aws-5.4 +1 5.4.0-1078.84~18.04.1 —
Ubuntu 18.04 LTS linux-azure-5.4 5.4.0-1083.87~18.04.1 —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 18.04 LTS linux-hwe-5.4 5.4.0-117.132~18.04.1 —
Ubuntu 18.04 LTS linux-ibm-5.4 5.4.0-1028.32~18.04.1 —
Ubuntu 18.04 LTS linux-oracle-5.4 5.4.0-1076.83~18.04.1 —
Ubuntu 18.04 LTS linux-raspi-5.4 5.4.0-1065.75~18.04.1 —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1014.14 —
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips +1 5.4.0-1078.84+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1083.87+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1054.61 —
ReleasePackageFixed inAdvisory
RHEL 9 bpftool 7.0.0-284.30.1.el9_2 RHSA-2023:5069
RHEL 9 kernel-rt +14 5.14.0-284.30.1.rt14.315.el9_2 RHSA-2023:5091
RHEL 9 perf +48 5.14.0-284.30.1.el9_2 RHSA-2023:5069
RHEL 8 kernel-rt +12 4.18.0-477.27.1.rt7.290.el8_8 RHSA-2023:5255
RHEL 8 perf +26 4.18.0-477.27.1.el8_8 RHSA-2023:5244
Show 5 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Red Hat Rhev Hypervisor 4 perf +2 4.18.0-372.70.1.el8_6 RHSA-2023:4789
RHEL 8.6 EUS perf +26 4.18.0-372.70.1.el8_6 RHSA-2023:4789
RHEL 8.4 TUS kernel-rt +12 4.18.0-305.108.1.rt7.183.el8_4 RHSA-2023:5794
RHEL 8.4 TUS perf +17 4.18.0-305.108.1.el8_4 RHSA-2023:5628
RHEL 8.4 E4S perf +25 4.18.0-305.108.1.el8_4 RHSA-2023:5628
RHEL 8.4 AUS perf +17 4.18.0-305.108.1.el8_4 RHSA-2023:5628

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 9 bpftool 7.0.0-284.30.1.el9_2 ALSA-2023:5069
AlmaLinux 9 kernel-rt +13 5.14.0-284.30.1.rt14.315.el9_2 ALSA-2023:5091
AlmaLinux 9 perf +43 5.14.0-284.30.1.el9_2 ALSA-2023:5069

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 9 kernel-rt 5.14.0-284.30.1.rt14.315.el9_2 RLSA-2023:5091
ReleasePackageFixed inAdvisory
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.7.1 SUSE-SU-2023:2871-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.3.1 SUSE-SU-2023:2646-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.7.1.150500.6.2.5 SUSE-SU-2023:2871-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.60.1 SUSE-SU-2023:1897-1
SLES 15 SP4 kernel-azure +2 5.14.21-150400.14.43.1 SUSE-SU-2023:1802-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2023:1897-1
SLES 15 SP3 kernel-64kb +7 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SLES 15 SP3 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SLES 15 SP2 kernel-default-base 5.3.18-150200.24.154.1.150200.9.75.1 SUSE-SU-2023:2651-1
SLES 15 SP2 kernel-docs 5.3.18-150200.24.154.2 SUSE-SU-2023:2651-1
SLES 15 SP2 kernel-syms +4 5.3.18-150200.24.154.1 SUSE-SU-2023:2651-1
SLES 15 SP1 kernel-docs +5 4.12.14-150100.197.151.1 SUSE-SU-2023:2830-1
Show 28 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES 12 SP5 kernel-azure +2 4.12.14-16.139.1 SUSE-SU-2023:2808-1
SLES 12 SP5 kernel-docs +4 4.12.14-122.165.1 SUSE-SU-2023:2822-1
SLES 12 SP2 kernel-syms +2 4.4.121-92.208.1 SUSE-SU-2023:3324-1
SLES for SAP 15 SP3 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SLES for SAP 15 SP3 kernel-docs +5 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SLES for SAP 15 SP2 kernel-default-base 5.3.18-150200.24.154.1.150200.9.75.1 SUSE-SU-2023:2651-1
SLES for SAP 15 SP2 kernel-docs 5.3.18-150200.24.154.2 SUSE-SU-2023:2651-1
SLES for SAP 15 SP2 kernel-syms +4 5.3.18-150200.24.154.1 SUSE-SU-2023:2651-1
SLES for SAP 15 SP1 kernel-docs +4 4.12.14-150100.197.151.1 SUSE-SU-2023:2830-1
SLES for SAP 12 SP5 kernel-azure +2 4.12.14-16.139.1 SUSE-SU-2023:2808-1
SLES for SAP 12 SP5 kernel-syms +2 4.12.14-122.165.1 SUSE-SU-2023:2822-1
SLE Real Time 15 SP3 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SLE Real Time 15 SP3 kernel-docs +5 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SLE Real Time 12 SP5 kernel-rt +3 4.12.14-10.130.1 SUSE-SU-2023:2804-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.60.1 SUSE-SU-2023:1897-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2023:1897-1
SLE Micro 5.4 kernel-rt 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.60.1 SUSE-SU-2023:1897-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2023:1897-1
SLE Micro 5.3 kernel-rt 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1
SLE Micro 5.2 kernel-default 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SLE Micro 5.2 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SLE Micro 5.2 kernel-rt 5.3.18-150300.130.1 SUSE-SU-2023:2502-1
SLE Micro 5.1 kernel-default 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SLE Micro 5.1 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SLE Micro 5.1 kernel-rt 5.3.18-150300.130.1 SUSE-SU-2023:2502-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.7.1 SUSE-SU-2023:2871-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5-RT_Update_1 1-150500.11.5.1 SUSE-SU-2023:2809-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_1 1-150500.11.7.1 SUSE-SU-2023:2871-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.60.1 SUSE-SU-2023:1897-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4-RT_Update_6 1-150400.1.3.3 SUSE-SU-2023:1992-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_11 1-150400.9.3.2 SUSE-SU-2023:1897-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_33 1-150300.7.3.1 SUSE-SU-2023:2611-1
SLE Live Patching 15 SP2 kernel-default 5.3.18-150200.24.154.1 SUSE-SU-2023:2651-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_37 1-150200.5.3.1 SUSE-SU-2023:2651-1
SLE Live Patching 15 SP1 kernel-default 4.12.14-150100.197.151.1 SUSE-SU-2023:2830-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_42 1-150100.3.3.1 SUSE-SU-2023:2830-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.165.1 SUSE-SU-2023:2822-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_45 1-8.3.1 SUSE-SU-2023:2822-1
SLE HPC 15 SP3 kernel-64kb +6 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SLE HPC 15 SP3 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SLE HPC 15 SP2 kernel-default-base 5.3.18-150200.24.154.1.150200.9.75.1 SUSE-SU-2023:2651-1
SLE HPC 15 SP2 kernel-docs 5.3.18-150200.24.154.2 SUSE-SU-2023:2651-1
SLE HPC 15 SP2 kernel-syms +4 5.3.18-150200.24.154.1 SUSE-SU-2023:2651-1
SLE HPC 15 SP1 kernel-docs +4 4.12.14-150100.197.151.1 SUSE-SU-2023:2830-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.5.1 SUSE-SU-2023:2809-1
SUSE Real Time Module 15 SP4 kernel-rt +3 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1
SUSE Real Time Module 15 SP3 kernel-rt +3 5.3.18-150300.130.1 SUSE-SU-2023:2502-1
SUSE Manager Server 4.2 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SUSE Manager Server 4.2 kernel-source +3 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SUSE Manager Proxy 4.2 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SUSE Manager Proxy 4.2 kernel-source +2 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SUSE Enterprise Storage 7.1 kernel-64kb +6 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SUSE Enterprise Storage 7.1 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SUSE Enterprise Storage 7 kernel-default-base 5.3.18-150200.24.154.1.150200.9.75.1 SUSE-SU-2023:2651-1
SUSE Enterprise Storage 7 kernel-docs 5.3.18-150200.24.154.2 SUSE-SU-2023:2651-1
SUSE Enterprise Storage 7 kernel-syms +4 5.3.18-150200.24.154.1 SUSE-SU-2023:2651-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.5 dtb-aarch64 +10 5.14.21-150500.55.7.1 SUSE-SU-2023:2871-1
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.3.1 SUSE-SU-2023:2646-1
openSUSE Leap 15.5 kernel-default-base 5.14.21-150500.55.7.1.150500.6.2.5 SUSE-SU-2023:2871-1
openSUSE Leap 15.5 kernel-rt +3 5.14.21-150500.13.5.1 SUSE-SU-2023:2809-1
openSUSE Leap 15.5 kernel-vanilla 4.12.14-150100.197.151.1 SUSE-SU-2023:2830-1
openSUSE Leap 15.4 dtb-aarch64 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1, SUSE-SU-2023:1897-1
openSUSE Leap 15.4 kernel-64kb +5 5.14.21-150400.24.60.1 SUSE-SU-2023:1897-1
openSUSE Leap 15.4 kernel-azure +2 5.14.21-150400.14.43.1 SUSE-SU-2023:1802-1
openSUSE Leap 15.4 kernel-debug +4 4.12.14-150100.197.151.1 SUSE-SU-2023:2830-1, SUSE-SU-2023:1897-1
openSUSE Leap 15.4 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2023:1897-1
openSUSE Leap 15.4 kernel-rt +3 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.3 kernel-default 5.14.21-150400.24.60.1 SUSE-SU-2023:1897-1
openSUSE Leap Micro 5.3 kernel-default-base 5.14.21-150400.24.60.1.150400.24.24.3 SUSE-SU-2023:1897-1
openSUSE Leap Micro 5.3 kernel-rt 5.14.21-150400.15.23.1 SUSE-SU-2023:1992-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.1.10-15.42 1.0-0.amzn2023 ALAS2023-2023-070
Amazon Linux 2023 perf +12 6.1.10-15.42.amzn2023 ALAS2023-2023-070
Amazon Linux 2 kernel-livepatch-4.14.276-211.499 1.0-0.amzn2 ALAS2-2024-2569, ALAS2-2022-1793
Amazon Linux 2 perf +8 4.14.276-211.499.amzn2 ALAS2-2024-2569, ALAS2-2022-1793

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 bpftool 7.0.0-284.30.0.1.el9_2 ELSA-2023-5069
Oracle Linux 9 perf +25 5.14.0-284.30.0.1.el9_2 ELSA-2023-5069

Advisories 30

References