Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.
CVSS Details
- CVSS 4.0 Base Score: 7.3 (HIGH)
- CVSS 4.0 Vector: (CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)
- CVSS 3.1 Base Score: 7
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-rt-modules-extraUpgrade kernelUpgrade kernel-rt-coreUpgrade kernel-docUpgrade kernel-develUpgrade kernel-rt-debug-modules-extraUpgrade kernel-tools-libs-develUpgrade kernel-rt-debug-develUpgrade perfUpgrade kernel-debug-develUpgrade kernel-cross-headersUpgrade python3-perfUpgrade kernel-debugUpgrade kernel-headersUpgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade kernel-debug-modules-extraUpgrade kernel-rt-modulesUpgrade kernel-zfcpdump-develUpgrade kernel-debug-modulesUpgrade kernel-rtUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-debug-coreUpgrade kernel-coreUpgrade kernel-tools-libsUpgrade kernel-rt-debug-coreUpgrade kernel-modulesUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-debugUpgrade kernel-modules-extraUpgrade kernel-rt-develUpgrade kernel-zfcpdump-modulesUpgrade kernel-zfcpdumpUpgrade kernel-toolsUpgrade kernel-zfcpdump-core | Aug 6, 2026 | Aug 6, 2026 |
| Alpine Linux | — | Upgrade xen | May 20, 2026 | May 15, 2026 |
| Debian | — | Upgrade xen | Aug 11, 2026 | Aug 11, 2026 |
| Microsoft Windows | — | 2026-05 Cumulative Update for Microsoft Windows Server 2016, version 1607 (KB5087537)2026-06 Cumulative Update for Microsoft Windows 10, version 22H2 (KB5094127)2026-05 Cumulative Update for Microsoft Windows Server 2025, version 24H2 (KB5087539)2026-05 Cumulative Update for Microsoft Windows 11, version 23H2 (KB5087420)2026-05 Cumulative Update for Microsoft Windows 10, version 1607 (KB5087537)2026-05 Cumulative Update for Microsoft Windows 11, version 25H2 (KB5089549)2026-05 Cumulative Update for Microsoft Windows Server 2022, version 23H2 (KB5087541)2026-05 Cumulative Update for Microsoft Windows 10, version 21H2 (KB5087544)2026-05 Cumulative Update for Microsoft Windows Server 2022, version 22H2 (KB5087545)2026-05 Cumulative Update for Microsoft Windows 10, version 22H2 (KB5087544)2026-06 Cumulative Update for Microsoft Windows 11, version 23H2 (KB5093998)2026-05 Cumulative Update for Microsoft Windows 11, version 24H2 (KB5089549)2026-05 Cumulative Update for Microsoft Windows Server 2022, version 21H2 (KB5087545)2026-05 Cumulative Update for Microsoft Windows 11, version 26H1 (KB5089548)2026-05 Cumulative Update for Microsoft Windows Server 2019, version 1809 (KB5087538)2026-05 Cumulative Update for Microsoft Windows 10, version 1809 (KB5087538) | May 12, 2026 | May 12, 2026 |
| Redhat Openshift | — | Upgrade rhcos | Aug 19, 2026 | May 15, 2026 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernel | Jul 17, 2026 | May 15, 2026 |
| Rocky_linux | — | Upgrade rvUpgrade kernel-rt-debugUpgrade libperf-debuginfoUpgrade perfUpgrade kernel-rtUpgrade kernel-toolsUpgrade kernel-rt-debug-modules-extraUpgrade kernel-uki-virt-addonsUpgrade bpftoolUpgrade kernel-rt-debug-debuginfoUpgrade kernel-rt-modules-extraUpgrade kernel-rt-debug-modules-coreUpgrade kernel-debug-modules-coreUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-rt-modulesUpgrade kernel-rt-kvmUpgrade python3-perf-debuginfoUpgrade kernel-tools-libsUpgrade kernel-develUpgrade python3-perfUpgrade kernel-tools-libs-develUpgrade kernel-debug-uki-virtUpgrade kernel-rt-debug-coreUpgrade kernel-rt-develUpgrade kernel-rt-debuginfoUpgrade kernel-uki-virtUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-devel-matchedUpgrade kernel-debug-debuginfoUpgrade kernel-rt-coreUpgrade bpftool-debuginfoUpgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-coreUpgrade kernel-modules-coreUpgrade kernel-debug-devel-matchedUpgrade kernel-debug-coreUpgrade kernel-rt-debug-kvmUpgrade kernel-rt-debug-develUpgrade kernel-debug-modules-extraUpgrade kernel-rt-modules-coreUpgrade kernel-rt-debug-modulesUpgrade kernel-debugUpgrade libperfUpgrade kernel-modulesUpgrade kernelUpgrade kernel-debuginfoUpgrade kernel-modules-extraUpgrade kernel-debug-modulesUpgrade kernel-debug-develUpgrade rtla | Aug 10, 2026 | Aug 7, 2026 |
| Ubuntu | — | Upgrade linux-image-oem-20.04Upgrade linux-image-7.0.0-1014-azureUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-realtime-5.15Upgrade linux-image-oracle-6.8Upgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-realtimeUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-gkeop-5.15Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-raspi-7.0Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-azure-6.8Upgrade linux-image-aws-64k-7.0Upgrade linux-image-6.8.0-136-fipsUpgrade linux-image-oracleUpgrade linux-image-6.8.0-1064-gcpUpgrade linux-image-xilinx-6.8Upgrade linux-image-gke-64k-7.0Upgrade linux-image-gkeUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-7.0.0-1010-ibmUpgrade linux-image-5.15.0-1109-oracleUpgrade linux-image-6.8.0-136-generic-64kUpgrade linux-image-6.8.0-1061-awsUpgrade linux-image-6.8.0-1063-azure-fipsUpgrade linux-image-6.8.0-1063-azureUpgrade linux-image-6.8.0-1061-ibmUpgrade linux-image-5.15.0-184-lowlatencyUpgrade linux-image-5.15.0-1117-azure-fipsUpgrade linux-image-5.15.0-1117-azureUpgrade linux-image-5.15.0-1064-nvidia-tegraUpgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-nvidia-bos-7.0Upgrade linux-image-lowlatency-5.15Upgrade linux-image-laptop-23.10Upgrade linux-image-generic-64k-5.15Upgrade linux-image-generic-5.15Upgrade linux-image-azure-fips-5.15Upgrade linux-image-aws-7.0Upgrade linux-image-6.8.1-1056-realtimeUpgrade linux-image-lowlatency-6.8Upgrade linux-image-gcp-fips-5.15Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-aws-fips-5.15Upgrade linux-image-5.15.0-1075-xilinx-zynqmpUpgrade linux-image-6.8.0-136-lowlatency-64kUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-6.8.0-1062-azure-fdeUpgrade linux-image-5.15.0-184-lowlatency-64kUpgrade linux-image-oem-22.04dUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1061-aws-64kUpgrade linux-image-6.8.0-1059-nvidiaUpgrade linux-image-nvidia-6.8Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-gke-7.0Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-7.0.0-1008-gcp-64kUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-genericUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-fipsUpgrade linux-image-azure-fde-5.15Upgrade linux-image-azure-cvmUpgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-5.15.0-1112-gcp-fipsUpgrade linux-image-5.15.0-1053-nvidia-tegra-igxUpgrade linux-image-raspi-nolpaeUpgrade linux-image-raspiUpgrade linux-image-oem-24.04Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-ibm-5.15Upgrade linux-image-gke-64k-6.8Upgrade linux-image-generic-lpae-5.15Upgrade linux-image-5.15.0-1107-nvidia-lowlatencyUpgrade linux-image-gkeopUpgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-nvidia-bos-64kUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-oem-26.04aUpgrade linux-image-5.15.0-186-fipsUpgrade linux-image-kvm-5.15Upgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-xilinxUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-fips-5.15Upgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1061-raspiUpgrade linux-image-6.8.0-1033-xilinxUpgrade linux-image-oem-26.04Upgrade linux-image-5.15.0-186-generic-lpaeUpgrade linux-image-6.8.0-1058-oracleUpgrade linux-image-6.8.0-1064-gcp-fipsUpgrade linux-image-5.15.0-1112-aws-64kUpgrade linux-image-5.15.0-1117-azure-fdeUpgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-gcpUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-aws-64k-6.8Upgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-6.8.0-1061-aws-fipsUpgrade linux-image-6.8.0-1058-oracle-64kUpgrade linux-image-6.8.0-1046-gkeopUpgrade linux-image-5.15.0-1106-raspiUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-oem-20.04dUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-azure-lts-22.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-6.8.0-1059-nvidia-lowlatencyUpgrade linux-image-5.15.0-1064-nvidia-tegra-rtUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-oem-24.04bUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-5.15.0-186-genericUpgrade linux-image-5.15.0-1104-kvmUpgrade linux-image-azure-fdeUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-nvidia-5.15Upgrade linux-image-azure-fipsUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-6.8.0-1064-gcp-64kUpgrade linux-image-virtual-7.0Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-nvidia-7.0Upgrade linux-image-gkeop-6.8Upgrade linux-image-7.0.0-28-realtime-64kUpgrade linux-image-6.8.0-1059-gke-64kUpgrade linux-image-6.8.0-1030-nvidia-tegraUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-oracle-64kUpgrade linux-image-oem-24.04cUpgrade linux-image-gke-64kUpgrade linux-image-nvidiaUpgrade linux-image-gke-5.15Upgrade linux-image-gcp-7.0Upgrade linux-image-azure-lts-24.04Upgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-7.0.0-1008-oracleUpgrade linux-image-5.15.0-1112-gcpUpgrade linux-image-oracle-5.15Upgrade linux-image-oem-22.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-5.15.0-1112-aws-fipsUpgrade linux-image-6.8.0-1059-nvidia-64kUpgrade linux-image-generic-64k-6.8Upgrade linux-image-kvmUpgrade linux-image-5.15.0-1111-realtimeUpgrade linux-image-7.0.0-1009-oemUpgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-virtualUpgrade linux-image-oem-22.04bUpgrade linux-image-oem-20.04bUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-ibm-7.0Upgrade linux-image-azure-7.0Upgrade linux-image-aws-fips-6.8Upgrade linux-image-5.15.0-1112-awsUpgrade linux-image-5.15.0-1108-gkeUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-oracle-7.0Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-1059-gkeUpgrade linux-image-oem-22.04aUpgrade linux-image-aws-64k-5.15Upgrade linux-image-lowlatency-64kUpgrade linux-image-generic-6.8Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-ibm-classicUpgrade linux-image-ibmUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-azure-fde-7.0Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-7.0.0-1015-raspi-realtimeUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-6.8.0-136-genericUpgrade linux-image-6.8.0-1059-nvidia-lowlatency-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-oem-24.04dUpgrade linux-image-nvidia-tegraUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-fips-6.8Upgrade linux-image-6.8.0-136-lowlatencyUpgrade linux-image-gcp-fipsUpgrade linux-image-oem-24.04aUpgrade linux-image-lowlatencyUpgrade linux-image-aws-lts-22.04Upgrade linux-image-aws-6.8Upgrade linux-image-7.0.0-1009-awsUpgrade linux-image-7.0.0-1003-gkeUpgrade linux-image-5.15.0-1104-intel-iot-realtimeUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-186-generic-64kUpgrade linux-image-azure-fips-6.8Upgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-ibm-6.8Upgrade linux-image-generic-lpaeUpgrade linux-image-generic-64k | Jul 20, 2026 | May 15, 2026 |
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