In the Linux kernel, the following vulnerability has been resolved:
KVM: s390: vsie: zero stale crypto bits
When shadowing crypto access bits from a format0 apcb (crycb 0 or 1), the bits 64..255 are unchanged from whatever is in the vsie page in the crycb and thus in the apcb. This gives a nested guest potential access to a device no longer available. Zero out the remaining bits.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-rt-64k-debug-coreUpgrade rvUpgrade kernel-64k-debug-modulesUpgrade kernel-64kUpgrade kernel-debug-modules-coreUpgrade kernel-rt-64k-debug-modules-extraUpgrade kernel-rt-coreUpgrade kernel-zfcpdump-coreUpgrade python3-perfUpgrade kernel-64k-debugUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-rtUpgrade kernel-64k-debug-coreUpgrade kernel-develUpgrade kernel-rt-64k-debug-develUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-toolsUpgrade kernel-64k-devel-matchedUpgrade kernel-rt-modules-extraUpgrade kernel-modules-extra-matchedUpgrade kernel-rt-debug-coreUpgrade kernelUpgrade kernel-rt-debugUpgrade kernel-64k-coreUpgrade kernel-cross-headersUpgrade kernel-rt-64kUpgrade kernel-debug-modulesUpgrade kernel-tools-libs-develUpgrade kernel-tools-libsUpgrade kernel-rt-64k-debugUpgrade bpftoolUpgrade kernel-rt-64k-develUpgrade kernel-rt-develUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-rt-64k-coreUpgrade kernel-rt-64k-modulesUpgrade kernel-64k-modulesUpgrade kernel-64k-debug-develUpgrade kernel-uki-virt-addonsUpgrade kernel-debug-develUpgrade kernel-debug-coreUpgrade kernel-headersUpgrade kernel-rt-64k-debug-modulesUpgrade kernel-64k-modules-coreUpgrade kernel-64k-modules-extraUpgrade kernel-devel-matchedUpgrade kernel-coreUpgrade perfUpgrade rtlaUpgrade kernel-rt-64k-debug-modules-coreUpgrade kernel-debugUpgrade kernel-docUpgrade kernel-debug-uki-virtUpgrade kernel-rt-64k-modules-extraUpgrade kernel-zfcpdump-develUpgrade kernel-rt-debug-modules-extraUpgrade kernel-64k-debug-modules-extraUpgrade kernel-rt-modulesUpgrade kernel-rt-modules-coreUpgrade kernel-rt-debug-develUpgrade kernel-modulesUpgrade kernel-modules-coreUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-rt-64k-modules-coreUpgrade kernel-debug-modules-extraUpgrade libperfUpgrade kernel-64k-develUpgrade kernel-abi-stablelistsUpgrade kernel-modules-extraUpgrade kernel-64k-debug-modules-coreUpgrade kernel-zfcpdump-modulesUpgrade kernel-zfcpdumpUpgrade kernel-uki-virtUpgrade kernel-rt-debug-modulesUpgrade kernel-debug-devel-matchedUpgrade kernel-rt-debug-modules-core | Oct 11, 2026 | Oct 5, 2026 |
| Debian | — | Upgrade linux-6.12Upgrade linux | Sep 21, 2026 | Sep 9, 2026 |
| Oracle_linux | — | Upgrade kernel | Oct 22, 2026 | Sep 9, 2026 |
| Redhat Openshift | — | Upgrade ose-rhel-coreos | Oct 30, 2026 | Sep 9, 2026 |
| Redhat_linux | — | Upgrade kernel-rtNo solution existsUpgrade kernel | Oct 6, 2026 | Sep 9, 2026 |
| Rocky_linux | — | Upgrade kernel-rt-debug-coreUpgrade kernel-debug-coreUpgrade kernel-rt-modules-extraUpgrade kernel-debug-develUpgrade kernel-rt-debug-develUpgrade python3-perfUpgrade kernel-debug-modulesUpgrade kernel-rt-debug-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-tools-libs-develUpgrade kernel-tools-debuginfoUpgrade kernel-debugUpgrade kernel-rt-coreUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-debug-kvmUpgrade kernel-debuginfoUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade bpftoolUpgrade perf-debuginfoUpgrade kernel-rt-debugUpgrade kernel-rt-debug-modulesUpgrade kernel-rtUpgrade kernel-rt-kvmUpgrade kernel-rt-develUpgrade kernel-debug-debuginfoUpgrade perfUpgrade kernel-coreUpgrade kernel-debug-modules-extraUpgrade kernel-rt-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-modulesUpgrade kernel-rt-modulesUpgrade kernel-develUpgrade kernel-modules-extraUpgrade kernel-rt-debug-modules-extra | Oct 7, 2026 | Oct 6, 2026 |
| Ubuntu | — | Upgrade linux-awsUpgrade linux-oem-7.0Upgrade linux-hwe-5.15Upgrade linux-hwe-7.0Upgrade linux-realtimeUpgrade linux-intel-iot-realtimeUpgrade linux-azure-fdeUpgrade linux-gcpUpgrade linux-gcp-fipsUpgrade linux-bluefieldUpgrade linux-lowlatency-hwe-5.15Upgrade linux-azureUpgrade linux-aws-5.15Upgrade linuxUpgrade linux-nvidia-tegra-5.15Upgrade linux-oracle-5.15Upgrade linux-intel-iotgUpgrade linux-azure-5.15Upgrade linux-nvidia-tegra-igxUpgrade linux-azure-fde-5.15Upgrade linux-fipsUpgrade linux-riscv-7.0Upgrade linux-riscv-5.15Upgrade linux-kvmUpgrade linux-lowlatencyUpgrade linux-intel-iotg-5.15Upgrade linux-ibmUpgrade linux-riscvUpgrade linux-gcp-5.15Upgrade linux-ibm-5.15Upgrade linux-gkeUpgrade linux-azure-fipsUpgrade linux-aws-fipsUpgrade linux-gkeopUpgrade linux-oracleUpgrade linux-nvidia-tegraUpgrade linux-nvidia | Nov 3, 2026 | Sep 9, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 21, 2026 | Sep 9, 2026 |
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