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-develUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-develUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-modules-extraUpgrade kernel-rtUpgrade kernel-rt-debugUpgrade kernel-toolsUpgrade python3-perfUpgrade kernel-rt-debug-coreUpgrade kernelUpgrade kernel-rt-coreUpgrade kernel-cross-headersUpgrade kernel-debug-modulesUpgrade kernel-tools-libs-develUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-docUpgrade kernel-debug-modules-extraUpgrade kernel-headersUpgrade kernel-zfcpdumpUpgrade kernel-rt-modulesUpgrade kernel-zfcpdump-develUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-debug-develUpgrade kernel-zfcpdump-modulesUpgrade kernel-coreUpgrade kernel-abi-stablelistsUpgrade perfUpgrade kernel-modulesUpgrade kernel-modules-extraUpgrade kernel-debugUpgrade kernel-rt-debug-modulesUpgrade kernel-debug-coreUpgrade kernel-debug-devel | Oct 11, 2026 | Oct 5, 2026 |
| Debian | — | Upgrade linuxUpgrade linux-6.12 | Sep 21, 2026 | Sep 9, 2026 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rtNo solution exists | Oct 6, 2026 | Sep 9, 2026 |
| Rocky_linux | — | Upgrade kernel-rt-kvmUpgrade kernel-develUpgrade kernel-debug-modules-extraUpgrade kernel-modules-extraUpgrade kernel-debug-debuginfoUpgrade kernel-rt-develUpgrade perfUpgrade bpftool-debuginfoUpgrade kernel-rt-modulesUpgrade kernel-modulesUpgrade kernel-rtUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-coreUpgrade kernel-rt-debugUpgrade perf-debuginfoUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-debuginfoUpgrade kernel-debug-coreUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-debug-kvmUpgrade kernel-rt-modules-extraUpgrade kernel-debug-develUpgrade kernel-tools-debuginfoUpgrade kernel-rt-debug-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-tools-libs-develUpgrade kernelUpgrade kernel-rt-debug-develUpgrade kernel-debuginfoUpgrade kernel-debugUpgrade kernel-rt-debug-coreUpgrade kernel-debug-modulesUpgrade python3-perfUpgrade kernel-rt-coreUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-tools-libs | Oct 7, 2026 | Oct 6, 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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