CVE-2026-46032 KVM: nSVM: Triple fault if restore host CR3 fails on nested #VMEXIT

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Triple fault if restore host CR3 fails on nested VMEXIT If loading L1's CR3 fails on a nested VMEXIT, nestedsvmvmexit returns an error code that is ignored by most callers, and continues to run L1 with corrupted state....

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerability has been resolved: x86/speculation: Fill RSB on vmexit for IBRS Prevent RSB underflow/poisoning attacks with RSB. Additionally, add a number of comments to attempt to document the current state of knowledge regarding RSB attacks and what exactly is...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989453)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989453 advisory. In the Linux kernel, the following vulnerability has been resolved: x86/speculation: Fill RSB on vmexit for IBRS Prevent RSB underflow/poisoning attacks with RSB...

DEBIAN-CVE-2021-46978

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Always make an attempt to map eVMCS after migration When enlightened VMCS is in use and nested state is migrated with vmxgetnestedstate/vmxsetnestedstate KVM can't map evmcs page right away: evmcs gpa is not 'struct...

kernel: x86/speculation: Fill RSB on vmexit for IBRS

In the Linux kernel, the following vulnerability has been resolved: x86/speculation: Fill RSB on vmexit for IBRS Prevent RSB underflow/poisoning attacks with RSB. While at it, add a bunch of comments to attempt to document the current state of tribal knowledge about RSB attacks and what exactly i...