Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Set/clear CR8 write interception when AVIC is deactivated The issue was addressed by explicitly setting/clearing the CR8 write interception when AVIC is deactivated. This fixes a bug where KVM kept the interception...

CVE-2026-43483

CVE-2026-43483 (Linux kernel, KVM/VMX-SVM) fixes a flaw in SVM AVIC handling where CR8 write interception could remain enabled after AVIC activation. The patch explicitly sets/clears CR8 interception when AVIC is (de)activated to prevent the dangling intercept, which could cause TPR desynchroniza...