CVE-2026-99176

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

Linux kernel security vulnerabilities

A security vulnerability exists in Linux kernel version 4.15. It arises when KVM nVMX fails to reset the vCPU’s MMU pointer back to its root MMU upon loading L2 state in non-VM-Entry scenarios; this may result in null pointer dereferencing...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Load L1’s TSC multiplier based on L1 state, not L2 state When emulating nested VM-Exit, load L1’s TSC multiplier if L1’s desired ratio does not match the current ratio; it does not matter whether the ratio L1 uses for ...

EUVD-2023-59875

Malicious code in bioql PyPI...

CVE-2023-53208

CVE-2023-53208 : Linux kernel KVM nested virtualization flaw where L1’s TSC multiplier is loaded based on L1 state instead of L2, causing a mismatch that userspace can trigger via MSR writes and guest CPUID changes. The fix ensures L1’s multiplier is loaded when exiting nested VM, preventing the ...