Azure Linux 3.0 Security Update: kernel (CVE-2025-37936)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37936 advisory. - In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: KVM: Mask PEBSENABLE...

CVE-2025-37936 affecting package kernel for versions less than 6.6.92.2-1

CVE-2025-37936 affecting package kernel for versions less than 6.6.92.2-1. An upgraded version of the package is available that resolves this issue...

CVE-2025-37936

CVE-2025-37936: Linux kernel issue in perf/x86/intel/KVM where MSR_IA32_PEBS_ENABLE loaded for a guest could be masked incorrectly when deriving PEBS_ENABLE, causing guest PEBS to be enabled unintentionally and potentially crash the guest with a flood of #PFs. The fix masks the guest MSR value us...

CVE-2025-37936 perf/x86/intel: KVM: Mask PEBS_ENABLE loaded for guest with vCPU's value.

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: KVM: Mask PEBSENABLE loaded for guest with vCPU's value. When generating the MSRIA32PEBSENABLE value that will be loaded on VM-Entry to a KVM guest, mask the value with the vCPU's desired PEBSENABLE value...

CVE-2025-37936 perf/x86/intel: KVM: Mask PEBS_ENABLE loaded for guest with vCPU's value.

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: KVM: Mask PEBSENABLE loaded for guest with vCPU's value. When generating the MSRIA32PEBSENABLE value that will be loaded on VM-Entry to a KVM guest, mask the value with the vCPU's desired PEBSENABLE value...