CVE-2021-46977 KVM: VMX: Disable preemption when probing user return MSRs

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Disable preemption when probing user return MSRs Disable preemption when probing a user return MSR via RDSMR/WRMSR. If the MSR holds a different value per logical CPU, the WRMSR could corrupt the host's value if KVM is...

CVE-2021-46977

CVE-2021-46977 (Linux Kernel KVM VMX) : The vulnerability arises from preemption of the host while probing user return MSRs via RDMSR/WRMSR. If the MSR value differs per logical CPU, a WRMSR could corrupt the host value if KVM is preempted between the RDMSR and WRMSR and rescheduled on another CP...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-002 (ALASKERNEL-5.10-2022-002)

The version of kernel installed on the remote host is prior to 5.10.47-39.130. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2022-002 advisory. A flaw was found in the Linux kernels implementation of wifi fragmentation handling. An attacker with the...