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THREAT OPS › Threat News › [NVD] CVE-2021-46977 (HIGH 7.8) — 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 hos

[NVD] CVE-2021-46977 (HIGH 7.8) — 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 hos

lownvdPublished 2024-02-28

CVE-2021-46977 CVSS: 7.8 HIGH Published: 2024-02-28T09:15:37.140

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 preempted between the RDMSR and WR

Indicators of compromise

CVE-2021-46977cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2021-46977