Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-46977

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 WRMSR, and then rescheduled on a different CPU. Opportunistically land the helper in common x86, SVM will use the helper in a future commit.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.4%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2021-46977


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