A vulnerability was found in the Linux kernel's KVM subsystem in arch/x86/kvm/lapic.c kvm_free_lapic when a failure allocation was detected. In this flaw the KVM subsystem may crash the kernel due to mishandling of memory errors that happens during VCPU construction, which allows an attacker with special user privilege to cause a denial of service. This flaw affects kernel versions prior to 5.15 rc7.
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References
History
No history.
MITRE
Status: PUBLISHED
Assigner: redhat
Published: 2022-01-21T18:17:29
Updated: 2024-08-03T17:16:03.043Z
Reserved: 2021-11-29T00:00:00
Link: CVE-2021-4032
Vulnrichment
No data.
NVD
Status : Modified
Published: 2022-01-21T19:15:09.827
Modified: 2024-11-21T06:36:45.613
Link: CVE-2021-4032
Redhat