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.
History

No history.

cve-icon 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

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-01-21T19:15:09.827

Modified: 2024-11-21T06:36:45.613

Link: CVE-2021-4032

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-09-08T00:00:00Z

Links: CVE-2021-4032 - Bugzilla