CVE-2021-4032
Medium
Description
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.
SeverityMedium
CVSS4.4
Exploit probability—
Product
Linux Kernel
PublishedJan 21, 2022
First seenJan 21, 2022
Weakness typeCWE-459CWE-459
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v ≤ 5.14, 5.15 | — |
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