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HIGH

CVE-2026-89932

CVSS v3

8.8

HIGH

Score EPSS

0.2 %

probabilité d’exploitation au 2026-09-28

CISA KEV

Non

exploitation connue

Exploitation

—

statut SSVC

Description

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Always flush vpid02 on first use Make sure vpid02 is always flushed on first use by setting last_vpid=0 when allocating vpid02. nested_vmx_transition_tlb_flush() will always detect a VPID change on first VM-Enter after VMXON, because VPID=0 in vmcs12 is not allowed if L1 enables VPID. This avoids using stale TLB entries from a previous lifetime of the VPID, that might have been associated with a different vCPU (or

Détails techniques

Publiée le
2026-09-16
Dernière modification
2026-09-17

Questions fréquentes

Qu’est-ce que CVE-2026-89932 ?

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Always flush vpid02 on first use Make sure vpid02 is always flushed on first use by setting last_vpid=0 when allocating vpid02. nested_vmx_transition_tlb_flush() will always detect a VPID change on first VM-Enter after VMXON, because VPID=0 in vmcs12 is not allowed if L1 enables VPID. This avoids using stale TLB entries from a previous lifetime of the VPID, that might have been associated with a different vCPU (or

CVE-2026-89932 est-elle activement exploitée ?

Aucune exploitation active de CVE-2026-89932 n’est confirmée. Son score EPSS était de 0.2 % au 2026-09-28, soit la probabilité estimée d’exploitation dans les 30 prochains jours.

Quel est le score CVSS de CVE-2026-89932 ?

CVE-2026-89932 a un score de base CVSS v3 de 8.8 (gravité HIGH).

CVE-2026-89932 touche-t-elle votre environnement ?

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