CVE-2021-36148

7.8 highEPSS 0.7%

High (7.8) in linux acrn. EPSS 0.7% chance of exploitation in the next 30 days.

An issue was discovered in ACRN before 2.5. dmar_free_irte in hypervisor/arch/x86/vtd.c allows an irte_alloc_bitmap buffer overflow.

Severity

7.8 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2021-07-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19