CVE-2021-3582: Debian Linux
Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.
A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. The issue occurs while handling a "PVRDMA_CMD_CREATE_MR" command due to improper memory remapping (mremap). This flaw allows a malicious guest to crash the QEMU process on the host. The highest threat from this vulnerability is to system availability.
Affected products
Published 2022-03-25. Last modified 2026-06-17.