cbcvebase.
CVE-2021-3582
published 2022-03-25

CVE-2021-3582: 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…

PriorityP425medium6.5CVSS 3.1
AVLACLPRLUINSCCNINAH
EPSS
0.39%
31.3th percentile
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

10 ranges
VendorProductVersion rangeFixed in
debiandebian_linux
debianqemu< qemu 1:5.2+dfsg-11 (bookworm)qemu 1:5.2+dfsg-11 (bookworm)
qemuqemu< 2.17.22.17.2
qemuqemu
qemuqemu>= 0 < 1:5.2+dfsg-111:5.2+dfsg-11
qemuqemu>= 0 < 1:5.2+dfsg-111:5.2+dfsg-11
qemuqemu>= 0 < 1:5.2+dfsg-111:5.2+dfsg-11
qemuqemu>= 0 < 1:5.2+dfsg-111:5.2+dfsg-11
qemuqemu>= 0 < 1:2.11+dfsg-1ubuntu7.371:2.11+dfsg-1ubuntu7.37
qemuqemu>= 0 < 1:4.2-3ubuntu6.171:4.2-3ubuntu6.17

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
vendor_cisco3.1
vendor_ubuntu2.3LOW
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