CVE-2021-3582

2021-06-1800:00:00

ubuntu.com

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

20.2%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchqemu< 1:4.2-3ubuntu6.17UNKNOWN
ubuntu20.10noarchqemu< 1:5.0-5ubuntu9.9UNKNOWN
ubuntu21.04noarchqemu< 1:5.2+dfsg-9ubuntu3.1UNKNOWN
ubuntu21.10noarchqemu< 1:6.0+dfsg-2expubuntu1UNKNOWN
ubuntu22.04noarchqemu< 1:6.0+dfsg-2expubuntu1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	qemu	< 1:4.2-3ubuntu6.17	UNKNOWN
ubuntu	20.10	noarch	qemu	< 1:5.0-5ubuntu9.9	UNKNOWN
ubuntu	21.04	noarch	qemu	< 1:5.2+dfsg-9ubuntu3.1	UNKNOWN
ubuntu	21.10	noarch	qemu	< 1:6.0+dfsg-2expubuntu1	UNKNOWN
ubuntu	22.04	noarch	qemu	< 1:6.0+dfsg-2expubuntu1	UNKNOWN