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RedhatCVE-2021-3582

HistoryMar 25, 2022 - 7:15 p.m.

CVE-2021-3582

2022-03-2519:15:09

CWE-119

redhat

web.nvd.nist.gov

nvd

cve-2021-3582

qemu

vmware

paravirtual rdma

vulnerability

system availability

CVSS2

2.1

Attack Vector

LOCAL

Attack 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

CVSS3

6.5

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

AI Score

6.2

Confidence

High

EPSS

0.001

Percentile

30.2%

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.

Affected configurations

Nvd

Vulners

Node

qemuqemuRange<2.17.2

Node

debiandebian_linuxMatch10.0

VendorProductVersionCPE
qemuqemu*cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
qemu	qemu	*	cpe:2.3:a:qemu:qemu::::::::
debian	debian_linux	10.0	cpe:2.3:o:debian:debian_linux:10.0:::::::*

CNA Affected

[
  {
    "product": "QEMU",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "qemu 2.17.2"
      }
    ]
  }
]