CVE-2021-3582
CVSS V2 Low 2.1
CVSS V3 Medium 6.5
Description
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.
Overview
- CVE ID
- CVE-2021-3582
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2022-03-25T19:15:09
- Last Modified Date
- 2022-10-05T18:26:02
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | 1 | OR | 2.17.2 | |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 2.1
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2
- Impact Score
- 4
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1966266 | Exploit Issue Tracking Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202208-27 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20220429-0003/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-3582 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3582 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-04 00:39:13 | Added to TrackCVE | |||
| 2022-12-06 13:17:42 | 2022-03-25T19:15Z | 2022-03-25T19:15:09 | CVE Published Date | updated |
| 2022-12-06 13:17:42 | 2022-10-05T18:26:02 | CVE Modified Date | updated | |
| 2022-12-06 13:17:42 | Analyzed | Vulnerability Status | updated | |
| 2022-12-06 13:17:47 | References | updated |