CVE-2021-3736

CVSS V2 None CVSS V3 Medium 5.5

Description

A flaw was found in the Linux kernel. A memory leak problem was found in mbochs_ioctl in samples/vfio-mdev/mbochs.c in Virtual Function I/O (VFIO) Mediated devices. This flaw could allow a local attacker to leak internal kernel information.

Overview

CVE ID
CVE-2021-3736

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2022-08-23T16:15:09

Last Modified Date
2022-08-25T02:28:54

Weakness Enumerations

CWE	URL
CWE-401	http://cwe.mitre.org/data/definitions/401.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:linux:linux_kernel::::::::	1	OR		5.14.20

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
5.5

Base Severity
MEDIUM

Exploitability Score
1.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1995570
https://access.redhat.com/security/cve/CVE-2021-3736
https://github.com/torvalds/linux/commit/de5494af4815a4c9328536c72741229b7de88e7f

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-3736
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3736

History

Created	Old Value	New Value	Data Type	Notes
2022-08-23 17:00:11				Added to TrackCVE