CVE-2021-3905

CVSS V2 None CVSS V3 High 7.5

Description

A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments.

Overview

CVE ID
CVE-2021-3905

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2022-08-23T16:15:10

Last Modified Date
2022-08-27T02:01:53

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:a:openvswitch:openvswitch::::::::	1	OR		2.17.0
cpe:2.3:a:redhat:enterprise_linux_fast_datapath:7.0:::::::*	1	OR
cpe:2.3:a:redhat:enterprise_linux_fast_datapath:8.0:::::::*	1	OR
cpe:2.3:o:canonical:ubuntu_linux:21.10:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:35:::::::*	1	OR

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2019692
https://ubuntu.com/security/CVE-2021-3905
https://access.redhat.com/security/cve/CVE-2021-3905
https://github.com/openvswitch/ovs-issues/issues/226
https://github.com/openvswitch/ovs/commit/803ed12e31b0377c37d7aa8c94b3b92f2081e349

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-3905
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3905

History

Created	Old Value	New Value	Data Type	Notes
2022-08-23 17:00:10				Added to TrackCVE