CVE-2021-3905

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2021-3905	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2019692	Issue Tracking Patch Third Party Advisory
https://github.com/openvswitch/ovs-issues/issues/226	Exploit Issue Tracking Patch Third Party Advisory
https://github.com/openvswitch/ovs/commit/803ed12e31b0377c37d7aa8c94b3b92f2081e349	Patch Third Party Advisory
https://security.gentoo.org/glsa/202311-16
https://ubuntu.com/security/CVE-2021-3905	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*

Configuration 2 (hide)

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

History

No history.

Information

Published : 2022-08-23 16:15

Updated : 2023-11-26 11:15

NVD link : CVE-2021-3905

Mitre link : CVE-2021-3905

CVE.ORG link : CVE-2021-3905

JSON object : View

Products Affected

openvswitch

openvswitch

canonical

ubuntu_linux

fedoraproject

fedora

redhat

enterprise_linux_fast_datapath

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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