CVE-2021-3905

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

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

26 Nov 2023, 11:15

Type Values Removed Values Added
References
  • () https://security.gentoo.org/glsa/202311-16 -

27 Aug 2022, 02:01

Type Values Removed Values Added
CWE CWE-401
First Time Fedoraproject
Redhat enterprise Linux Fast Datapath
Fedoraproject fedora
Redhat
Canonical ubuntu Linux
Canonical
Openvswitch
Openvswitch openvswitch
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2019692 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2019692 - Issue Tracking, Patch, Third Party Advisory
References (MISC) https://github.com/openvswitch/ovs-issues/issues/226 - (MISC) https://github.com/openvswitch/ovs-issues/issues/226 - Exploit, Issue Tracking, Patch, Third Party Advisory
References (MISC) https://ubuntu.com/security/CVE-2021-3905 - (MISC) https://ubuntu.com/security/CVE-2021-3905 - Patch, Third Party Advisory
References (MISC) https://github.com/openvswitch/ovs/commit/803ed12e31b0377c37d7aa8c94b3b92f2081e349 - (MISC) https://github.com/openvswitch/ovs/commit/803ed12e31b0377c37d7aa8c94b3b92f2081e349 - Patch, Third Party Advisory
References (MISC) https://access.redhat.com/security/cve/CVE-2021-3905 - (MISC) https://access.redhat.com/security/cve/CVE-2021-3905 - Third Party Advisory
CPE cpe:2.3:a:redhat:enterprise_linux_fast_datapath:7.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:a:redhat:enterprise_linux_fast_datapath:8.0:*:*:*:*:*:*:*
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*

23 Aug 2022, 17:04

Type Values Removed Values Added
New CVE
Information

Published : 2022-08-23 16:15

Updated : 2023-12-10 14:35

NVD link : CVE-2021-3905

Mitre link : CVE-2021-3905

CVE.ORG link : CVE-2021-3905

JSON object : View

Products Affected

fedoraproject

  • fedora

redhat

  • enterprise_linux_fast_datapath

canonical

  • ubuntu_linux

openvswitch

  • openvswitch
CWE
CWE-401

Missing Release of Memory after Effective Lifetime