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
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

21 Nov 2024, 06:22

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

26 Nov 2023, 11:15

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

Published : 2022-08-23 16:15

Updated : 2024-11-21 06:22

NVD link : CVE-2021-3905

Mitre link : CVE-2021-3905

CVE.ORG link : CVE-2021-3905

JSON object : View

Products Affected

fedoraproject

  • fedora

canonical

  • ubuntu_linux

redhat

  • enterprise_linux_fast_datapath

openvswitch

  • openvswitch
CWE
CWE-401

Missing Release of Memory after Effective Lifetime