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CVE-2021-3905 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://access.redhat.com/security/cve/CVE-2021-3905 CVEThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2019692 CVEIssue TrackingPatchThird Party Advisory
https://github.com/openvswitch/ovs/commit/803ed12e31b0377c37d7aa8c94b3b92f2081e349 CVEPatchThird Party Advisory
https://github.com/openvswitch/ovs-issues/issues/226 CVEExploitIssue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/202311-16 CVE

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-401Missing Release of Memory after Effective Lifetime[email protected]
CWE-401Missing Release of Memory after Effective Lifetime[email protected]

Affected Products

ProductVersions
openvswitch openvswitch
< 2.17.0

CPE

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

Remediation

  • No remediation found in references.
redhat enterprise linux fast datapath
7.0
8.0

CPE

  • cpe:2.3:a:redhat:enterprise_linux_fast_datapath:7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:redhat:enterprise_linux_fast_datapath:8.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
canonical ubuntu linux
21.10

CPE

  • cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
35

CPE

  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-3905
NVD Published Date:
Aug 23, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-3905 Details - Not Deferred