7.5

CVE-2021-3905

Exploit

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.

Data is provided by the National Vulnerability Database (NVD)
Openvswitch ≫ Openvswitch Version < 2.17.0
Canonical ≫ Ubuntu Linux Version21.10
Fedoraproject ≫ Fedora Version35
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.14% 0.346
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

https://bugzilla.redhat.com/show_bug.cgi?id=2019692
Patch
Third Party Advisory
Issue Tracking
https://github.com/openvswitch/ovs-issues/issues/226
Patch
Third Party Advisory
Exploit
Issue Tracking
https://ubuntu.com/security/CVE-2021-3905
Patch
Third Party Advisory