What is RHSA-2021:2456?

RHSA-2021:2456 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: Red Hat OpenStack Platform 13.0 (openvswitch2.11) security update

Which CVE IDs does RHSA-2021:2456 cover?

RHSA-2021:2456 covers the following CVE IDs: CVE-2020-35498, CVE-2020-27827. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2021:2456?

RHSA-2021:2456 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

RHSA-2021:2456HighCVSS 7.5

Red Hat Security Advisory: Red Hat OpenStack Platform 13.0 (openvswitch2.11) security update

Vendor

Red Hat Product Security

Published

June 16, 2021

Last Modified

June 26, 2026

🔗 CVE IDs covered (2)

CVE-2020-35498 →CVE-2020-27827 →

📋 Description

CVE-2020-27827 — lldp/openvswitch: denial of service via externally triggered memory leak CVE-2020-35498 — openvswitch: limitation in the OVS packet parsing in userspace leads to DoS

🔗 References (6)

selfhttps://access.redhat.com/errata/RHSA-2021:2456
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1908845
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1921438
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=1928901
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2456.json