drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in openvswitch
Name: |
Denial of Service in openvswitch |
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ID: |
RHSA-2021:1051-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Virtualization |
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Datum: |
Mi, 31. März 2021, 17:45 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2020-27827 |
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Applikationen: |
Open vSwitch |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: RHV-H enhancement and security update (redhat-virtualization-host) 4.3.14 Advisory ID: RHSA-2021:1051-01 Product: Red Hat Virtualization Advisory URL: https://access.redhat.com/errata/RHSA-2021:1051 Issue date: 2021-03-31 CVE Names: CVE-2020-27827 =====================================================================
1. Summary:
An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
2. Relevant releases/architectures:
RHEL 7-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64 Red Hat Virtualization 4 Hypervisor for RHEL 7 - noarch
3. Description:
The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.
Security Fix(es):
* lldp/openvswitch: denial of service via externally triggered memory leak (CVE-2020-27827)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
4. Solution:
Before applying this update, make sure all previously released errata relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/2974891
5. Bugs fixed (https://bugzilla.redhat.com/):
1921438 - CVE-2020-27827 lldp/openvswitch: denial of service via externally triggered memory leak 1924062 - Rebase RHV-H 4.3 EUS on RHEL 7.9.z #4 1932859 - Rebase RHV-H 4.3.14 on FDP 2.11 (21B) 1940841 - Include updated gluster-ansible-features in RHV-H 4.3
6. Package List:
Red Hat Virtualization 4 Hypervisor for RHEL 7:
Source: redhat-virtualization-host-4.3.14-20210322.0.el7_9.src.rpm
noarch: redhat-virtualization-host-image-update-4.3.14-20210322.0.el7_9.noarch.rpm
RHEL 7-based RHEV-H for RHEV 4 (build requirements):
Source: redhat-release-virtualization-host-4.3.14-2.el7ev.src.rpm redhat-virtualization-host-4.3.14-20210322.0.el7_9.src.rpm
noarch: redhat-virtualization-host-image-update-4.3.14-20210322.0.el7_9.noarch.rpm redhat-virtualization-host-image-update-placeholder-4.3.14-2.el7ev.noarch.rpm
x86_64: redhat-release-virtualization-host-4.3.14-2.el7ev.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2020-27827 https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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