drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in RHV-H
Name: |
Zwei Probleme in RHV-H |
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ID: |
RHSA-2021:5035-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Virtualization |
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Datum: |
Mi, 8. Dezember 2021, 23:31 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2021-43527
https://access.redhat.com/security/vulnerabilities/RHSB-2021-008
https://access.redhat.com/security/cve/CVE-2020-36385 |
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Applikationen: |
RHV-H |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Critical: RHV-H security update (redhat-virtualization-host) 4.3.20 Advisory ID: RHSA-2021:5035-01 Product: Red Hat Virtualization Advisory URL: https://access.redhat.com/errata/RHSA-2021:5035 Issue date: 2021-12-08 CVE Names: CVE-2020-36385 CVE-2021-43527 =====================================================================
1. Summary:
An update for redhat-release-virtualization-host and 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 Critical. 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):
* nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS) (CVE-2021-43527)
* kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free (CVE-2020-36385)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
4. Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/2974891
5. Bugs fixed (https://bugzilla.redhat.com/):
1974319 - CVE-2020-36385 kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free 2024370 - CVE-2021-43527 nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS)
6. Package List:
Red Hat Virtualization 4 Hypervisor for RHEL 7:
Source: redhat-virtualization-host-4.3.20-20211202.1.el7_9.src.rpm
noarch: redhat-virtualization-host-image-update-4.3.20-20211202.1.el7_9.noarch.rpm
RHEL 7-based RHEV-H for RHEV 4 (build requirements):
Source: redhat-release-virtualization-host-4.3.20-1.el7ev.src.rpm redhat-virtualization-host-4.3.20-20211202.1.el7_9.src.rpm
noarch: redhat-virtualization-host-image-update-4.3.20-20211202.1.el7_9.noarch.rpm redhat-virtualization-host-image-update-placeholder-4.3.20-1.el7ev.noarch.rpm
x86_64: redhat-release-virtualization-host-4.3.20-1.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-2020-36385 https://access.redhat.com/security/cve/CVE-2021-43527 https://access.redhat.com/security/updates/classification/#critical https://access.redhat.com/security/vulnerabilities/RHSB-2021-008
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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