Mehrere Probleme in RHV-H
ID: | RHSA-2021:2519-01 |
Distribution: | Red Hat |
Plattformen: | Red Hat Virtualization |
Datum: | Di, 22. Juni 2021, 22:53 |
Referenzen: | https://access.redhat.com/security/cve/CVE-2021-25217
https://access.redhat.com/security/cve/CVE-2021-27219 https://access.redhat.com/security/cve/CVE-2020-24489 |
Applikationen: | RHV-H |
Originalnachricht |
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: RHV-H security update (redhat-virtualization-host) 4.3.16 Advisory ID: RHSA-2021:2519-01 Product: Red Hat Virtualization Advisory URL: https://access.redhat.com/errata/RHSA-2021:2519 Issue date: 2021-06-22 CVE Names: CVE-2020-24489 CVE-2021-25217 CVE-2021-27219 ===================================================================== 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 Important. 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): * glib: integer overflow in g_bytes_new function on 64-bit platforms due to an implicit cast from 64 bits to 32 bits (CVE-2021-27219) * hw: vt-d related privilege escalation (CVE-2020-24489) * dhcp: stack-based buffer overflow when parsing statements with colon-separated hex digits in config or lease files in dhcpd and dhclient (CVE-2021-25217) 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/): 1929858 - CVE-2021-27219 glib: integer overflow in g_bytes_new function on 64-bit platforms due to an implicit cast from 64 bits to 32 bits 1948377 - Rebase RHV-H 4.3 EUS on RHGS 3.5.z on RHEL 7 - Batch Update 4 1957238 - Rebase RHV-H 4.3 EUS on RHEL 7.9.z #6 1962650 - CVE-2020-24489 hw: vt-d related privilege escalation 1963258 - CVE-2021-25217 dhcp: stack-based buffer overflow when parsing statements with colon-separated hex digits in config or lease files in dhcpd and dhclient 6. Package List: Red Hat Virtualization 4 Hypervisor for RHEL 7: Source: redhat-virtualization-host-4.3.16-20210615.0.el7_9.src.rpm noarch: redhat-virtualization-host-image-update-4.3.16-20210615.0.el7_9.noarch.rpm RHEL 7-based RHEV-H for RHEV 4 (build requirements): Source: redhat-release-virtualization-host-4.3.16-1.el7ev.src.rpm redhat-virtualization-host-4.3.16-20210615.0.el7_9.src.rpm noarch: redhat-virtualization-host-image-update-4.3.16-20210615.0.el7_9.noarch.rpm redhat-virtualization-host-image-update-placeholder-4.3.16-1.el7ev.noarch.rpm x86_64: redhat-release-virtualization-host-4.3.16-1.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-2020-24489 https://access.redhat.com/security/cve/CVE-2021-25217 https://access.redhat.com/security/cve/CVE-2021-27219 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is |