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Red Hat Security Advisory
Synopsis: Moderate: edk2 security update
Advisory ID: RHSA-2021:2591-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2591
Issue date: 2021-06-29
CVE Names: CVE-2021-28211
=====================================================================
1. Summary:
An update for edk2 is now available for Red Hat Enterprise Linux 8.
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:
Red Hat Enterprise Linux AppStream (v. 8) - noarch
3. Description:
EDK (Embedded Development Kit) is a project to enable UEFI support for
Virtual Machines. This package contains a sample 64-bit UEFI firmware for
QEMU and KVM.
Security Fix(es):
* edk2: possible heap corruption with LzmaUefiDecompressGetInfo
(CVE-2021-28211)
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/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1883529 - CVE-2021-28211 edk2: possible heap corruption with LzmaUefiDecompressGetInfo
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
edk2-20200602gitca407c7246bf-4.el8_4.1.src.rpm
noarch:
edk2-aarch64-20200602gitca407c7246bf-4.el8_4.1.noarch.rpm
edk2-ovmf-20200602gitca407c7246bf-4.el8_4.1.noarch.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-2021-28211
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <[email protected]>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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