[RHSA-2021:3369-01] Important: edk2 security update

[Security announcements for all Red Hat products and services.]

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                   Red Hat Security Advisory

Synopsis:          Important: edk2 security update
Advisory ID:       RHSA-2021:3369-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3369
Issue date:        2021-08-31
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1. Summary:

An update for edk2 is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.

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:

Red Hat Enterprise Linux AppStream EUS (v. 8.2) - 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: remote buffer overflow in IScsiHexToBin function in
NetworkPkg/IScsiDxe (BZ#1956284)

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/):

1956284 - edk2: remote buffer overflow in IScsiHexToBin function in NetworkPkg/IScsiDxe

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v. 8.2):

Source:
edk2-20190829git37eef91017ad-9.el8_2.1.src.rpm

noarch:
edk2-aarch64-20190829git37eef91017ad-9.el8_2.1.noarch.rpm
edk2-ovmf-20190829git37eef91017ad-9.el8_2.1.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/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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