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====================================================================                   
Red Hat Security Advisory

Synopsis:          Moderate: butane security, bug fix, and enhancement update
Advisory ID:       RHSA-2023:2193-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:2193
Issue date:        2023-05-09
CVE Names:         CVE-2022-27664 CVE-2022-32189
====================================================================
1. Summary:

An update for butane is now available for Red Hat Enterprise Linux 9.

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. 9) - aarch64, ppc64le, s390x, x86_64

3. Description:

Butane translates human-readable Butane Configs into machine-readable
Ignition configs for provisioning operating systems that use Ignition.

The following packages have been upgraded to a later upstream version:
butane (0.16.0). (BZ#2135475)

Security Fix(es):

* golang: net/http: handle server errors after sending GOAWAY
(CVE-2022-27664)

* golang: math/big: decoding big.Float and big.Rat types can panic if the
encoded message is too short, potentially allowing a denial of service
(CVE-2022-32189)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 9.2 Release Notes linked from 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/):

2113814 - CVE-2022-32189 golang: math/big: decoding big.Float and big.Rat types can panic if the encoded message is too short, potentially allowing a denial of service
2124669 - CVE-2022-27664 golang: net/http: handle server errors after sending GOAWAY
2135475 - Update butane to latest upstream version 0.16.0

6. Package List:

Red Hat Enterprise Linux AppStream (v. 9):

Source:
butane-0.16.0-1.el9.src.rpm

aarch64:
butane-0.16.0-1.el9.aarch64.rpm
butane-debuginfo-0.16.0-1.el9.aarch64.rpm
butane-debugsource-0.16.0-1.el9.aarch64.rpm

ppc64le:
butane-0.16.0-1.el9.ppc64le.rpm
butane-debuginfo-0.16.0-1.el9.ppc64le.rpm
butane-debugsource-0.16.0-1.el9.ppc64le.rpm

s390x:
butane-0.16.0-1.el9.s390x.rpm
butane-debuginfo-0.16.0-1.el9.s390x.rpm
butane-debugsource-0.16.0-1.el9.s390x.rpm

x86_64:
butane-0.16.0-1.el9.x86_64.rpm
butane-debuginfo-0.16.0-1.el9.x86_64.rpm
butane-debugsource-0.16.0-1.el9.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-2022-27664
https://access.redhat.com/security/cve/CVE-2022-32189
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.2_release_notes/index

8. Contact:

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

Copyright 2023 Red Hat, Inc.
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