what you don't know can hurt you
Home Files News &[SERVICES_TAB]About Contact Add New

Red Hat Security Advisory 2022-7633-01

Red Hat Security Advisory 2022-7633-01
Posted Nov 8, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-7633-01 - The dnsmasq packages contain Dnsmasq, a lightweight DNS forwarder and DHCP server. Issues addressed include a use-after-free vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2022-0934
SHA-256 | 5c7119799e3e6420f4922acff05d1bd2ebda0ed0a7fb8572b0ec218b25d3c607

Red Hat Security Advisory 2022-7633-01

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis: Moderate: dnsmasq security and bug fix update
Advisory ID: RHSA-2022:7633-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7633
Issue date: 2022-11-08
CVE Names: CVE-2022-0934
====================================================================
1. Summary:

An update for dnsmasq 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) - aarch64, ppc64le, s390x, x86_64

3. Description:

The dnsmasq packages contain Dnsmasq, a lightweight DNS (Domain Name
Server) forwarder and DHCP (Dynamic Host Configuration Protocol) server.

Security Fix(es):

* dnsmasq: Heap use after free in dhcp6_no_relay (CVE-2022-0934)

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 8.7 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/):

2049691 - Malformed DHCPv6 NTP option
2057075 - CVE-2022-0934 dnsmasq: Heap use after free in dhcp6_no_relay
2120357 - dnsmasq high CPU usage in 4.11 spoke deployment or after 4.10.21 to 4.11.0-rc.1 upgrade on an SNO node [rhel8]

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
dnsmasq-2.79-24.el8.src.rpm

aarch64:
dnsmasq-2.79-24.el8.aarch64.rpm
dnsmasq-debuginfo-2.79-24.el8.aarch64.rpm
dnsmasq-debugsource-2.79-24.el8.aarch64.rpm
dnsmasq-utils-2.79-24.el8.aarch64.rpm
dnsmasq-utils-debuginfo-2.79-24.el8.aarch64.rpm

ppc64le:
dnsmasq-2.79-24.el8.ppc64le.rpm
dnsmasq-debuginfo-2.79-24.el8.ppc64le.rpm
dnsmasq-debugsource-2.79-24.el8.ppc64le.rpm
dnsmasq-utils-2.79-24.el8.ppc64le.rpm
dnsmasq-utils-debuginfo-2.79-24.el8.ppc64le.rpm

s390x:
dnsmasq-2.79-24.el8.s390x.rpm
dnsmasq-debuginfo-2.79-24.el8.s390x.rpm
dnsmasq-debugsource-2.79-24.el8.s390x.rpm
dnsmasq-utils-2.79-24.el8.s390x.rpm
dnsmasq-utils-debuginfo-2.79-24.el8.s390x.rpm

x86_64:
dnsmasq-2.79-24.el8.x86_64.rpm
dnsmasq-debuginfo-2.79-24.el8.x86_64.rpm
dnsmasq-debugsource-2.79-24.el8.x86_64.rpm
dnsmasq-utils-2.79-24.el8.x86_64.rpm
dnsmasq-utils-debuginfo-2.79-24.el8.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-2022-0934
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.7_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 2022 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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JMkf
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce
Login or Register to add favorites

File Archive:

July 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Jul 1st
    27 Files
  • 2
    Jul 2nd
    10 Files
  • 3
    Jul 3rd
    35 Files
  • 4
    Jul 4th
    27 Files
  • 5
    Jul 5th
    18 Files
  • 6
    Jul 6th
    0 Files
  • 7
    Jul 7th
    0 Files
  • 8
    Jul 8th
    28 Files
  • 9
    Jul 9th
    44 Files
  • 10
    Jul 10th
    24 Files
  • 11
    Jul 11th
    25 Files
  • 12
    Jul 12th
    11 Files
  • 13
    Jul 13th
    0 Files
  • 14
    Jul 14th
    0 Files
  • 15
    Jul 15th
    28 Files
  • 16
    Jul 16th
    6 Files
  • 17
    Jul 17th
    0 Files
  • 18
    Jul 18th
    0 Files
  • 19
    Jul 19th
    0 Files
  • 20
    Jul 20th
    0 Files
  • 21
    Jul 21st
    0 Files
  • 22
    Jul 22nd
    0 Files
  • 23
    Jul 23rd
    0 Files
  • 24
    Jul 24th
    0 Files
  • 25
    Jul 25th
    0 Files
  • 26
    Jul 26th
    0 Files
  • 27
    Jul 27th
    0 Files
  • 28
    Jul 28th
    0 Files
  • 29
    Jul 29th
    0 Files
  • 30
    Jul 30th
    0 Files
  • 31
    Jul 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close