Red Hat Security Advisory: dnsmasq security and bug fix update
An update for dnsmasq 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.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2023-28450US | high7.5OT elevated | — | ||
An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DNS Flag Day 2020. | ||||
references
External citations — patches, advisories, analysis.
remediations (42)
- Fixeddnsmasq-0:2.85-14.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-0:2.85-14.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-0:2.85-14.el9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-0:2.85-14.el9.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-0:2.85-14.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-debuginfo-0:2.85-14.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-debuginfo-0:2.85-14.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-debuginfo-0:2.85-14.el9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-debuginfo-0:2.85-14.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-debugsource-0:2.85-14.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-debugsource-0:2.85-14.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-debugsource-0:2.85-14.el9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-debugsource-0:2.85-14.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-utils-0:2.85-14.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-utils-0:2.85-14.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-utils-0:2.85-14.el9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-utils-0:2.85-14.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-utils-debuginfo-0:2.85-14.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-utils-debuginfo-0:2.85-14.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-utils-debuginfo-0:2.85-14.el9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Fixeddnsmasq-utils-debuginfo-0:2.85-14.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2023:6524 - Workarounddnsmasq-0:2.85-14.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-0:2.85-14.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-0:2.85-14.el9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-0:2.85-14.el9.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-0:2.85-14.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-debuginfo-0:2.85-14.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-debuginfo-0:2.85-14.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-debuginfo-0:2.85-14.el9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-debuginfo-0:2.85-14.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-debugsource-0:2.85-14.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-debugsource-0:2.85-14.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-debugsource-0:2.85-14.el9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-debugsource-0:2.85-14.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-utils-0:2.85-14.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-utils-0:2.85-14.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-utils-0:2.85-14.el9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-utils-0:2.85-14.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-utils-debuginfo-0:2.85-14.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-utils-debuginfo-0:2.85-14.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-utils-debuginfo-0:2.85-14.el9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
- Workarounddnsmasq-utils-debuginfo-0:2.85-14.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
Systems that can not be updated can still configure dnsmasq to use the recommended maximum EDNS value by setting edns-packet-max=1232 in the dnsmasq configuration.
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