QID 243146

Date Published: 2024-03-28

QID 243146: Red Hat Update for dnsmasq (RHSA-2024:1544)

The dnsmasq packages contain dnsmasq, a lightweight dns (domain name server) forwarder and dhcp (dynamic host configuration protocol) server...Security Fix(es):

    dnsmasq: default maximum edns.0 udp packet size was set to 4096 but should be 1232 (cve-2023-28450).
    Dnsmasq: bind9: keytrap - extreme cpu consumption in dnssec validator (cve-2023-50387).
    Dnsmasq: bind9: preparing an nsec3 closest encloser proof can exhaust cpu resources (cve-2023-50868).
Affected Products:
    Red Hat enterprise linux for x86_64 - extended update support 8.8 x86_64.
    Red hat enterprise linux for ibm z systems - extended update support 8.8 s390x.
    Red hat enterprise linux for power, little endian - extended update support 8.8 ppc64le.
    Red hat enterprise linux server - tus 8.8 x86_64.
    Red hat enterprise linux for arm 64 - extended update support 8.8 aarch64.
    Red hat enterprise linux server for power le - update services for sap solutions 8.8 ppc64le.
    Red hat enterprise linux for x86_64 - update services for sap solutions 8.8 x86_64.
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Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2024:1544 for updates and patch information.
    Vendor References

    CVEs related to QID 243146

    CVE-2023-28450 | CVE-2023-50387 | CVE-2023-50868 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2024:1544 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2024:1544
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