QID 239786

Date Published: 2021-11-10

QID 239786: Red Hat Update for dnsmasq (RHSA-2021:4153)

the dnsmasq packages contain dnsmasq, a lightweight dns (domain name server) forwarder and dhcp (dynamic host configuration protocol) server.

Security Fix(es):
  • dnsmasq: fixed outgoing port used when --server is used with an interface name (cve-2021-3448)

Affected Products:

  • Red Hat enterprise linux for x86_64 8 x86_64
  • Red Hat enterprise linux for ibm z systems 8 s390x
  • Red Hat enterprise linux for power, little endian 8 ppc64le
  • Red Hat enterprise linux for arm 64 8 aarch64



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.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as Medium - 4 severity.
  • CVSS V2 rated as Medium - 4.3 severity.
    • Solution
    Upgrade to the latest packages which contain a patch.

    Refer to Refer to :
    Applying Package Updates to RHEL system     for details.

    Refer to Red Hat security advisory RHSA-2021:4153 Update to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239786

    CVE-2021-3448 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:4153 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:4153
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