QID 240828

Date Published: 2022-11-09

QID 240828: Red Hat Update for bind9.16 (RHSA-2022:7643)

The berkeley internet name domain (bind) is an implementation of the domain name system (dns) protocols.
Bind includes a dns server (named); a resolver library (routines for applications to use when interfacing with dns); and tools for verifying that the dns server is operating correctly...Security Fix(es):

    bind: dns forwarders - cache poisoning vulnerability (cve-2021-25220).
    Bind: dos from specifically crafted tcp packets (cve-2022-0396).
<H2></H2>
    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.
    Red hat codeready linux builder for x86_64 8 x86_64.
    Red hat codeready linux builder for power, little endian 8 ppc64le.
    Red hat codeready linux builder for arm 64 8 aarch64.
    Red hat codeready linux builder for ibm z systems 8 s390x.
.

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 Critical - 8.6 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2022:7643 for updates and patch information.
    Vendor References

    CVEs related to QID 240828

    CVE-2021-25220 | CVE-2022-0396 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:7643 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:7643
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