RHSA-2023:5691HighCVSS 7.5

Red Hat Security Advisory: bind security update

Published
October 12, 2023
Last Modified
August 6, 2026

🔗 CVE IDs covered (1)

CVE-2023-3341 →

📋 Description

CVE-2023-3341 — bind: stack exhaustion in control channel code may lead to DoS

🎯 Affected products183

  • Red Hat Enterprise Linux Client (v. 7)
  • Red Hat Enterprise Linux Client Optional (v. 7)
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7)
  • Red Hat Enterprise Linux Server (v. 7)
  • Red Hat Enterprise Linux Server Optional (v. 7)
  • Red Hat Enterprise Linux Workstation (v. 7)
  • Red Hat Enterprise Linux Workstation Optional (v. 7)
  • bind-32:9.11.4-26.P2.el7_9.15.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • bind-32:9.11.4-26.P2.el7_9.15.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • bind-32:9.11.4-26.P2.el7_9.15.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • bind-32:9.11.4-26.P2.el7_9.15.src as a component of Red Hat Enterprise Linux Client (v. 7)
  • bind-32:9.11.4-26.P2.el7_9.15.src as a component of Red Hat Enterprise Linux Server (v. 7)
  • bind-32:9.11.4-26.P2.el7_9.15.src as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • bind-32:9.11.4-26.P2.el7_9.15.x86_64 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
  • bind-32:9.11.4-26.P2.el7_9.15.x86_64 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)
  • bind-32:9.11.4-26.P2.el7_9.15.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • bind-32:9.11.4-26.P2.el7_9.15.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • bind-chroot-32:9.11.4-26.P2.el7_9.15.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • bind-chroot-32:9.11.4-26.P2.el7_9.15.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • bind-chroot-32:9.11.4-26.P2.el7_9.15.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • bind-chroot-32:9.11.4-26.P2.el7_9.15.x86_64 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
  • bind-chroot-32:9.11.4-26.P2.el7_9.15.x86_64 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)
  • bind-chroot-32:9.11.4-26.P2.el7_9.15.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • bind-chroot-32:9.11.4-26.P2.el7_9.15.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • bind-debuginfo-32:9.11.4-26.P2.el7_9.15.i686 as a component of Red Hat Enterprise Linux Client (v. 7)
  • bind-debuginfo-32:9.11.4-26.P2.el7_9.15.i686 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
  • bind-debuginfo-32:9.11.4-26.P2.el7_9.15.i686 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)
  • bind-debuginfo-32:9.11.4-26.P2.el7_9.15.i686 as a component of Red Hat Enterprise Linux Server (v. 7)
  • bind-debuginfo-32:9.11.4-26.P2.el7_9.15.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • bind-debuginfo-32:9.11.4-26.P2.el7_9.15.i686 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • +153 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, the BIND daemon (named) will be restarted automatically. Workaround: By default, named only allows control-channel connections over the loopback interface, making this attack impossible to carry out over the network. When enabling remote access to the control channel’s configured TCP port, care should be taken to limit such access to trusted IP ranges on the network level, effectively preventing unauthorized parties from carrying out the attack described in this advisory.

🔗 References (4)