RHSA-2012:1140Medium

Red Hat Security Advisory: dhcp security update

Published
August 3, 2012
Last Modified
June 25, 2026

🔗 CVE IDs covered (1)

📋 Description

CVE-2012-3571 — dhcp: DoS due to error in handling malformed client identifiers

🎯 Affected products58

  • RHEL Desktop Workstation (v. 5 client)
  • Red Hat Enterprise Linux (v. 5 server)
  • Red Hat Enterprise Linux Desktop (v. 5 client)
  • dhclient-12:3.0.5-31.el5_8.1.i386 as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhclient-12:3.0.5-31.el5_8.1.i386 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)
  • dhclient-12:3.0.5-31.el5_8.1.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhclient-12:3.0.5-31.el5_8.1.ppc as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhclient-12:3.0.5-31.el5_8.1.s390x as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhclient-12:3.0.5-31.el5_8.1.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhclient-12:3.0.5-31.el5_8.1.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)
  • dhcp-12:3.0.5-31.el5_8.1.i386 as a component of RHEL Desktop Workstation (v. 5 client)
  • dhcp-12:3.0.5-31.el5_8.1.i386 as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhcp-12:3.0.5-31.el5_8.1.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhcp-12:3.0.5-31.el5_8.1.ppc as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhcp-12:3.0.5-31.el5_8.1.s390x as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhcp-12:3.0.5-31.el5_8.1.src as a component of RHEL Desktop Workstation (v. 5 client)
  • dhcp-12:3.0.5-31.el5_8.1.src as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhcp-12:3.0.5-31.el5_8.1.src as a component of Red Hat Enterprise Linux Desktop (v. 5 client)
  • dhcp-12:3.0.5-31.el5_8.1.x86_64 as a component of RHEL Desktop Workstation (v. 5 client)
  • dhcp-12:3.0.5-31.el5_8.1.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhcp-debuginfo-12:3.0.5-31.el5_8.1.i386 as a component of RHEL Desktop Workstation (v. 5 client)
  • dhcp-debuginfo-12:3.0.5-31.el5_8.1.i386 as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhcp-debuginfo-12:3.0.5-31.el5_8.1.i386 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)
  • dhcp-debuginfo-12:3.0.5-31.el5_8.1.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhcp-debuginfo-12:3.0.5-31.el5_8.1.ppc as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhcp-debuginfo-12:3.0.5-31.el5_8.1.ppc64 as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhcp-debuginfo-12:3.0.5-31.el5_8.1.s390 as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhcp-debuginfo-12:3.0.5-31.el5_8.1.s390x as a component of Red Hat Enterprise Linux (v. 5 server)
  • dhcp-debuginfo-12:3.0.5-31.el5_8.1.x86_64 as a component of RHEL Desktop Workstation (v. 5 client)
  • dhcp-debuginfo-12:3.0.5-31.el5_8.1.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)
  • +28 more not shown

✅ Remediation

Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

🔗 References (5)