-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: dhcp security and bug fix update Advisory ID: RHSA-2023:3000-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:3000 Issue date: 2023-05-16 CVE Names: CVE-2022-2928 CVE-2022-2929 ==================================================================== 1. Summary: An update for dhcp is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64 3. Description: The Dynamic Host Configuration Protocol (DHCP) is a protocol that allows individual devices on an IP network to get their own network configuration information, including an IP address, a subnet mask, and a broadcast address. The dhcp packages provide a relay agent and ISC DHCP service required to enable and administer DHCP on a network. Security Fix(es): * dhcp: option refcount overflow when leasequery is enabled leading to dhcpd abort (CVE-2022-2928) * dhcp: DHCP memory leak (CVE-2022-2929) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.8 Release Notes linked from the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 2132001 - CVE-2022-2929 dhcp: DHCP memory leak 2132002 - CVE-2022-2928 dhcp: option refcount overflow when leasequery is enabled leading to dhcpd abort 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: dhcp-4.3.6-49.el8.src.rpm aarch64: dhcp-client-4.3.6-49.el8.aarch64.rpm dhcp-client-debuginfo-4.3.6-49.el8.aarch64.rpm dhcp-debuginfo-4.3.6-49.el8.aarch64.rpm dhcp-debugsource-4.3.6-49.el8.aarch64.rpm dhcp-libs-4.3.6-49.el8.aarch64.rpm dhcp-libs-debuginfo-4.3.6-49.el8.aarch64.rpm dhcp-relay-4.3.6-49.el8.aarch64.rpm dhcp-relay-debuginfo-4.3.6-49.el8.aarch64.rpm dhcp-server-4.3.6-49.el8.aarch64.rpm dhcp-server-debuginfo-4.3.6-49.el8.aarch64.rpm noarch: dhcp-common-4.3.6-49.el8.noarch.rpm ppc64le: dhcp-client-4.3.6-49.el8.ppc64le.rpm dhcp-client-debuginfo-4.3.6-49.el8.ppc64le.rpm dhcp-debuginfo-4.3.6-49.el8.ppc64le.rpm dhcp-debugsource-4.3.6-49.el8.ppc64le.rpm dhcp-libs-4.3.6-49.el8.ppc64le.rpm dhcp-libs-debuginfo-4.3.6-49.el8.ppc64le.rpm dhcp-relay-4.3.6-49.el8.ppc64le.rpm dhcp-relay-debuginfo-4.3.6-49.el8.ppc64le.rpm dhcp-server-4.3.6-49.el8.ppc64le.rpm dhcp-server-debuginfo-4.3.6-49.el8.ppc64le.rpm s390x: dhcp-client-4.3.6-49.el8.s390x.rpm dhcp-client-debuginfo-4.3.6-49.el8.s390x.rpm dhcp-debuginfo-4.3.6-49.el8.s390x.rpm dhcp-debugsource-4.3.6-49.el8.s390x.rpm dhcp-libs-4.3.6-49.el8.s390x.rpm dhcp-libs-debuginfo-4.3.6-49.el8.s390x.rpm dhcp-relay-4.3.6-49.el8.s390x.rpm dhcp-relay-debuginfo-4.3.6-49.el8.s390x.rpm dhcp-server-4.3.6-49.el8.s390x.rpm dhcp-server-debuginfo-4.3.6-49.el8.s390x.rpm x86_64: dhcp-client-4.3.6-49.el8.x86_64.rpm dhcp-client-debuginfo-4.3.6-49.el8.i686.rpm dhcp-client-debuginfo-4.3.6-49.el8.x86_64.rpm dhcp-debuginfo-4.3.6-49.el8.i686.rpm dhcp-debuginfo-4.3.6-49.el8.x86_64.rpm dhcp-debugsource-4.3.6-49.el8.i686.rpm dhcp-debugsource-4.3.6-49.el8.x86_64.rpm dhcp-libs-4.3.6-49.el8.i686.rpm dhcp-libs-4.3.6-49.el8.x86_64.rpm dhcp-libs-debuginfo-4.3.6-49.el8.i686.rpm dhcp-libs-debuginfo-4.3.6-49.el8.x86_64.rpm dhcp-relay-4.3.6-49.el8.x86_64.rpm dhcp-relay-debuginfo-4.3.6-49.el8.i686.rpm dhcp-relay-debuginfo-4.3.6-49.el8.x86_64.rpm dhcp-server-4.3.6-49.el8.x86_64.rpm dhcp-server-debuginfo-4.3.6-49.el8.i686.rpm dhcp-server-debuginfo-4.3.6-49.el8.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2022-2928 https://access.redhat.com/security/cve/CVE-2022-2929 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.8_release_notes/index 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBZGNwt9zjgjWX9erEAQjjvw/+Jw8GNCDAtyunlAQK0/tamRTxy66riF1m 54fmdZpVsm9rj/X5r3aawojmYvI85OEj7JRLQmjrVxlaYRdRo6nijkUlSAkD8fxP 3YWBc/xdxxrXWUHF+1e2q3oKg+rbsnOmvfEmaujhN9RC64t2ak5GH5NYdr3moxwA LKEr3N40kE//2t2tfkNSTrfMLeBHSSB8CCcJEjgkdYLJorXTF9OHUGfhpM+kssE8 4vVOjawKsmkfSJ6BM8cnmU0l4MnWrcTgsP8ulZ8Z+PAzsEOf8bYwkHB9n9f9uBPB fSepZkeMo0v2gizm7EVY4f1b2NstGjTDufG9Nqqc2Ier3CtHduEJtOAfiVqgudVb +bCxF2C1jehu7ZJBCy238cbUyrmqMGug6IwrumFcynuisaDwBbfxGudB2BGNNQSf p/DGAAQq8Q+ltS+k/oXxmOhuJjyVdEwOFPp3FCdM/7TLHKrMuHoa3EeXFy3gmH1q J2dt9q8n8BBtCf8I9rd4x0DuLzxFBHjtqktM2SWc7kgLYA7EAEDCt1riSI+YdEOF jRstPLVzU2r04W7Q6w8EJ4v6nKFucvPWwDXlRYuDrCLQpK9WzUbT7hKivwRZ1wYB rzDR/Np/T5pTCeoTC5dBN2vtDJlx1FpCnAhltrT+esljth/LMgMLvBzgZ83fwnnq CHt4PxgpAmE=qsFz -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce