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Red Hat Enterprise Linux 7: RHSA-2021-2658-01 Important: Linuxptp Threat

An update for linuxptp is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: linuxptp security update Advisory ID: RHSA-2021:2658-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2658 Issue date: 2021-07-06 CVE Names: CVE-2021-3570 ==================================================================== 1. Summary: An update for linuxptp is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. 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 Client (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 3. Description: The linuxptp packages provide Precision Time Protocol (PTP) implementation for Linux according to IEEE standard 1588 for Linux. The dual design goals are to provide a robust implementation of the standard and to use the most relevant and modern Application Programming Interfaces (API) offered by the Linux kernel. Security Fix(es): * linuxptp: missing length check of forwarded messages (CVE-2021-3570) 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. 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/): 1966240 - CVE-2021-3570 linuxptp: missing length check of forwarded messages 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: linuxptp-2.0-2.el7_9.1.src.rpm x86_64: linuxptp-2.0-2.el7_9.1.x86_64.rpm linuxptp-debuginfo-2.0-2.el7_9.1.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: linuxptp-2.0-2.el7_9.1.src.rpm x86_64: linuxptp-2.0-2.el7_9.1.x86_64.rpm linuxptp-debuginfo-2.0-2.el7_9.1.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: linuxptp-2.0-2.el7_9.1.src.rpm ppc64: linuxptp-2.0-2.el7_9.1.ppc64.rpm linuxptp-debuginfo-2.0-2.el7_9.1.ppc64.rpm ppc64le: linuxptp-2.0-2.el7_9.1.ppc64le.rpm linuxptp-debuginfo-2.0-2.el7_9.1.ppc64le.rpm s390x: linuxptp-2.0-2.el7_9.1.s390x.rpm linuxptp-debuginfo-2.0-2.el7_9.1.s390x.rpm x86_64: linuxptp-2.0-2.el7_9.1.x86_64.rpm linuxptp-debuginfo-2.0-2.el7_9.1.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: linuxptp-2.0-2.el7_9.1.src.rpm x86_64: linuxptp-2.0-2.el7_9.1.x86_64.rpm linuxptp-debuginfo-2.0-2.el7_9.1.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-2021-3570 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPGv1 iQIVAwUBYOR/ttzjgjWX9erEAQjzww/8C0QIizxbouhNiATEy5y/c7TDlX4Nl82T QMfTZEgMkRwetikapIKIiYI5tzVIdwsnJACAiGxW/XGC/29pFQCx+NbcYocCz3dh hOKtBFCWtuTP+2E7WdS0YLBQMIGhHMLspvIikNbutIk4TAQAaB3MmOiyMq3eeEFG 4iFpR7n4kfm0rHwAfykpXz6DXL7wD2bx1pnhzZXXcJKlDTwqOdmL9745P7i9o0ZR HnpyTTMOluzWX6gpgrSTzVKdzbCVIW48ztpI+yboFnf0sUoQXniEN2t9b1V6mSoK 5pLLOi/vg/oc/XLXVXLfLx9oe41aK1QXMtgF8eeCZRG3mUdKY5Yhi2ZGiIc2HXyj /Zg/RAiDh+v3PEnCtnYuH9B+b+JDjtvB6nAwO8CCpHs9JiEt8skcPl2wK5atlzaK cAhbAjG+O80UXvt2AQcSxW87xA/Pl6WINmm6AHkxuvjNkmMPe964i2D8bSWGq2EK aR0hAHLZo/lPUIGYMmUJPuN9cVEevMnCha7SE9nfCSfCr+A066fVJGmsIwt6F7Dd Y0yNZC2wW7yWYaklyjCiY3s5sUTWeU7RfULmP7rUEWM4te8+oEK2vBgL+npVigWO HyYZG3JmbAQ2gKf7LwvygAraT2wXe6JpUcBvXwtvGTlcm7f/5Uyf6+o/ULHD+snY d+aTRjqiimM=m3KD -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . Crucial linuxptp enhancement for Red Hat Enterprise Linux 7 addressing security vulnerabilities and improving safety measures.. linuxptp update, Red Hat security, Important advisory, precision time protocol, security enhancement. . Severity: Important. LinuxSecurity.com Team

Jul 06, 2021 •Important Red Hat