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RedHat 7.3 RHSA-2020-2277-01 Important: Kernel Security Update

An update for kernel is now available for Red Hat Enterprise Linux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.3 Telco Extended Update Support, and Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions.. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2020:2277-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2277 Issue date: 2020-05-26 CVE Names: CVE-2017-18595 CVE-2019-19768 CVE-2020-10711 ==================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.3 Telco Extended Update Support, and Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions. 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 Server AUS (v. 7.3) - noarch, x86_64 Red Hat Enterprise Linux Server E4S (v. 7.3) - noarch, ppc64le, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.3) - x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.3) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.3) - x86_64 Red Hat Enterprise Linux Server TUS (v. 7.3) - noarch, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c (CVE-2017-18595) * kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768) * Kernel:NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711) 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 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1758671 - CVE-2017-18595 kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c 1786164 - CVE-2019-19768 kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c 1825116 - CVE-2020-10711 Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.3): Source: kernel-3.10.0-514.76.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-514.76.1.el7.noarch.rpm kernel-doc-3.10.0-514.76.1.el7.noarch.rpm x86_64: kernel-3.10.0-514.76.1.el7.x86_64.rpm kernel-debug-3.10.0-514.76.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-514.76.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-514.76.1.el7.x86_64.rpm kernel-devel-3.10.0-514.76.1.el7.x86_64.rpm kernel-headers-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-514.76.1.el7.x86_64.rpm perf-3.10.0-514.76.1.el7.x86_64.rpm perf-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm python-perf-3.10.0-514.76.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm Red Hat Enterprise Linux Server E4S (v.7.3): Source: kernel-3.10.0-514.76.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-514.76.1.el7.noarch.rpm kernel-doc-3.10.0-514.76.1.el7.noarch.rpm ppc64le: kernel-3.10.0-514.76.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-514.76.1.el7.ppc64le.rpm kernel-debug-3.10.0-514.76.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-514.76.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-514.76.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-514.76.1.el7.ppc64le.rpm kernel-devel-3.10.0-514.76.1.el7.ppc64le.rpm kernel-headers-3.10.0-514.76.1.el7.ppc64le.rpm kernel-tools-3.10.0-514.76.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-514.76.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-514.76.1.el7.ppc64le.rpm perf-3.10.0-514.76.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-514.76.1.el7.ppc64le.rpm python-perf-3.10.0-514.76.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-514.76.1.el7.ppc64le.rpm x86_64: kernel-3.10.0-514.76.1.el7.x86_64.rpm kernel-debug-3.10.0-514.76.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-514.76.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-514.76.1.el7.x86_64.rpm kernel-devel-3.10.0-514.76.1.el7.x86_64.rpm kernel-headers-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-514.76.1.el7.x86_64.rpm perf-3.10.0-514.76.1.el7.x86_64.rpm perf-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm python-perf-3.10.0-514.76.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm Red Hat Enterprise Linux Server TUS (v.7.3): Source: kernel-3.10.0-514.76.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-514.76.1.el7.noarch.rpm kernel-doc-3.10.0-514.76.1.el7.noarch.rpm x86_64: kernel-3.10.0-514.76.1.el7.x86_64.rpm kernel-debug-3.10.0-514.76.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-514.76.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-514.76.1.el7.x86_64.rpm kernel-devel-3.10.0-514.76.1.el7.x86_64.rpm kernel-headers-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-514.76.1.el7.x86_64.rpm perf-3.10.0-514.76.1.el7.x86_64.rpm perf-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm python-perf-3.10.0-514.76.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.3): x86_64: kernel-debug-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-514.76.1.el7.x86_64.rpm perf-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional E4S (v.7.3): ppc64le: kernel-debug-debuginfo-3.10.0-514.76.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-514.76.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-514.76.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-514.76.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-514.76.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-514.76.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-514.76.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-514.76.1.el7.ppc64le.rpm x86_64: kernel-debug-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-514.76.1.el7.x86_64.rpm perf-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.3): x86_64: kernel-debug-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-514.76.1.el7.x86_64.rpm perf-debuginfo-3.10.0-514.76.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-514.76.1.el7.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-2017-18595 https://access.redhat.com/security/cve/CVE-2019-19768 https://access.redhat.com/security/cve/CVE-2020-10711 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 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPGv1 iQIVAwUBXszkM9zjgjWX9erEAQhdyxAAhseXtQrGz4vT0GpaFLyoJmmCcIHFwY1t KvM1AOOehc9OXxgOoluGknouEf045uRGpRCxW/dH/jymRQVbzEJptA15bcaweGuO mOuY5IrnBEFffSTJo9MwwXPdQw6ji7fu1IJ/Ks7eMmEkPshcVj8uiMnJS06alCof EiQcZG3lcCgZUZ3p2BFNkiJr0X9cj6BZDP6VEdD0pTCh8i3KyUVTE4XWdRHda2KX ICHFeIz4dVWNC4cuBxz0cU8HALdAkp7cd2CT7xmffo1JplFf0dxQs+RlfVB8/tjF med1ej9aWZUzUGBu5RhLJWk1Pf/Rs/eBV0uf8d9EHJiTu5WT7l2p/RK1UgFssS43 Wtye6VGDccYCXzb0Hou7hUSwciY79LvlnbpCmkTtkttBGJdT96/LBn0HoB5jeZqU haBDJbMvmW4frJ48QcWsCDsdhpNu081pjNDgEJidke20Baunc6rfkxS2C0jKl7mz fEpuhTZ/7Pt1npEyUlW7k8n03pEtrVaDUN9uKKsK+Lrl7CcDu4cwMvaorX1GNqKF 0kIOjRvno3n9til3pChG2aTbit19AkwUQS/BtBJmNxaPUO4igbwwHswld/4RgifW Jx+izmKrUY4FCi59sPda0/KgBtbRHtJqb3moxrULWU4PCip6UOAcOMJ/phMaesYR uiwxAN/nzNc=Nv5c -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . Keep abreast of the vital kernel security patch for RHEL 7.3. Key actions for prevention outlined.. RedHat Kernel Update, Security Advisory, Linux Kernel Fix. . Severity: Important. LinuxSecurity.com Team

May 26, 2020 •Important Red Hat