-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2020:2214-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2214 Issue date: 2020-05-19 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 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 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. 7.4) - noarch, x86_64 Red Hat Enterprise Linux Server E4S (v. 7.4) - noarch, ppc64le, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.4) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.4) - x86_64 Red Hat Enterprise Linux Server TUS (v. 7.4) - 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. 7.4): Source: kernel-3.10.0-693.67.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-693.67.1.el7.noarch.rpm kernel-doc-3.10.0-693.67.1.el7.noarch.rpm x86_64: kernel-3.10.0-693.67.1.el7.x86_64.rpm kernel-debug-3.10.0-693.67.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.67.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.67.1.el7.x86_64.rpm kernel-devel-3.10.0-693.67.1.el7.x86_64.rpm kernel-headers-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.67.1.el7.x86_64.rpm perf-3.10.0-693.67.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm python-perf-3.10.0-693.67.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.4): Source: kernel-3.10.0-693.67.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-693.67.1.el7.noarch.rpm kernel-doc-3.10.0-693.67.1.el7.noarch.rpm ppc64le: kernel-3.10.0-693.67.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-693.67.1.el7.ppc64le.rpm kernel-debug-3.10.0-693.67.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-693.67.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-693.67.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-693.67.1.el7.ppc64le.rpm kernel-devel-3.10.0-693.67.1.el7.ppc64le.rpm kernel-headers-3.10.0-693.67.1.el7.ppc64le.rpm kernel-tools-3.10.0-693.67.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-693.67.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-693.67.1.el7.ppc64le.rpm perf-3.10.0-693.67.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-693.67.1.el7.ppc64le.rpm python-perf-3.10.0-693.67.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-693.67.1.el7.ppc64le.rpm x86_64: kernel-3.10.0-693.67.1.el7.x86_64.rpm kernel-debug-3.10.0-693.67.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.67.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.67.1.el7.x86_64.rpm kernel-devel-3.10.0-693.67.1.el7.x86_64.rpm kernel-headers-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.67.1.el7.x86_64.rpm perf-3.10.0-693.67.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm python-perf-3.10.0-693.67.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm Red Hat Enterprise Linux Server TUS (v. 7.4): Source: kernel-3.10.0-693.67.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-693.67.1.el7.noarch.rpm kernel-doc-3.10.0-693.67.1.el7.noarch.rpm x86_64: kernel-3.10.0-693.67.1.el7.x86_64.rpm kernel-debug-3.10.0-693.67.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.67.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.67.1.el7.x86_64.rpm kernel-devel-3.10.0-693.67.1.el7.x86_64.rpm kernel-headers-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.67.1.el7.x86_64.rpm perf-3.10.0-693.67.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm python-perf-3.10.0-693.67.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.4): x86_64: kernel-debug-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-693.67.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.4): ppc64le: kernel-debug-debuginfo-3.10.0-693.67.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-693.67.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-693.67.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-693.67.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-693.67.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-693.67.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-693.67.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-693.67.1.el7.ppc64le.rpm x86_64: kernel-debug-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-693.67.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.4): x86_64: kernel-debug-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-693.67.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.67.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.67.1.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: GnuPG v1 iQIVAwUBXsPwQNzjgjWX9erEAQjrVA/8D9RdiE7wf6RAWKKV/I0HmKuXrGecJhbW dDSyURIXi3zPtUHqa7aa64geBTi/Sb3WhxNgKfbVOToMSC5yLkHYW4ecZirDHTmr F2SGSmzFq0GSPN6nPVNQJ4CkV3oaFfXGBmeX4jCA8kdnFpW3v2EZgo90ikGQYwIn QohESsrwZIKJsWyenapuymk5E6klLIOmVv+mihHsN1rZQIaItwbUBlfCM6HGjzv4 sfJDXwRMc8+22xdc9KlMkbRyOLqZ5TU9Xm5qENis+612OQ6wEYjyZnlDmnZEfWem U3krM03JzycNZXizYIq8vXYb9j+kZ6BbFV7SV700QZzDvKvIk7V3xwHU/aN0P9Da 2R3Fe7A+yK1wKBQCIgDKILmD+BH4WK4z+RKGTOSzFN7DEdCWAYDS2gyDNH4I+SSJ GTpKbwD89YRYZsFuaLJ+3Fmlay1B0zfri0TJuCxjC95Xr5fC6cQ5z/t2eShnY7JB /Vd1JGCBDQA0I+K/Gon+Bj2NScP5aXuTfwthAaMqj9bcKOhEhswRhsyXOb2rVddd qOBaJrkFnltvQQHl7JdaUWMoefkg3C4/qwCQKPOTUVpjFpLvaxmhmUGW8UCvkY8o HnjmV1VEpLPl67D7I5gnzGzuoZVXd576u1qisRwgs05/Pmm0j+f0JNr81D5DUinC gt3XbK7EqqA=vE0e -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce