-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2020:2429-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2429 Issue date: 2020-06-09 CVE Names: CVE-2019-18660 CVE-2020-10711 CVE-2020-11884 CVE-2020-12657 ==================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 8.0 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 BaseOS E4S (v. 8.0) - aarch64, noarch, ppc64le, s390x, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711) * Kernel: s390: page table upgrade in secondary address mode may lead to privilege escalation (CVE-2020-11884) * kernel: use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body (CVE-2020-12657) * kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660) 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. Bug Fix(es): * kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1840684) * missing version.h dependency for modpost may cause build to fail (BZ#1828227) * efi: kernel panic during ltp fs test - read_all -d /sys -q -r 10 (BZ#1829525) 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/): 1777825 - CVE-2019-18660 kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure 1825116 - CVE-2020-10711 Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic 1828149 - CVE-2020-11884 Kernel: s390: page table upgrade in secondary address mode may lead to privilege escalation 1832866 - CVE-2020-12657 kernel: use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body 6. Package List: Red Hat Enterprise Linux BaseOS E4S (v. 8.0): Source: kernel-4.18.0-80.23.2.el8_0.src.rpm aarch64: bpftool-4.18.0-80.23.2.el8_0.aarch64.rpm bpftool-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-core-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-cross-headers-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debug-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debug-core-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debug-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debug-devel-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debug-modules-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debug-modules-extra-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-devel-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-headers-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-modules-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-modules-extra-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-tools-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-tools-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-tools-libs-4.18.0-80.23.2.el8_0.aarch64.rpm perf-4.18.0-80.23.2.el8_0.aarch64.rpm perf-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm python3-perf-4.18.0-80.23.2.el8_0.aarch64.rpm python3-perf-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm noarch: kernel-abi-whitelists-4.18.0-80.23.2.el8_0.noarch.rpm kernel-doc-4.18.0-80.23.2.el8_0.noarch.rpm ppc64le: bpftool-4.18.0-80.23.2.el8_0.ppc64le.rpm bpftool-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-core-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-cross-headers-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debug-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debug-core-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debug-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debug-devel-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debug-modules-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debug-modules-extra-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-devel-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-headers-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-modules-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-modules-extra-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-tools-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-tools-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-tools-libs-4.18.0-80.23.2.el8_0.ppc64le.rpm perf-4.18.0-80.23.2.el8_0.ppc64le.rpm perf-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm python3-perf-4.18.0-80.23.2.el8_0.ppc64le.rpm python3-perf-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm s390x: bpftool-4.18.0-80.23.2.el8_0.s390x.rpm bpftool-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm kernel-4.18.0-80.23.2.el8_0.s390x.rpm kernel-core-4.18.0-80.23.2.el8_0.s390x.rpm kernel-cross-headers-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debug-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debug-core-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debug-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debug-devel-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debug-modules-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debug-modules-extra-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-80.23.2.el8_0.s390x.rpm kernel-devel-4.18.0-80.23.2.el8_0.s390x.rpm kernel-headers-4.18.0-80.23.2.el8_0.s390x.rpm kernel-modules-4.18.0-80.23.2.el8_0.s390x.rpm kernel-modules-extra-4.18.0-80.23.2.el8_0.s390x.rpm kernel-tools-4.18.0-80.23.2.el8_0.s390x.rpm kernel-tools-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm kernel-zfcpdump-4.18.0-80.23.2.el8_0.s390x.rpm kernel-zfcpdump-core-4.18.0-80.23.2.el8_0.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm kernel-zfcpdump-devel-4.18.0-80.23.2.el8_0.s390x.rpm kernel-zfcpdump-modules-4.18.0-80.23.2.el8_0.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-80.23.2.el8_0.s390x.rpm perf-4.18.0-80.23.2.el8_0.s390x.rpm perf-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm python3-perf-4.18.0-80.23.2.el8_0.s390x.rpm python3-perf-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm x86_64: bpftool-4.18.0-80.23.2.el8_0.x86_64.rpm bpftool-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-core-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-cross-headers-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debug-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debug-core-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debug-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debug-devel-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debug-modules-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debug-modules-extra-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-devel-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-headers-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-modules-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-modules-extra-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-tools-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-tools-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-tools-libs-4.18.0-80.23.2.el8_0.x86_64.rpm perf-4.18.0-80.23.2.el8_0.x86_64.rpm perf-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm python3-perf-4.18.0-80.23.2.el8_0.x86_64.rpm python3-perf-debuginfo-4.18.0-80.23.2.el8_0.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-2019-18660 https://access.redhat.com/security/cve/CVE-2020-10711 https://access.redhat.com/security/cve/CVE-2020-11884 https://access.redhat.com/security/cve/CVE-2020-12657 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/solutions/5142691 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 iQIVAwUBXt/Y6tzjgjWX9erEAQiqZhAAiHOr3x74A4yMOGIjpisnciRlxCfya9hu 4ngUfnuzuH3QY4aC/JetlNzMMzaG79bgQwDnwiVZLyDjUD9X6LG71q0+EFWiesI9 fuiz1SUObGxXFOmiIbR2/rzkYoxVCJfoKFkby7BLaN7lr8jI2/Aq5b/6MfsSGcTH gF/XGTw3kSOAPJ/bfvRz43s+QS1egmelejC7hJGi0WDn0s9Ffr9AvrCPoH2Cd/u3 2bBkf6IQvVQbvPh8mHVn7AxPqLL+/7VZoOvADlAoMdqPAP/WGhLwfORlZT0f3D6A BYyugKPvzSK0UyNWOtkWPuQyH70InRWJPOewrstXWKnL6F9Nly3ehlodOMe0VJW2 8GETz3dY+aKUu9IHzS5Hu7XlI02JFhuV0RYiH/FwedCZmkOB0+oM5ff1iotuaton DFReBsZfQEz1UH19jwDkfTBOKyBoQdgFbmig/kI/QtpXEjWqnTJr92wKaaLsy4s4 G+g/lNRrJ/inCNl7nckVmtRxNYxXCT9FiDfH9OCZK+u8gJUb+GbLq0q6rH/whQ5/ Qxlnk19Mu4bB+HfV3Kv4E1yCjqGakCgDjrUrgIsrhPzu1yOOZ/tXzCk3B/b8MOyK +Snipswb00MKbbkb1+PT4lFyD97fGZ80DQqVKLzb5QHmoREs7Qan1A651h0essWV 9AjUFD+EOc4=ghVW -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce