-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2020:2289-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2289 Issue date: 2020-05-26 CVE Names: CVE-2017-18595 CVE-2019-3846 CVE-2019-10126 CVE-2019-19768 CVE-2020-10711 ==================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.6 Extended Update Support. 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 ComputeNode EUS (v. 7.6) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - ppc64, ppc64le, 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: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c (CVE-2019-3846) * kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c (CVE-2019-10126) * 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. Bug Fix(es): * Observed a memory leak while using dm-multipath (BZ#1812935) * Backport: Guest microcode version mismatch on secondary processors (BZ#1814001) * dm-multipath high load backport incorrect (BZ#1814533) * ixgbe reports "Detected Tx Unit Hang" with adapter reset on RHEL 7 (BZ#1816990) * RHEL7: block mq hang of a blk_mq_freeze_queue_wait(), which waits for a zero of a q_usage_counter, which never happens (BZ#1824543) 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/): 1713059 - CVE-2019-3846 kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c 1716992 - CVE-2019-10126 kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c 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 ComputeNode EUS (v. 7.6): Source: kernel-3.10.0-957.54.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-957.54.1.el7.noarch.rpm kernel-doc-3.10.0-957.54.1.el7.noarch.rpm x86_64: bpftool-3.10.0-957.54.1.el7.x86_64.rpm kernel-3.10.0-957.54.1.el7.x86_64.rpm kernel-debug-3.10.0-957.54.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.54.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.54.1.el7.x86_64.rpm kernel-devel-3.10.0-957.54.1.el7.x86_64.rpm kernel-headers-3.10.0-957.54.1.el7.x86_64.rpm kernel-tools-3.10.0-957.54.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.54.1.el7.x86_64.rpm perf-3.10.0-957.54.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm python-perf-3.10.0-957.54.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6): x86_64: kernel-debug-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.54.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-957.54.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.6): Source: kernel-3.10.0-957.54.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-957.54.1.el7.noarch.rpm kernel-doc-3.10.0-957.54.1.el7.noarch.rpm ppc64: kernel-3.10.0-957.54.1.el7.ppc64.rpm kernel-bootwrapper-3.10.0-957.54.1.el7.ppc64.rpm kernel-debug-3.10.0-957.54.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm kernel-debug-devel-3.10.0-957.54.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-957.54.1.el7.ppc64.rpm kernel-devel-3.10.0-957.54.1.el7.ppc64.rpm kernel-headers-3.10.0-957.54.1.el7.ppc64.rpm kernel-tools-3.10.0-957.54.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm kernel-tools-libs-3.10.0-957.54.1.el7.ppc64.rpm perf-3.10.0-957.54.1.el7.ppc64.rpm perf-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm python-perf-3.10.0-957.54.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm ppc64le: kernel-3.10.0-957.54.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-957.54.1.el7.ppc64le.rpm kernel-debug-3.10.0-957.54.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-957.54.1.el7.ppc64le.rpm kernel-devel-3.10.0-957.54.1.el7.ppc64le.rpm kernel-headers-3.10.0-957.54.1.el7.ppc64le.rpm kernel-tools-3.10.0-957.54.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-957.54.1.el7.ppc64le.rpm perf-3.10.0-957.54.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm python-perf-3.10.0-957.54.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm s390x: kernel-3.10.0-957.54.1.el7.s390x.rpm kernel-debug-3.10.0-957.54.1.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-957.54.1.el7.s390x.rpm kernel-debug-devel-3.10.0-957.54.1.el7.s390x.rpm kernel-debuginfo-3.10.0-957.54.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-957.54.1.el7.s390x.rpm kernel-devel-3.10.0-957.54.1.el7.s390x.rpm kernel-headers-3.10.0-957.54.1.el7.s390x.rpm kernel-kdump-3.10.0-957.54.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-957.54.1.el7.s390x.rpm kernel-kdump-devel-3.10.0-957.54.1.el7.s390x.rpm perf-3.10.0-957.54.1.el7.s390x.rpm perf-debuginfo-3.10.0-957.54.1.el7.s390x.rpm python-perf-3.10.0-957.54.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-957.54.1.el7.s390x.rpm x86_64: bpftool-3.10.0-957.54.1.el7.x86_64.rpm kernel-3.10.0-957.54.1.el7.x86_64.rpm kernel-debug-3.10.0-957.54.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.54.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.54.1.el7.x86_64.rpm kernel-devel-3.10.0-957.54.1.el7.x86_64.rpm kernel-headers-3.10.0-957.54.1.el7.x86_64.rpm kernel-tools-3.10.0-957.54.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.54.1.el7.x86_64.rpm perf-3.10.0-957.54.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm python-perf-3.10.0-957.54.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.6): ppc64: kernel-debug-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-957.54.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-957.54.1.el7.ppc64.rpm perf-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-957.54.1.el7.ppc64.rpm ppc64le: kernel-debug-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-957.54.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-957.54.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-957.54.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-957.54.1.el7.ppc64le.rpm x86_64: kernel-debug-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.54.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-957.54.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.54.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.54.1.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-2019-3846 https://access.redhat.com/security/cve/CVE-2019-10126 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 iQIVAwUBXsz7J9zjgjWX9erEAQjy6xAAn+nd9VKGtRJll/UdBHuJs7SYDaa7150j DnTtqn3Izs1czRtzl2Eel7E7WwTAudOQmFlfOEY9RkCbYPLX2iNsnYNJXwlPCQtm HByVN8BT/TDTYA0TN1X3I8QGWz6Q3lkIQUNSH0cJUAMSLovwzyaCwoaigi7RfiXW FkrtTh/Iy2782le/LUdr7Nxbym1Um5xzmATEooPGKotAt/GQ00YHJ1JPwU8+C5eK YSnXwL/BjLNxRz2hoMKrqgMTNHRYkR5v+vRvybSQm98rVSSpGHLkbnsi0j7bIFno yBuv/OgO428zwLa+8LqGwb6xH50+zRBZFs2DdPx6x2Zl+fze8kF9/sQouBALH30e 710oUle9jzplygdDtoG6015Xcabr4eEmFxz6VOqICgtxrsVQ8n/RBEPoGin0F46h EghxpXDfNifMi/taY5TT49I4/AoiH+xXjn56aixVYtVQMORQo/C7HPvGpCgVbHbW UpLx2A7QUPuzACVoujRSn2oZTw1KZAzbl9dK9NTSRAwQgJx+Bs+KWR/fVyj5vCx+ rFq9GNh90rxSZY2l0h59U0ymm7bX9Qv00ZJRxlWkpWtX7NKUh9oTCSyR09OSDOMf AWfujilqtecJrGKstWoHdpINI5tEKVvRXn1NcUt08f80yaNb6jwT98+G6n2pKFav uMfpDvBAbV4=EWbV -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce