-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2019:2837-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:2837 Issue date: 2019-09-20 CVE Names: CVE-2019-5489 CVE-2019-11810 ==================================================================== 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: page cache side channel attacks (CVE-2019-5489) * kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS (CVE-2019-11810) 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): * [RHEL7.7] Refined TSC clocksource calibration occasionally fails on some SkyLake-X servers (BZ#1719781) * tc: incorrect flows statistic on bond device (shared block) (BZ#1719786) * Qlogic qla2xxx driver version 10.x.x.x pins all irq requests to cpu0 and associated cores (BZ#1720956) * libceph: handle an empty authorize reply (BZ#1722769) * RHEL7.6 - pkey: Indicate old mkvp only if old and curr. mkvp are different (BZ#1723153) * RHEL7.6 - qdio: clear intparm during shutdown (BZ#1723154) * [RHEL7] Fix Spectre V1 vulnerability in vhost code (BZ#1724079) * [Stratus] 802.3ad bond group member disabled after reboot (or I/O failure testing) (BZ#1725037) * Accept validate negotiate if server returns NT_STATUS_NOT_SUPPORTED. (BZ#1726563) * [Regression] RHEL7.6 - losing dirty bit during THP splitting, possible memory corruption (mm-) (BZ#1727108) * [Intel 7.7 BUG] BUG: unable to handle kernel paging request at 000000006b4fd010 (BZ#1727110) * KVM tracebacks causing significant latency to VM (BZ#1728174) * NULL pointer dereference in vxlan_dellink+0xaa (BZ#1728198) * [rhel7]NULL pointer dereference at vxlan_fill_metadata_dst (BZ#1728199) * After update to RHEL 7.6 (3.10.0-957.1.3.el7.x86_64) from 7.4, customer has experienced multiple panics in kernel at BUG at drivers/iommu/iova.c:859! (BZ#1731300) * kernel build: speed up debuginfo extraction (BZ#1731464) * hpsa driver hard lockup trying to complete a no longer valid completion on the stack (BZ#1731980) * XFS: forced shutdown in xfs_trans_cancel during create near ENOSPC (BZ#1731982) * TCP packets are segmented when sent to the VLAN device when coming from VXLAN dev. (BZ#1732812) * panic handing smb2_reconnect due to a use after free (BZ#1737381) * Backport TCP follow-up for small buffers (BZ#1739129) 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/): 1664110 - CVE-2019-5489 Kernel: page cache side channel attacks 1709164 - CVE-2019-11810 kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS 6. Package List: Red Hat Enterprise Linux ComputeNode EUS (v. 7.6): Source: kernel-3.10.0-957.35.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-957.35.1.el7.noarch.rpm kernel-doc-3.10.0-957.35.1.el7.noarch.rpm x86_64: bpftool-3.10.0-957.35.1.el7.x86_64.rpm kernel-3.10.0-957.35.1.el7.x86_64.rpm kernel-debug-3.10.0-957.35.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.35.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.35.1.el7.x86_64.rpm kernel-devel-3.10.0-957.35.1.el7.x86_64.rpm kernel-headers-3.10.0-957.35.1.el7.x86_64.rpm kernel-tools-3.10.0-957.35.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.35.1.el7.x86_64.rpm perf-3.10.0-957.35.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm python-perf-3.10.0-957.35.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6): x86_64: kernel-debug-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.35.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-957.35.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.6): Source: kernel-3.10.0-957.35.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-957.35.1.el7.noarch.rpm kernel-doc-3.10.0-957.35.1.el7.noarch.rpm ppc64: kernel-3.10.0-957.35.1.el7.ppc64.rpm kernel-bootwrapper-3.10.0-957.35.1.el7.ppc64.rpm kernel-debug-3.10.0-957.35.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm kernel-debug-devel-3.10.0-957.35.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-957.35.1.el7.ppc64.rpm kernel-devel-3.10.0-957.35.1.el7.ppc64.rpm kernel-headers-3.10.0-957.35.1.el7.ppc64.rpm kernel-tools-3.10.0-957.35.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm kernel-tools-libs-3.10.0-957.35.1.el7.ppc64.rpm perf-3.10.0-957.35.1.el7.ppc64.rpm perf-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm python-perf-3.10.0-957.35.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm ppc64le: kernel-3.10.0-957.35.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-957.35.1.el7.ppc64le.rpm kernel-debug-3.10.0-957.35.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-957.35.1.el7.ppc64le.rpm kernel-devel-3.10.0-957.35.1.el7.ppc64le.rpm kernel-headers-3.10.0-957.35.1.el7.ppc64le.rpm kernel-tools-3.10.0-957.35.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-957.35.1.el7.ppc64le.rpm perf-3.10.0-957.35.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm python-perf-3.10.0-957.35.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm s390x: kernel-3.10.0-957.35.1.el7.s390x.rpm kernel-debug-3.10.0-957.35.1.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-957.35.1.el7.s390x.rpm kernel-debug-devel-3.10.0-957.35.1.el7.s390x.rpm kernel-debuginfo-3.10.0-957.35.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-957.35.1.el7.s390x.rpm kernel-devel-3.10.0-957.35.1.el7.s390x.rpm kernel-headers-3.10.0-957.35.1.el7.s390x.rpm kernel-kdump-3.10.0-957.35.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-957.35.1.el7.s390x.rpm kernel-kdump-devel-3.10.0-957.35.1.el7.s390x.rpm perf-3.10.0-957.35.1.el7.s390x.rpm perf-debuginfo-3.10.0-957.35.1.el7.s390x.rpm python-perf-3.10.0-957.35.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-957.35.1.el7.s390x.rpm x86_64: bpftool-3.10.0-957.35.1.el7.x86_64.rpm kernel-3.10.0-957.35.1.el7.x86_64.rpm kernel-debug-3.10.0-957.35.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.35.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.35.1.el7.x86_64.rpm kernel-devel-3.10.0-957.35.1.el7.x86_64.rpm kernel-headers-3.10.0-957.35.1.el7.x86_64.rpm kernel-tools-3.10.0-957.35.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.35.1.el7.x86_64.rpm perf-3.10.0-957.35.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm python-perf-3.10.0-957.35.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.6): ppc64: kernel-debug-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-957.35.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-957.35.1.el7.ppc64.rpm perf-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-957.35.1.el7.ppc64.rpm ppc64le: kernel-debug-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-957.35.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-957.35.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-957.35.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-957.35.1.el7.ppc64le.rpm x86_64: kernel-debug-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.35.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-957.35.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.35.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.35.1.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-2019-5489 https://access.redhat.com/security/cve/CVE-2019-11810 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 2019 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXYSvz9zjgjWX9erEAQivuw/9F1wXv0JCxTkwhPu0DmzgQpbhXgFw7Kx7 Uw31MpK00tGE20GI6l3mauFUBlGorVVDd9s5upPUQbe0IR1pC07bIKqc7izGeT1b 6MFyKXDMC98hCyNWVyU0XWnOPOAhaPfawVdwMLLcLrrNDflZcZlKOPV6oLES97A8 1b+WH04J89/mOIe8pnOBCL2+QesjEOIhWdw4bvUEs8GEL8+cvmFbhsPFJjYjPWbt TZtw8itT5EJhOJzRzUIVP+k6w0En918M61PfXkUrHsOLfJMNUwdGVvkx7sR4EhC+ WyU+8XOmNgBjenRDFf5Ke3mMz4hKSqwyXIr+2w/lzmh5MJJKYYD56nb7L60tVIEF 968wu22FOx87rHCgw+xj0/cvL2l+KuSCCia/EC5x4038P61jtyQ6AGR+Dc9wa27v 0fxX7HhnhrkdurqbxLlZ8MB9/V/zrMvWCRL96A4WTzo7tksV968Q+USOMjfz3rvK 2UGjWBKmYXWh9BjDQBsmvf/Nm7MOGYy1D2KK91QBmpeRnn/iZ4xVZ3uiqyx9MKoY 1CijbCjH7EEM8L5Nr8MaY72Q4UXJdhpNGQf43eFSDuqDhQy0fOGiHqsGPlLhFcoj 7t2qGsN3QciyVPW4SPzK9uMUyfZSBUBQx4kOc0Qz8irS4OYnMBfkC0FRBdGyn530 iRQE3nGtVc0=/olg -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce