-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2017:0004-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2017-0004.html Issue date: 2017-01-03 CVE Names: CVE-2016-8666 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.1 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. 7.1) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.1) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.1) - ppc64, ppc64le, s390x, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * A flaw was found in the way the Linux kernel's networking subsystem handled offloaded packets with multiple layers of encapsulation in the GRO (Generic Receive Offload) code path. A remote attacker could use this flaw to trigger unbounded recursion in the kernel that could lead to stack corruption, resulting in a system crash. (CVE-2016-8666, Important) Bug Fix(es): * When a virtual machine (VM) with PCI-Passthrough interfaces was recreated, the operating system rebooted. This update fixes the race condition between the eventfd daemon and the virqfd daemon. As a result, the operating system no longer reboots in the described situation. (BZ#1391609) 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/): 1384991 - CVE-2016-8666 kernel: Remotely triggerable recursion in GRE code leading to kernel crash 6. Package List: Red Hat Enterprise Linux ComputeNode EUS (v. 7.1): Source: kernel-3.10.0-229.46.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-229.46.1.el7.noarch.rpm kernel-doc-3.10.0-229.46.1.el7.noarch.rpm x86_64: kernel-3.10.0-229.46.1.el7.x86_64.rpm kernel-debug-3.10.0-229.46.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-229.46.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.46.1.el7.x86_64.rpm kernel-devel-3.10.0-229.46.1.el7.x86_64.rpm kernel-headers-3.10.0-229.46.1.el7.x86_64.rpm kernel-tools-3.10.0-229.46.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-229.46.1.el7.x86_64.rpm perf-3.10.0-229.46.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1): x86_64: kernel-debug-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.46.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-229.46.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm python-perf-3.10.0-229.46.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.1): Source: kernel-3.10.0-229.46.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-229.46.1.el7.noarch.rpm kernel-doc-3.10.0-229.46.1.el7.noarch.rpm ppc64: kernel-3.10.0-229.46.1.el7.ppc64.rpm kernel-bootwrapper-3.10.0-229.46.1.el7.ppc64.rpm kernel-debug-3.10.0-229.46.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-229.46.1.el7.ppc64.rpm kernel-debug-devel-3.10.0-229.46.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-229.46.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-229.46.1.el7.ppc64.rpm kernel-devel-3.10.0-229.46.1.el7.ppc64.rpm kernel-headers-3.10.0-229.46.1.el7.ppc64.rpm kernel-tools-3.10.0-229.46.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-229.46.1.el7.ppc64.rpm kernel-tools-libs-3.10.0-229.46.1.el7.ppc64.rpm perf-3.10.0-229.46.1.el7.ppc64.rpm perf-debuginfo-3.10.0-229.46.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-229.46.1.el7.ppc64.rpm s390x: kernel-3.10.0-229.46.1.el7.s390x.rpm kernel-debug-3.10.0-229.46.1.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-229.46.1.el7.s390x.rpm kernel-debug-devel-3.10.0-229.46.1.el7.s390x.rpm kernel-debuginfo-3.10.0-229.46.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-229.46.1.el7.s390x.rpm kernel-devel-3.10.0-229.46.1.el7.s390x.rpm kernel-headers-3.10.0-229.46.1.el7.s390x.rpm kernel-kdump-3.10.0-229.46.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-229.46.1.el7.s390x.rpm kernel-kdump-devel-3.10.0-229.46.1.el7.s390x.rpm perf-3.10.0-229.46.1.el7.s390x.rpm perf-debuginfo-3.10.0-229.46.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-229.46.1.el7.s390x.rpm x86_64: kernel-3.10.0-229.46.1.el7.x86_64.rpm kernel-debug-3.10.0-229.46.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-229.46.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.46.1.el7.x86_64.rpm kernel-devel-3.10.0-229.46.1.el7.x86_64.rpm kernel-headers-3.10.0-229.46.1.el7.x86_64.rpm kernel-tools-3.10.0-229.46.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-229.46.1.el7.x86_64.rpm perf-3.10.0-229.46.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.1): Source: kernel-3.10.0-229.46.1.ael7b.src.rpm noarch: kernel-abi-whitelists-3.10.0-229.46.1.ael7b.noarch.rpm kernel-doc-3.10.0-229.46.1.ael7b.noarch.rpm ppc64le: kernel-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-bootwrapper-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-debug-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-debug-debuginfo-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-debuginfo-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-devel-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-headers-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-tools-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-tools-debuginfo-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-tools-libs-3.10.0-229.46.1.ael7b.ppc64le.rpm perf-3.10.0-229.46.1.ael7b.ppc64le.rpm perf-debuginfo-3.10.0-229.46.1.ael7b.ppc64le.rpm python-perf-debuginfo-3.10.0-229.46.1.ael7b.ppc64le.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.1): ppc64: kernel-debug-debuginfo-3.10.0-229.46.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-229.46.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-229.46.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-229.46.1.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-229.46.1.el7.ppc64.rpm perf-debuginfo-3.10.0-229.46.1.el7.ppc64.rpm python-perf-3.10.0-229.46.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-229.46.1.el7.ppc64.rpm s390x: kernel-debug-debuginfo-3.10.0-229.46.1.el7.s390x.rpm kernel-debuginfo-3.10.0-229.46.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-229.46.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-229.46.1.el7.s390x.rpm perf-debuginfo-3.10.0-229.46.1.el7.s390x.rpm python-perf-3.10.0-229.46.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-229.46.1.el7.s390x.rpm x86_64: kernel-debug-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.46.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-229.46.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm python-perf-3.10.0-229.46.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.46.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.1): ppc64le: kernel-debug-debuginfo-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-debug-devel-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-debuginfo-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-tools-debuginfo-3.10.0-229.46.1.ael7b.ppc64le.rpm kernel-tools-libs-devel-3.10.0-229.46.1.ael7b.ppc64le.rpm perf-debuginfo-3.10.0-229.46.1.ael7b.ppc64le.rpm python-perf-3.10.0-229.46.1.ael7b.ppc64le.rpm python-perf-debuginfo-3.10.0-229.46.1.ael7b.ppc64le.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-2016-8666 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 2017 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFYa/lHXlSAg2UNWIIRAvgJAJ91x1Dj3kwZIvOmgsHdcZJBN2259wCfYdZM g+xdIsEp7XP6WsrPNFpXii0= =sHit -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce