-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security, bug fix, and enhancement update Advisory ID: RHSA-2016:2695-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-2695.html Issue date: 2016-11-09 CVE Names: CVE-2016-3841 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.2 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. 7.2) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.2) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.2) - ppc64, ppc64le, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * It was found that the Linux kernel's IPv6 implementation mishandled socket options. A local attacker could abuse concurrent access to the socket options to escalate their privileges, or cause a denial of service (use-after-free and system crash) via a crafted sendmsg system call. (CVE-2016-3841, Important) Additional Changes: Space precludes documenting all of the bug fixes and enhancements included in this advisory. To see the complete list of bug fixes and enhancements, refer to the following KnowledgeBase article: https://access.redhat.com/articles/2754251 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/): 1364971 - CVE-2016-3841 kernel: use-after-free via crafted IPV6 sendmsg for raw / tcp / udp / l2tp sockets. 6. Package List: Red Hat Enterprise Linux ComputeNode EUS (v. 7.2): Source: kernel-3.10.0-327.41.3.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-327.41.3.el7.noarch.rpm kernel-doc-3.10.0-327.41.3.el7.noarch.rpm x86_64: kernel-3.10.0-327.41.3.el7.x86_64.rpm kernel-debug-3.10.0-327.41.3.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm kernel-debug-devel-3.10.0-327.41.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.41.3.el7.x86_64.rpm kernel-devel-3.10.0-327.41.3.el7.x86_64.rpm kernel-headers-3.10.0-327.41.3.el7.x86_64.rpm kernel-tools-3.10.0-327.41.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm kernel-tools-libs-3.10.0-327.41.3.el7.x86_64.rpm perf-3.10.0-327.41.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm python-perf-3.10.0-327.41.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2): x86_64: kernel-debug-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.41.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-327.41.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.2): Source: kernel-3.10.0-327.41.3.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-327.41.3.el7.noarch.rpm kernel-doc-3.10.0-327.41.3.el7.noarch.rpm ppc64: kernel-3.10.0-327.41.3.el7.ppc64.rpm kernel-bootwrapper-3.10.0-327.41.3.el7.ppc64.rpm kernel-debug-3.10.0-327.41.3.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-327.41.3.el7.ppc64.rpm kernel-debug-devel-3.10.0-327.41.3.el7.ppc64.rpm kernel-debuginfo-3.10.0-327.41.3.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-327.41.3.el7.ppc64.rpm kernel-devel-3.10.0-327.41.3.el7.ppc64.rpm kernel-headers-3.10.0-327.41.3.el7.ppc64.rpm kernel-tools-3.10.0-327.41.3.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-327.41.3.el7.ppc64.rpm kernel-tools-libs-3.10.0-327.41.3.el7.ppc64.rpm perf-3.10.0-327.41.3.el7.ppc64.rpm perf-debuginfo-3.10.0-327.41.3.el7.ppc64.rpm python-perf-3.10.0-327.41.3.el7.ppc64.rpm python-perf-debuginfo-3.10.0-327.41.3.el7.ppc64.rpm ppc64le: kernel-3.10.0-327.41.3.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-327.41.3.el7.ppc64le.rpm kernel-debug-3.10.0-327.41.3.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-327.41.3.el7.ppc64le.rpm kernel-debuginfo-3.10.0-327.41.3.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-327.41.3.el7.ppc64le.rpm kernel-devel-3.10.0-327.41.3.el7.ppc64le.rpm kernel-headers-3.10.0-327.41.3.el7.ppc64le.rpm kernel-tools-3.10.0-327.41.3.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-327.41.3.el7.ppc64le.rpm kernel-tools-libs-3.10.0-327.41.3.el7.ppc64le.rpm perf-3.10.0-327.41.3.el7.ppc64le.rpm perf-debuginfo-3.10.0-327.41.3.el7.ppc64le.rpm python-perf-3.10.0-327.41.3.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-327.41.3.el7.ppc64le.rpm s390x: kernel-3.10.0-327.41.3.el7.s390x.rpm kernel-debug-3.10.0-327.41.3.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-327.41.3.el7.s390x.rpm kernel-debug-devel-3.10.0-327.41.3.el7.s390x.rpm kernel-debuginfo-3.10.0-327.41.3.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-327.41.3.el7.s390x.rpm kernel-devel-3.10.0-327.41.3.el7.s390x.rpm kernel-headers-3.10.0-327.41.3.el7.s390x.rpm kernel-kdump-3.10.0-327.41.3.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-327.41.3.el7.s390x.rpm kernel-kdump-devel-3.10.0-327.41.3.el7.s390x.rpm perf-3.10.0-327.41.3.el7.s390x.rpm perf-debuginfo-3.10.0-327.41.3.el7.s390x.rpm python-perf-3.10.0-327.41.3.el7.s390x.rpm python-perf-debuginfo-3.10.0-327.41.3.el7.s390x.rpm x86_64: kernel-3.10.0-327.41.3.el7.x86_64.rpm kernel-debug-3.10.0-327.41.3.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm kernel-debug-devel-3.10.0-327.41.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.41.3.el7.x86_64.rpm kernel-devel-3.10.0-327.41.3.el7.x86_64.rpm kernel-headers-3.10.0-327.41.3.el7.x86_64.rpm kernel-tools-3.10.0-327.41.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm kernel-tools-libs-3.10.0-327.41.3.el7.x86_64.rpm perf-3.10.0-327.41.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm python-perf-3.10.0-327.41.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.2): ppc64: kernel-debug-debuginfo-3.10.0-327.41.3.el7.ppc64.rpm kernel-debuginfo-3.10.0-327.41.3.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-327.41.3.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-327.41.3.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-327.41.3.el7.ppc64.rpm perf-debuginfo-3.10.0-327.41.3.el7.ppc64.rpm python-perf-debuginfo-3.10.0-327.41.3.el7.ppc64.rpm ppc64le: kernel-debug-debuginfo-3.10.0-327.41.3.el7.ppc64le.rpm kernel-debug-devel-3.10.0-327.41.3.el7.ppc64le.rpm kernel-debuginfo-3.10.0-327.41.3.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-327.41.3.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-327.41.3.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-327.41.3.el7.ppc64le.rpm perf-debuginfo-3.10.0-327.41.3.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-327.41.3.el7.ppc64le.rpm x86_64: kernel-debug-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.41.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-327.41.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.41.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.41.3.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-2016-3841 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/articles/2754251 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2016 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFYI298XlSAg2UNWIIRAhQPAJ44nXx5GVkiYRixfmn4bCy5OyJ9sQCgqcKZ rgW6jV6mhvxL/agFDVAgU9M= =d5/G -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce