-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2017:0316-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2017-0316.html Issue date: 2017-02-23 CVE Names: CVE-2017-6074 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 6.7 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 HPC Node EUS (v. 6.7) - noarch, x86_64 Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7) - x86_64 Red Hat Enterprise Linux Server EUS (v. 6.7) - i386, noarch, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 6.7) - i386, ppc64, s390x, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * A use-after-free flaw was found in the way the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation freed SKB (socket buffer) resources for a DCCP_PKT_REQUEST packet when the IPV6_RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the kernel memory, allowing them to escalate their privileges on the system. (CVE-2017-6074, Important) Red Hat would like to thank Andrey Konovalov (Google) for reporting this issue. Bug Fix(es): * When an NFS server received a compound Remote Procedure Call (RPC) with multiple operations where the SECINFO operation was the ninth or later operation, the server terminated unexpectedly. This update fixes the NFS server to correctly initialize all arguments of all compound RPC operations that are beyond the first eight operations. As a result, the NFS server no longer crashes in the described situation. (BZ#1413035) 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/): 1423071 - CVE-2017-6074 kernel: use after free in dccp protocol 6. Package List: Red Hat Enterprise Linux HPC Node EUS (v. 6.7): Source: kernel-2.6.32-573.40.1.el6.src.rpm noarch: kernel-abi-whitelists-2.6.32-573.40.1.el6.noarch.rpm kernel-doc-2.6.32-573.40.1.el6.noarch.rpm kernel-firmware-2.6.32-573.40.1.el6.noarch.rpm x86_64: kernel-2.6.32-573.40.1.el6.x86_64.rpm kernel-debug-2.6.32-573.40.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-573.40.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-573.40.1.el6.i686.rpm kernel-debug-devel-2.6.32-573.40.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-573.40.1.el6.i686.rpm kernel-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-573.40.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-573.40.1.el6.x86_64.rpm kernel-devel-2.6.32-573.40.1.el6.x86_64.rpm kernel-headers-2.6.32-573.40.1.el6.x86_64.rpm perf-2.6.32-573.40.1.el6.x86_64.rpm perf-debuginfo-2.6.32-573.40.1.el6.i686.rpm perf-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-573.40.1.el6.i686.rpm python-perf-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7): x86_64: kernel-debug-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-573.40.1.el6.x86_64.rpm perf-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm python-perf-2.6.32-573.40.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 6.7): Source: kernel-2.6.32-573.40.1.el6.src.rpm i386: kernel-2.6.32-573.40.1.el6.i686.rpm kernel-debug-2.6.32-573.40.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-573.40.1.el6.i686.rpm kernel-debug-devel-2.6.32-573.40.1.el6.i686.rpm kernel-debuginfo-2.6.32-573.40.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-573.40.1.el6.i686.rpm kernel-devel-2.6.32-573.40.1.el6.i686.rpm kernel-headers-2.6.32-573.40.1.el6.i686.rpm perf-2.6.32-573.40.1.el6.i686.rpm perf-debuginfo-2.6.32-573.40.1.el6.i686.rpm python-perf-debuginfo-2.6.32-573.40.1.el6.i686.rpm noarch: kernel-abi-whitelists-2.6.32-573.40.1.el6.noarch.rpm kernel-doc-2.6.32-573.40.1.el6.noarch.rpm kernel-firmware-2.6.32-573.40.1.el6.noarch.rpm ppc64: kernel-2.6.32-573.40.1.el6.ppc64.rpm kernel-bootwrapper-2.6.32-573.40.1.el6.ppc64.rpm kernel-debug-2.6.32-573.40.1.el6.ppc64.rpm kernel-debug-debuginfo-2.6.32-573.40.1.el6.ppc64.rpm kernel-debug-devel-2.6.32-573.40.1.el6.ppc64.rpm kernel-debuginfo-2.6.32-573.40.1.el6.ppc64.rpm kernel-debuginfo-common-ppc64-2.6.32-573.40.1.el6.ppc64.rpm kernel-devel-2.6.32-573.40.1.el6.ppc64.rpm kernel-headers-2.6.32-573.40.1.el6.ppc64.rpm perf-2.6.32-573.40.1.el6.ppc64.rpm perf-debuginfo-2.6.32-573.40.1.el6.ppc64.rpm python-perf-debuginfo-2.6.32-573.40.1.el6.ppc64.rpm s390x: kernel-2.6.32-573.40.1.el6.s390x.rpm kernel-debug-2.6.32-573.40.1.el6.s390x.rpm kernel-debug-debuginfo-2.6.32-573.40.1.el6.s390x.rpm kernel-debug-devel-2.6.32-573.40.1.el6.s390x.rpm kernel-debuginfo-2.6.32-573.40.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-573.40.1.el6.s390x.rpm kernel-devel-2.6.32-573.40.1.el6.s390x.rpm kernel-headers-2.6.32-573.40.1.el6.s390x.rpm kernel-kdump-2.6.32-573.40.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-573.40.1.el6.s390x.rpm kernel-kdump-devel-2.6.32-573.40.1.el6.s390x.rpm perf-2.6.32-573.40.1.el6.s390x.rpm perf-debuginfo-2.6.32-573.40.1.el6.s390x.rpm python-perf-debuginfo-2.6.32-573.40.1.el6.s390x.rpm x86_64: kernel-2.6.32-573.40.1.el6.x86_64.rpm kernel-debug-2.6.32-573.40.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-573.40.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-573.40.1.el6.i686.rpm kernel-debug-devel-2.6.32-573.40.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-573.40.1.el6.i686.rpm kernel-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-573.40.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-573.40.1.el6.x86_64.rpm kernel-devel-2.6.32-573.40.1.el6.x86_64.rpm kernel-headers-2.6.32-573.40.1.el6.x86_64.rpm perf-2.6.32-573.40.1.el6.x86_64.rpm perf-debuginfo-2.6.32-573.40.1.el6.i686.rpm perf-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-573.40.1.el6.i686.rpm python-perf-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 6.7): i386: kernel-debug-debuginfo-2.6.32-573.40.1.el6.i686.rpm kernel-debuginfo-2.6.32-573.40.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-573.40.1.el6.i686.rpm perf-debuginfo-2.6.32-573.40.1.el6.i686.rpm python-perf-2.6.32-573.40.1.el6.i686.rpm python-perf-debuginfo-2.6.32-573.40.1.el6.i686.rpm ppc64: kernel-debug-debuginfo-2.6.32-573.40.1.el6.ppc64.rpm kernel-debuginfo-2.6.32-573.40.1.el6.ppc64.rpm kernel-debuginfo-common-ppc64-2.6.32-573.40.1.el6.ppc64.rpm perf-debuginfo-2.6.32-573.40.1.el6.ppc64.rpm python-perf-2.6.32-573.40.1.el6.ppc64.rpm python-perf-debuginfo-2.6.32-573.40.1.el6.ppc64.rpm s390x: kernel-debug-debuginfo-2.6.32-573.40.1.el6.s390x.rpm kernel-debuginfo-2.6.32-573.40.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-573.40.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-573.40.1.el6.s390x.rpm perf-debuginfo-2.6.32-573.40.1.el6.s390x.rpm python-perf-2.6.32-573.40.1.el6.s390x.rpm python-perf-debuginfo-2.6.32-573.40.1.el6.s390x.rpm x86_64: kernel-debug-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-573.40.1.el6.x86_64.rpm perf-debuginfo-2.6.32-573.40.1.el6.x86_64.rpm python-perf-2.6.32-573.40.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-573.40.1.el6.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-2017-6074 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 iD8DBQFYryAUXlSAg2UNWIIRAjmQAKCTmPf6PQcw3a6FA+fZb06P6DOwAACfQvds veY8z8VY5ewF646wsRGayAk= =URf4 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce