-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: kernel security, bug fix, and enhancement update Advisory ID: RHSA-2015:1978-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-1978.html Issue date: 2015-11-03 CVE Names: CVE-2014-8559 CVE-2015-5156 ===================================================================== 1. Summary: Updated kernel packages that fix two security issues, several bugs, and add one enhancement are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. * A flaw was found in the way the Linux kernel's VFS subsystem handled file system locks. A local, unprivileged user could use this flaw to trigger a deadlock in the kernel, causing a denial of service on the system. (CVE-2014-8559, Moderate) * A buffer overflow flaw was found in the way the Linux kernel's virtio-net subsystem handled certain fraglists when the GRO (Generic Receive Offload) functionality was enabled in a bridged network configuration. An attacker on the local network could potentially use this flaw to crash the system, or, although unlikely, elevate their privileges on the system. (CVE-2015-5156, Moderate) The CVE-2015-5156 issue was discovered by Jason Wang of Red Hat. This update also fixes several bugs and adds one enhancement. Refer to the following Knowledgebase article for further information: https://access.redhat.com/articles/2039563 All kernel users are advised to upgrade to these updated packages, which contain backported patches to correct these issues and add this enhancement. The system must be rebooted for this update to take effect. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1159313 - CVE-2014-8559 kernel: fs: deadlock due to incorrect usage of rename_lock 1243852 - CVE-2015-5156 kernel: buffer overflow with fraglist larger than MAX_SKB_FRAGS + 2 in virtio-net 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: kernel-3.10.0-229.20.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-229.20.1.el7.noarch.rpm kernel-doc-3.10.0-229.20.1.el7.noarch.rpm x86_64: kernel-3.10.0-229.20.1.el7.x86_64.rpm kernel-debug-3.10.0-229.20.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.20.1.el7.x86_64.rpm kernel-devel-3.10.0-229.20.1.el7.x86_64.rpm kernel-headers-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-229.20.1.el7.x86_64.rpm perf-3.10.0-229.20.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: kernel-debug-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-229.20.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm python-perf-3.10.0-229.20.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: kernel-3.10.0-229.20.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-229.20.1.el7.noarch.rpm kernel-doc-3.10.0-229.20.1.el7.noarch.rpm x86_64: kernel-3.10.0-229.20.1.el7.x86_64.rpm kernel-debug-3.10.0-229.20.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.20.1.el7.x86_64.rpm kernel-devel-3.10.0-229.20.1.el7.x86_64.rpm kernel-headers-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-229.20.1.el7.x86_64.rpm perf-3.10.0-229.20.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: kernel-debug-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-229.20.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm python-perf-3.10.0-229.20.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: kernel-3.10.0-229.20.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-229.20.1.el7.noarch.rpm kernel-doc-3.10.0-229.20.1.el7.noarch.rpm ppc64: kernel-3.10.0-229.20.1.el7.ppc64.rpm kernel-bootwrapper-3.10.0-229.20.1.el7.ppc64.rpm kernel-debug-3.10.0-229.20.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-229.20.1.el7.ppc64.rpm kernel-debug-devel-3.10.0-229.20.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-229.20.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-229.20.1.el7.ppc64.rpm kernel-devel-3.10.0-229.20.1.el7.ppc64.rpm kernel-headers-3.10.0-229.20.1.el7.ppc64.rpm kernel-tools-3.10.0-229.20.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-229.20.1.el7.ppc64.rpm kernel-tools-libs-3.10.0-229.20.1.el7.ppc64.rpm perf-3.10.0-229.20.1.el7.ppc64.rpm perf-debuginfo-3.10.0-229.20.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-229.20.1.el7.ppc64.rpm s390x: kernel-3.10.0-229.20.1.el7.s390x.rpm kernel-debug-3.10.0-229.20.1.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-229.20.1.el7.s390x.rpm kernel-debug-devel-3.10.0-229.20.1.el7.s390x.rpm kernel-debuginfo-3.10.0-229.20.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-229.20.1.el7.s390x.rpm kernel-devel-3.10.0-229.20.1.el7.s390x.rpm kernel-headers-3.10.0-229.20.1.el7.s390x.rpm kernel-kdump-3.10.0-229.20.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-229.20.1.el7.s390x.rpm kernel-kdump-devel-3.10.0-229.20.1.el7.s390x.rpm perf-3.10.0-229.20.1.el7.s390x.rpm perf-debuginfo-3.10.0-229.20.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-229.20.1.el7.s390x.rpm x86_64: kernel-3.10.0-229.20.1.el7.x86_64.rpm kernel-debug-3.10.0-229.20.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.20.1.el7.x86_64.rpm kernel-devel-3.10.0-229.20.1.el7.x86_64.rpm kernel-headers-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-229.20.1.el7.x86_64.rpm perf-3.10.0-229.20.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: kernel-3.10.0-229.20.1.ael7b.src.rpm noarch: kernel-abi-whitelists-3.10.0-229.20.1.ael7b.noarch.rpm kernel-doc-3.10.0-229.20.1.ael7b.noarch.rpm ppc64le: kernel-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-bootwrapper-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-debug-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-debug-debuginfo-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-debuginfo-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-devel-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-headers-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-tools-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-tools-debuginfo-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-tools-libs-3.10.0-229.20.1.ael7b.ppc64le.rpm perf-3.10.0-229.20.1.ael7b.ppc64le.rpm perf-debuginfo-3.10.0-229.20.1.ael7b.ppc64le.rpm python-perf-debuginfo-3.10.0-229.20.1.ael7b.ppc64le.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: kernel-debug-debuginfo-3.10.0-229.20.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-229.20.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-229.20.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-229.20.1.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-229.20.1.el7.ppc64.rpm perf-debuginfo-3.10.0-229.20.1.el7.ppc64.rpm python-perf-3.10.0-229.20.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-229.20.1.el7.ppc64.rpm s390x: kernel-debug-debuginfo-3.10.0-229.20.1.el7.s390x.rpm kernel-debuginfo-3.10.0-229.20.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-229.20.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-229.20.1.el7.s390x.rpm perf-debuginfo-3.10.0-229.20.1.el7.s390x.rpm python-perf-3.10.0-229.20.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-229.20.1.el7.s390x.rpm x86_64: kernel-debug-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-229.20.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm python-perf-3.10.0-229.20.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64le: kernel-debug-debuginfo-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-debug-devel-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-debuginfo-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-tools-debuginfo-3.10.0-229.20.1.ael7b.ppc64le.rpm kernel-tools-libs-devel-3.10.0-229.20.1.ael7b.ppc64le.rpm perf-debuginfo-3.10.0-229.20.1.ael7b.ppc64le.rpm python-perf-3.10.0-229.20.1.ael7b.ppc64le.rpm python-perf-debuginfo-3.10.0-229.20.1.ael7b.ppc64le.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: kernel-3.10.0-229.20.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-229.20.1.el7.noarch.rpm kernel-doc-3.10.0-229.20.1.el7.noarch.rpm x86_64: kernel-3.10.0-229.20.1.el7.x86_64.rpm kernel-debug-3.10.0-229.20.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.20.1.el7.x86_64.rpm kernel-devel-3.10.0-229.20.1.el7.x86_64.rpm kernel-headers-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-229.20.1.el7.x86_64.rpm perf-3.10.0-229.20.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: kernel-debug-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-229.20.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.20.1.el7.x86_64.rpm python-perf-3.10.0-229.20.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.20.1.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-2014-8559 https://access.redhat.com/security/cve/CVE-2015-5156 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/articles/2039563 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2015 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFWORuqXlSAg2UNWIIRAqyRAJwINqVnJOxzmTtXPKqLn7UjepB/ywCeO9og QC0qwafEMux2FFUwxwgB4uY= =eFZV -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce