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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2015.2417 Important: kernel security and bug fix update 16 September 2015 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Access Privileged Data -- Existing Account Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2015-5366 CVE-2015-5364 CVE-2015-4700 CVE-2015-3212 CVE-2015-1333 CVE-2015-0275 CVE-2014-9585 Reference: ESB-2015.2367 ESB-2015.2329 ESB-2015.2110 ESB-2015.2043 ESB-2015.1942 ESB-2015.1497 ESB-2015.0429 Original Bulletin: https://rhn.redhat.com/errata/RHSA-2015-1778.html - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2015:1778-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-1778.html Issue date: 2015-09-15 CVE Names: CVE-2014-9585 CVE-2015-0275 CVE-2015-1333 CVE-2015-3212 CVE-2015-4700 CVE-2015-5364 CVE-2015-5366 ===================================================================== 1. Summary: Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Important 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 kernel's implementation of the Berkeley Packet Filter (BPF). A local attacker could craft BPF code to crash the system by creating a situation in which the JIT compiler would fail to correctly optimize the JIT image on the last pass. This would lead to the CPU executing instructions that were not part of the JIT code. (CVE-2015-4700, Important) * Two flaws were found in the way the Linux kernel's networking implementation handled UDP packets with incorrect checksum values. A remote attacker could potentially use these flaws to trigger an infinite loop in the kernel, resulting in a denial of service on the system, or cause a denial of service in applications using the edge triggered epoll functionality. (CVE-2015-5364, CVE-2015-5366, Important) * A flaw was found in the way the Linux kernel's ext4 file system handled the "page size > block size" condition when the fallocate zero range functionality was used. A local attacker could use this flaw to crash the system. (CVE-2015-0275, Moderate) * It was found that the Linux kernel's keyring implementation would leak memory when adding a key to a keyring via the add_key() function. A local attacker could use this flaw to exhaust all available memory on the system. (CVE-2015-1333, Moderate) * A race condition flaw was found in the way the Linux kernel's SCTP implementation handled Address Configuration lists when performing Address Configuration Change (ASCONF). A local attacker could use this flaw to crash the system via a race condition triggered by setting certain ASCONF options on a socket. (CVE-2015-3212, Moderate) * An information leak flaw was found in the way the Linux kernel's Virtual Dynamic Shared Object (vDSO) implementation performed address randomization. A local, unprivileged user could use this flaw to leak kernel memory addresses to user-space. (CVE-2014-9585, Low) Red Hat would like to thank Daniel Borkmann for reporting CVE-2015-4700, and Canonical for reporting the CVE-2015-1333 issue. The CVE-2015-0275 issue was discovered by Xiong Zhou of Red Hat, and the CVE-2015-3212 issue was discovered by Ji Jianwen of Red Hat Engineering. This update also fixes several bugs. Refer to the following Knowledgebase article for further information: https://access.redhat.com/articles/1614563 All kernel users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. 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/): 1181054 - CVE-2014-9585 kernel: ASLR bruteforce possible for vdso library 1193907 - CVE-2015-0275 kernel: fs: ext4: fallocate zero range page size > block size BUG() 1226442 - CVE-2015-3212 kernel: SCTP race condition allows list corruption and panic from userlevel 1233615 - CVE-2015-4700 kernel: Crafted BPF filters may crash kernel during JIT optimisation 1239029 - CVE-2015-5366 CVE-2015-5364 kernel: net: incorrect processing of checksums in UDP implementation 1245658 - CVE-2015-1333 kernel: denial of service due to memory leak in add_key() 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: kernel-3.10.0-229.14.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-229.14.1.el7.noarch.rpm kernel-doc-3.10.0-229.14.1.el7.noarch.rpm x86_64: kernel-3.10.0-229.14.1.el7.x86_64.rpm kernel-debug-3.10.0-229.14.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm kernel-devel-3.10.0-229.14.1.el7.x86_64.rpm kernel-headers-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-229.14.1.el7.x86_64.rpm perf-3.10.0-229.14.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-229.14.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm python-perf-3.10.0-229.14.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: kernel-3.10.0-229.14.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-229.14.1.el7.noarch.rpm kernel-doc-3.10.0-229.14.1.el7.noarch.rpm x86_64: kernel-3.10.0-229.14.1.el7.x86_64.rpm kernel-debug-3.10.0-229.14.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm kernel-devel-3.10.0-229.14.1.el7.x86_64.rpm kernel-headers-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-229.14.1.el7.x86_64.rpm perf-3.10.0-229.14.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-229.14.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm python-perf-3.10.0-229.14.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: kernel-3.10.0-229.14.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-229.14.1.el7.noarch.rpm kernel-doc-3.10.0-229.14.1.el7.noarch.rpm ppc64: kernel-3.10.0-229.14.1.el7.ppc64.rpm kernel-bootwrapper-3.10.0-229.14.1.el7.ppc64.rpm kernel-debug-3.10.0-229.14.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm kernel-debug-devel-3.10.0-229.14.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-229.14.1.el7.ppc64.rpm kernel-devel-3.10.0-229.14.1.el7.ppc64.rpm kernel-headers-3.10.0-229.14.1.el7.ppc64.rpm kernel-tools-3.10.0-229.14.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm kernel-tools-libs-3.10.0-229.14.1.el7.ppc64.rpm perf-3.10.0-229.14.1.el7.ppc64.rpm perf-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm s390x: kernel-3.10.0-229.14.1.el7.s390x.rpm kernel-debug-3.10.0-229.14.1.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-229.14.1.el7.s390x.rpm kernel-debug-devel-3.10.0-229.14.1.el7.s390x.rpm kernel-debuginfo-3.10.0-229.14.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-229.14.1.el7.s390x.rpm kernel-devel-3.10.0-229.14.1.el7.s390x.rpm kernel-headers-3.10.0-229.14.1.el7.s390x.rpm kernel-kdump-3.10.0-229.14.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-229.14.1.el7.s390x.rpm kernel-kdump-devel-3.10.0-229.14.1.el7.s390x.rpm perf-3.10.0-229.14.1.el7.s390x.rpm perf-debuginfo-3.10.0-229.14.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-229.14.1.el7.s390x.rpm x86_64: kernel-3.10.0-229.14.1.el7.x86_64.rpm kernel-debug-3.10.0-229.14.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm kernel-devel-3.10.0-229.14.1.el7.x86_64.rpm kernel-headers-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-229.14.1.el7.x86_64.rpm perf-3.10.0-229.14.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: kernel-3.10.0-229.14.1.ael7b.src.rpm noarch: kernel-abi-whitelists-3.10.0-229.14.1.ael7b.noarch.rpm kernel-doc-3.10.0-229.14.1.ael7b.noarch.rpm ppc64le: kernel-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-bootwrapper-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-debug-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-debug-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-devel-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-headers-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-tools-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-tools-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-tools-libs-3.10.0-229.14.1.ael7b.ppc64le.rpm perf-3.10.0-229.14.1.ael7b.ppc64le.rpm perf-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm python-perf-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: kernel-debug-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-229.14.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-229.14.1.el7.ppc64.rpm perf-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm python-perf-3.10.0-229.14.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm s390x: kernel-debug-debuginfo-3.10.0-229.14.1.el7.s390x.rpm kernel-debuginfo-3.10.0-229.14.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-229.14.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-229.14.1.el7.s390x.rpm perf-debuginfo-3.10.0-229.14.1.el7.s390x.rpm python-perf-3.10.0-229.14.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-229.14.1.el7.s390x.rpm x86_64: kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-229.14.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm python-perf-3.10.0-229.14.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64le: kernel-debug-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-debug-devel-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-tools-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm kernel-tools-libs-devel-3.10.0-229.14.1.ael7b.ppc64le.rpm perf-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm python-perf-3.10.0-229.14.1.ael7b.ppc64le.rpm python-perf-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: kernel-3.10.0-229.14.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-229.14.1.el7.noarch.rpm kernel-doc-3.10.0-229.14.1.el7.noarch.rpm x86_64: kernel-3.10.0-229.14.1.el7.x86_64.rpm kernel-debug-3.10.0-229.14.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm kernel-devel-3.10.0-229.14.1.el7.x86_64.rpm kernel-headers-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-229.14.1.el7.x86_64.rpm perf-3.10.0-229.14.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-229.14.1.el7.x86_64.rpm perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm python-perf-3.10.0-229.14.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-229.14.1.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-2014-9585 https://access.redhat.com/security/cve/CVE-2015-0275 https://access.redhat.com/security/cve/CVE-2015-1333 https://access.redhat.com/security/cve/CVE-2015-3212 https://access.redhat.com/security/cve/CVE-2015-4700 https://access.redhat.com/security/cve/CVE-2015-5364 https://access.redhat.com/security/cve/CVE-2015-5366 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/articles/1614563 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2015 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFV+GBWXlSAg2UNWIIRAkQQAJ9Tn121mLPtVutXckDN9HNEWTqhLACgjesi o9JJ1HRjn/H7bTuQw8bxhr4= =gOwz - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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