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Red Hat Enterprise Linux 7 RHSA-2016:2098-01 Critical Privilege Escalation

An update for kernel is now available for Red Hat Enterprise Linux 7. 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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2016:2098-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2016:2098.html Issue date: 2016-10-24 CVE Names: CVE-2016-5195 ==================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7. 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 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, 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. Security Fix(es): * A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write (COW) breakage of private read-only memory mappings. An unprivileged, local user could use this flaw to gain write accessto otherwise read-only memory mappings and thus increase their privileges on the system. (CVE-2016-5195, Important) Red Hat would like to thank Phil Oester for reporting this issue. 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/): 1384344 - CVE-2016-5195 kernel: mm: privilege escalation via MAP_PRIVATE COW breakage 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: kernel-3.10.0-327.36.3.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-327.36.3.el7.noarch.rpm kernel-doc-3.10.0-327.36.3.el7.noarch.rpm x86_64: kernel-3.10.0-327.36.3.el7.x86_64.rpm kernel-debug-3.10.0-327.36.3.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debug-devel-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.36.3.el7.x86_64.rpm kernel-devel-3.10.0-327.36.3.el7.x86_64.rpm kernel-headers-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-libs-3.10.0-327.36.3.el7.x86_64.rpm perf-3.10.0-327.36.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm python-perf-3.10.0-327.36.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: kernel-debug-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-327.36.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v.7): Source: kernel-3.10.0-327.36.3.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-327.36.3.el7.noarch.rpm kernel-doc-3.10.0-327.36.3.el7.noarch.rpm x86_64: kernel-3.10.0-327.36.3.el7.x86_64.rpm kernel-debug-3.10.0-327.36.3.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debug-devel-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.36.3.el7.x86_64.rpm kernel-devel-3.10.0-327.36.3.el7.x86_64.rpm kernel-headers-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-libs-3.10.0-327.36.3.el7.x86_64.rpm perf-3.10.0-327.36.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm python-perf-3.10.0-327.36.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: kernel-debug-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-327.36.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm Red Hat Enterprise Linux Server (v.7): Source: kernel-3.10.0-327.36.3.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-327.36.3.el7.noarch.rpm kernel-doc-3.10.0-327.36.3.el7.noarch.rpm ppc64: kernel-3.10.0-327.36.3.el7.ppc64.rpm kernel-bootwrapper-3.10.0-327.36.3.el7.ppc64.rpm kernel-debug-3.10.0-327.36.3.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-327.36.3.el7.ppc64.rpm kernel-debug-devel-3.10.0-327.36.3.el7.ppc64.rpm kernel-debuginfo-3.10.0-327.36.3.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-327.36.3.el7.ppc64.rpm kernel-devel-3.10.0-327.36.3.el7.ppc64.rpm kernel-headers-3.10.0-327.36.3.el7.ppc64.rpm kernel-tools-3.10.0-327.36.3.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-327.36.3.el7.ppc64.rpm kernel-tools-libs-3.10.0-327.36.3.el7.ppc64.rpm perf-3.10.0-327.36.3.el7.ppc64.rpm perf-debuginfo-3.10.0-327.36.3.el7.ppc64.rpm python-perf-3.10.0-327.36.3.el7.ppc64.rpm python-perf-debuginfo-3.10.0-327.36.3.el7.ppc64.rpm ppc64le: kernel-3.10.0-327.36.3.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-327.36.3.el7.ppc64le.rpm kernel-debug-3.10.0-327.36.3.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-327.36.3.el7.ppc64le.rpm kernel-debuginfo-3.10.0-327.36.3.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-327.36.3.el7.ppc64le.rpm kernel-devel-3.10.0-327.36.3.el7.ppc64le.rpm kernel-headers-3.10.0-327.36.3.el7.ppc64le.rpm kernel-tools-3.10.0-327.36.3.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-327.36.3.el7.ppc64le.rpm kernel-tools-libs-3.10.0-327.36.3.el7.ppc64le.rpm perf-3.10.0-327.36.3.el7.ppc64le.rpm perf-debuginfo-3.10.0-327.36.3.el7.ppc64le.rpm python-perf-3.10.0-327.36.3.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-327.36.3.el7.ppc64le.rpm s390x: kernel-3.10.0-327.36.3.el7.s390x.rpm kernel-debug-3.10.0-327.36.3.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-327.36.3.el7.s390x.rpm kernel-debug-devel-3.10.0-327.36.3.el7.s390x.rpm kernel-debuginfo-3.10.0-327.36.3.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-327.36.3.el7.s390x.rpm kernel-devel-3.10.0-327.36.3.el7.s390x.rpm kernel-headers-3.10.0-327.36.3.el7.s390x.rpm kernel-kdump-3.10.0-327.36.3.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-327.36.3.el7.s390x.rpm kernel-kdump-devel-3.10.0-327.36.3.el7.s390x.rpm perf-3.10.0-327.36.3.el7.s390x.rpm perf-debuginfo-3.10.0-327.36.3.el7.s390x.rpm python-perf-3.10.0-327.36.3.el7.s390x.rpm python-perf-debuginfo-3.10.0-327.36.3.el7.s390x.rpm x86_64: kernel-3.10.0-327.36.3.el7.x86_64.rpm kernel-debug-3.10.0-327.36.3.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debug-devel-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.36.3.el7.x86_64.rpm kernel-devel-3.10.0-327.36.3.el7.x86_64.rpm kernel-headers-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-libs-3.10.0-327.36.3.el7.x86_64.rpm perf-3.10.0-327.36.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm python-perf-3.10.0-327.36.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v.7): ppc64: kernel-debug-debuginfo-3.10.0-327.36.3.el7.ppc64.rpm kernel-debuginfo-3.10.0-327.36.3.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-327.36.3.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-327.36.3.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-327.36.3.el7.ppc64.rpm perf-debuginfo-3.10.0-327.36.3.el7.ppc64.rpm python-perf-debuginfo-3.10.0-327.36.3.el7.ppc64.rpm ppc64le: kernel-debug-debuginfo-3.10.0-327.36.3.el7.ppc64le.rpm kernel-debug-devel-3.10.0-327.36.3.el7.ppc64le.rpm kernel-debuginfo-3.10.0-327.36.3.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-327.36.3.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-327.36.3.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-327.36.3.el7.ppc64le.rpm perf-debuginfo-3.10.0-327.36.3.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-327.36.3.el7.ppc64le.rpm x86_64: kernel-debug-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-327.36.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm Red Hat Enterprise Linux Workstation (v.7): Source: kernel-3.10.0-327.36.3.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-327.36.3.el7.noarch.rpm kernel-doc-3.10.0-327.36.3.el7.noarch.rpm x86_64: kernel-3.10.0-327.36.3.el7.x86_64.rpm kernel-debug-3.10.0-327.36.3.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debug-devel-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.36.3.el7.x86_64.rpm kernel-devel-3.10.0-327.36.3.el7.x86_64.rpm kernel-headers-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-libs-3.10.0-327.36.3.el7.x86_64.rpm perf-3.10.0-327.36.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm python-perf-3.10.0-327.36.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: kernel-debug-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-327.36.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.36.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.36.3.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-2016-5195 https://access.redhat.com/security/updates/classification#important https://access.redhat.com/security/vulnerabilities/DirtyCow 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 iD8DBQFYDg9CXlSAg2UNWIIRAjCIAKCfqFMrcCxhrfT5Rb8jZoRBqdTUagCgkFXS If4V2m2AWYozb9GesaZsr5Y=1J1k -----END PGP SIGNATURE----- -- Enterprise-watch-list mailinglist This email address is being protected from spambots. You need JavaScript enabled to view it. . The Debian security notification has issued significant updates addressing vulnerabilities in packages. Urgent measures recommended.. Kernel Security, Red Hat Updates, Privilege Escalation, Security Advisory. . Severity: Important. LinuxSecurity.com Team

Oct 24, 2016 •Important Red Hat