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Red Hat Enterprise MRG 2 RHSA-2019-3844-01 Critical: Kernel-Rt DoS Fix

An update for kernel-rt is now available for Red Hat Enterprise MRG 2. 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: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security update Advisory ID: RHSA-2019:3844-01 Product: Red Hat Enterprise MRG for RHEL-6 Advisory URL: https://access.redhat.com/errata/RHSA-2019:3844 Issue date: 2019-11-12 CVE Names: CVE-2018-12207 CVE-2019-0154 CVE-2019-11135 ==================================================================== 1. Summary: An update for kernel-rt is now available for Red Hat Enterprise MRG 2. 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 MRG Realtime for RHEL 6 Server v.2 - noarch, x86_64 3. Description: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207) * hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135) * hw: Intel GPU Denial Of Service while accessing MMIO in lower power state (CVE-2019-0154) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 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/): 1646768 - CVE-2018-12207 hw: Machine Check Error on Page Size Change (IPU) 1724393 - CVE-2019-0154 hw: Intel GPU Denial Of Service while accessing MMIO in lower power state 1753062 - CVE-2019-11135 hw: TSX Transaction Asynchronous Abort (TAA) 6. Package List: Red Hat MRG Realtime for RHEL 6 Server v.2: Source: kernel-rt-3.10.0-693.60.2.rt56.655.el6rt.src.rpm noarch: kernel-rt-doc-3.10.0-693.60.2.rt56.655.el6rt.noarch.rpm kernel-rt-firmware-3.10.0-693.60.2.rt56.655.el6rt.noarch.rpm x86_64: kernel-rt-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm kernel-rt-debug-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm kernel-rt-debug-devel-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm kernel-rt-debuginfo-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm kernel-rt-devel-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm kernel-rt-trace-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm kernel-rt-trace-devel-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm kernel-rt-vanilla-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm kernel-rt-vanilla-debuginfo-3.10.0-693.60.2.rt56.655.el6rt.x86_64.rpm kernel-rt-vanilla-devel-3.10.0-693.60.2.rt56.655.el6rt.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-2018-12207 https://access.redhat.com/security/cve/CVE-2019-0154 https://access.redhat.com/security/cve/CVE-2019-11135 https://access.redhat.com/security/updates/classification#important https://access.redhat.com/security/vulnerabilities/ifu-page-mce https://access.redhat.com/articles/tsx-asynchronousabort https://access.redhat.com/solutions/i915-graphics 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact Copyright 2019 Red Hat, Inc. -----BEGIN PGP SIGNATURE-----Version: GnuPG v1 iQIVAwUBXcsfNdzjgjWX9erEAQhvtBAAi8skkd+2dRkE92nx/PAePxh1YMQYGIb5 cekzX5HaqBDvjkqtPtCd2QR6n56Fu08k0PwnfUThW+PnWL1UQpwAYz8jUTGQ/N+S FWhSHZKIRYf3Z4KvYVFE400h65AosnZASjldH3UlQW4jAl2aM+S7Z5Gb5jQjuyhw Ba85eRT2UuW/YP1cR3fCBt69El9XnKlSmJF/veIVMPUJ2ZjaB2wgt/nQ8Y34sMCm Rf1OSXcH24Nd+rQfgEqlPTyT72OQ2mgByRKQjw/0Li7pgliMWBuUncJaj6UpywkR wRvLxhZ4Jj52fX5PJZvIZ1Px0Wrc7HiynudJdusPfo9PeqBTTKsaQqp32bN+GjxS +GNTsBQb27WMrqKy9PWY8RVZCQvxyPLUjIx7tAhaYEIUSa9h0Gk4Kr4QVnWpZRSG z3CcHlWeaPGPZzAa1TIgOQE36b+o2O2wShqkvn+1R0AFN4t+MTb7x3FaT2tVNg9k 70StHy5KN/Ubd4OTijC2hOh1cOyoz9iglLY/ZRY9W/N3SzFrbkT1xPbbWCAvTCzH O78scAoPr1TPfyf8k+GfK5As87IqkHpyXQLOih9ZwG3nPywGQCiNu92KANKNfEp+ SGxIFhZvEg3Hq/UXzHKvr/ZLiFLyQI1KP536+9nVVBhr9y7DPXJqW/gmL7NWklOG AiIZDh1FNzk=t0pY -----END PGP SIGNATURE-------RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . An important kernel-rt patch for Red Hat Enterprise MRG 2 has been issued, addressing multiple security flaws and CVEs.. kernel-rt upgrade, Red Hat Enterprise MRG, security updates. . Severity: Important. LinuxSecurity.com Team

Nov 12, 2019 •Important Red Hat