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Red Hat MRG 2 RHSA-2018:2165-01 Moderate: Kernel-RT Issues

Updated kernel-rt packages that fix two security issues and add one enhancement are now available for Red Hat Enterprise MRG 2. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: kernel-rt security, and enhancement update Advisory ID: RHSA-2018:2165-01 Product: Red Hat Enterprise MRG for RHEL-6 Advisory URL: https://access.redhat.com/errata/RHSA-2018:2165 Issue date: 2018-07-10 CVE Names: CVE-2017-13305 CVE-2018-3665 ==================================================================== 1. Summary: Updated kernel-rt packages that fix two security issues and add one enhancement are now available for Red Hat Enterprise MRG 2. Red Hat Product Security has rated this update as having a security impact of Moderate. 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): * kernel: Buffer over-read in keyring subsystem allows exposing potentially sensitive information to local attacker (CVE-2017-13305) * Kernel: FPU state information leakage via lazy FPU restore (CVE-2018-3665) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. Red Hat would like to thank Julian Stecklina (Amazon.de), Thomas Prescher (cyberus-technology.de), and Zdenek Sojka (sysgo.com) forreporting CVE-2018-3665. Enhancement(s): * The kernel-rt packages have been upgraded to version 3.10.0-693.35.1.rt56.623, which provides a number of bug fixes over the previous version. (BZ#1579972) Users of kernel-rt are advised to upgrade to these updated packages, which 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/): 1579972 - Update the kernel-rt sources with the latest 3.10 sources. 1581637 - CVE-2017-13305 kernel: Buffer over-read in keyring subsystem allows exposing potentially sensitive information to local attacker 1585011 - CVE-2018-3665 Kernel: FPU state information leakage via lazy FPU restore 6. Package List: Red Hat MRG Realtime for RHEL 6 Server v.2: Source: kernel-rt-3.10.0-693.35.1.rt56.625.el6rt.src.rpm noarch: kernel-rt-doc-3.10.0-693.35.1.rt56.625.el6rt.noarch.rpm kernel-rt-firmware-3.10.0-693.35.1.rt56.625.el6rt.noarch.rpm x86_64: kernel-rt-3.10.0-693.35.1.rt56.625.el6rt.x86_64.rpm kernel-rt-debug-3.10.0-693.35.1.rt56.625.el6rt.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-693.35.1.rt56.625.el6rt.x86_64.rpm kernel-rt-debug-devel-3.10.0-693.35.1.rt56.625.el6rt.x86_64.rpm kernel-rt-debuginfo-3.10.0-693.35.1.rt56.625.el6rt.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-693.35.1.rt56.625.el6rt.x86_64.rpm kernel-rt-devel-3.10.0-693.35.1.rt56.625.el6rt.x86_64.rpm kernel-rt-trace-3.10.0-693.35.1.rt56.625.el6rt.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-693.35.1.rt56.625.el6rt.x86_64.rpm kernel-rt-trace-devel-3.10.0-693.35.1.rt56.625.el6rt.x86_64.rpm kernel-rt-vanilla-3.10.0-693.35.1.rt56.625.el6rt.x86_64.rpm kernel-rt-vanilla-debuginfo-3.10.0-693.35.1.rt56.625.el6rt.x86_64.rpm kernel-rt-vanilla-devel-3.10.0-693.35.1.rt56.625.el6rt.x86_64.rpm These packages are GPG signed by Red Hat forsecurity. 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-2017-13305 https://access.redhat.com/security/cve/CVE-2018-3665 https://access.redhat.com/security/updates/classification#moderate 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact Copyright 2018 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBW0TqE9zjgjWX9erEAQgCcQ/+KZE3vwR2SxWBBAwuaxyydGRXAR5frynw 4ADYBgdV1mDFStGFp3Eby/Uble+NTha1GWwpk7lvWeouwalVxVhXadwQHPCxQueo WpwgCWiMXfdV0SmhpUaX8PXC6cObebdKtLF5QR2M97oCHxz/G9SSrCYv1Exqz9CX npGBmFQPwGTxrAfLxOd5UQ9K8qyRBVKxbFa07jKAXhYRM2lRzx9QV9PV9ffR+76X e5Jqmlm8RazlzpWcHckeFY/BWfIZHhRBk5b4dqoEmSkgG+PdW8btvwZYgoRd0PNk 0he+LTXjBcEfAU3bzrbRWfjewEJ9h6kaMBc1Yc60e/LvZZc13kgUZRQb7aTyDfWg o+HXuqHK2T1Dl5dvjOZJtbKiKYXy8eIYvYQysAoVZ3kJ6IgsiaM00Fb4Y62SAeX1 oMVHekIXBL7KbQsWFj2OLjJEpoD+UcBMnzribsWIIstL5kDtqumBcZUFEXV7svQu 3hWspmaFVag+ogf05uf8aAJhv6xqslyNZnvabwoUS4y6LDTtAHe2vtqpb87tf9YS nl/Qk4+48e2MLk+v7y6WqJoo9dYfGGQ14vuavhVTERq5f9nBMUjognvbhztoe5dp PFg76T0KuMj/+nSrkMexDqeKFOlA7D4hSNEcIk4wpNBLots8tVfmUg0fo39gewLA nhJ7o32zOcM=qUb0 -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . Revised kernel-rt updates for Red Hat Enterprise MRG 2 address two significant security vulnerabilities and improve overall efficiency.. kernel-rt Security Advisory, Red Hat Update, Security Fixes, Real Time Kernel, CVE Issues. . Severity: Important. LinuxSecurity.com Team

Jul 10, 2018 •Important Red Hat