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RedHat: RHSA-2019-3089-01 Important: Kernel-RT Security Fix

An update for kernel-rt 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: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2019:3089-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:3089 Issue date: 2019-10-16 CVE Names: CVE-2018-20856 CVE-2019-3846 CVE-2019-9506 CVE-2019-10126 ==================================================================== 1. Summary: An update for kernel-rt 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 Realtime (v. 7) - noarch, x86_64 Red Hat Enterprise Linux for Real Time for NFV (v. 7) - 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: Use-after-free in __blk_drain_queue() function in block/blk-core.c (CVE-2018-20856) * kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c (CVE-2019-3846) * hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) (CVE-2019-9506) * kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c (CVE-2019-10126) 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. Bug Fix(es): * kernel-rt: update to the RHEL7.7.z batch#2 source tree (BZ#1748570) 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/): 1713059 - CVE-2019-3846 kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c 1716992 - CVE-2019-10126 kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c 1727857 - CVE-2019-9506 hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) 1738705 - CVE-2018-20856 kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c 1748570 - kernel-rt: update to the RHEL7.7.z batch#2 source tree 6. Package List: Red Hat Enterprise Linux for Real Time for NFV (v.7): Source: kernel-rt-3.10.0-1062.4.1.rt56.1027.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1062.4.1.rt56.1027.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-debug-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-debug-kvm-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-debug-kvm-debuginfo-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-devel-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-kvm-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-kvm-debuginfo-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-trace-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-trace-kvm-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-trace-kvm-debuginfo-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm Red Hat Enterprise Linux Realtime (v. 7): Source: kernel-rt-3.10.0-1062.4.1.rt56.1027.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1062.4.1.rt56.1027.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-debug-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-devel-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-trace-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1062.4.1.rt56.1027.el7.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature areavailable from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2018-20856 https://access.redhat.com/security/cve/CVE-2019-3846 https://access.redhat.com/security/cve/CVE-2019-9506 https://access.redhat.com/security/cve/CVE-2019-10126 https://access.redhat.com/security/updates/classification/#important 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 iQIVAwUBXabNldzjgjWX9erEAQjy9A/9E8bMomtPb4CmI8OJqPL4+QHJ+f5XBrQ4 d0QuOQGlV+8scyXuyn1ImR7tpNdM/6oL6jps/kYsHpmXCpyTvjrnlRK50gXne8jj ys9Wi3zNNGT+B6OG6F9+Z9ITqTMe0CB3xGP3XGVMpxOHYl752tdySQZ4I4SCxUH4 53OMOkDMVx0aSlUn6Vi2hrvNEkdP5s1LYFtR1ecg6bTCO5iJcnGUUQpea9JlZ5IQ ZcHG7TGmBBHAcVatrMAxabWuiTqxKmRuouhj2UKew/tymIX7ifgILZZUKV0shM9j QPsnGT9jcXmeE6dsYJHdLx+F60fioCKxCJEl+j9oYOob1c/0og86YGFfebQ6o51E Xuum5Zi4AAPnAG1x0ObdOX5IM0BXDKeFCa4WMYs5tPgM2UY4iPH5K6xIZBmuhDrT lUkmHhYChViC0ZCiFicnifdznvmKugkT+3Yn+0nAhiPqf8o2ACinXVbUtdaj77qu i3rLXpcAmghwOyb2waxmd3Y/a6wxlZKxnTuoHv1pvcV4ta4Bj+41C1exhwB415vH SXwF1knzHO2uri3noEETvv0999HNNLi4ub2tg5AjkOAZuh43UMPNnZ743E+IGmDm ik/giocJ3hJ4DrtApt4SScabNThDauiKZVyzgMTOKIVyyJeZ8HBkfsED59TRAn4d 5Ftkuf6Wd0I=OmnK -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . Crucial safety enhancement for kernel-rt in Red Hat Enterprise Linux 7 tackling several high-level vulnerabilities.. kernel security, bug fix update, Red Hat Enterprise Linux, security importance. . Severity: Important. LinuxSecurity.com Team

Oct 16, 2019 •Important Red Hat