-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2019:3978-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:3978 Issue date: 2019-11-26 CVE Names: CVE-2019-14821 CVE-2019-15239 ==================================================================== 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: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821) * kernel: local attacker can trigger multiple use-after-free conditions results in privilege escalation (CVE-2019-15239) 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#3 source tree (BZ#1762889) 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/): 1746708 - CVE-2019-14821 Kernel: KVM: OOB memory access via mmio ring buffer 1747353 - CVE-2019-15239 kernel: local attacker can trigger multiple use-after-free conditions results in privilege escalation 1762889 - kernel-rt: update to the RHEL7.7.z batch#3 source tree 6. Package List: Red Hat Enterprise Linux for Real Time for NFV (v. 7): Source: kernel-rt-3.10.0-1062.7.1.rt56.1030.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1062.7.1.rt56.1030.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-debug-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-debug-kvm-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-debug-kvm-debuginfo-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-devel-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-kvm-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-kvm-debuginfo-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-trace-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-trace-kvm-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-trace-kvm-debuginfo-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm Red Hat Enterprise Linux Realtime (v. 7): Source: kernel-rt-3.10.0-1062.7.1.rt56.1030.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1062.7.1.rt56.1030.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-debug-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-devel-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-trace-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1062.7.1.rt56.1030.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1062.7.1.rt56.1030.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-2019-14821 https://access.redhat.com/security/cve/CVE-2019-15239 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 iQIVAwUBXd0wANzjgjWX9erEAQj4XRAAn/EudD3SfmokW169os8VmQtKHr1VHt5d l1EIT94H0Jf2fQPROTRE+go/3mvM0HsDnw2tzfa1XqP7zghqZs414iPXXMGJXrrz df1ObWfwJFsOuLxYYgmUsY1k3y4GNLdkR1acgc6bNvDdTGAIp2R/wswL6diyGKpi qmXsQhrafhgU07YaoF3AJNYUh6RzEdcLdqd/s86bZ3mbmQB2skEqjQm2szuo86of cV+yF5cecY0CakCcJBPuFio2gRh3BfiiwbK9CgSEiLd8baXZzYYJhnnouCehy5oy J7/cYrS8qHS8/CjpCfTZpMIup8dxg2yAjGeaS99E7pfw+nWmL+4KPkWuZaX1QW6c cQsbglm11LRc6IOhW9qTcKf9JpN4eTMKKe/TrcvNbry1N0MqA0Ra+z2INzdCfp/x wqVV42iyqX1QII73HYaTUwnon4+hUSJo8ryytGBcEFcnS81iQf6RdI/x0YhFB01U wGKqMF3jk9PnCMB7Pc6d6JUUUBcHiOgjC8pV9oxLr5byiwTR1heEp1zrmsxFpzb6 k42vi0ara5HnBCMFdYgIdqMBNTf+duwpLX/T4UdGTmNPxm5xcLE7uPdfyFL0RAVc CWQXxvgVzkgebg2R1K+gPYUyzYgS24LyFz0U019muZct9VLG3V11cLx/VQ3CfCT6 UMlsLs9IsDE¿e8 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce