-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2020:2171-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2171 Issue date: 2020-05-14 CVE Names: CVE-2020-2732 CVE-2020-10711 ==================================================================== 1. Summary: An update for kernel-rt is now available for Red Hat Enterprise Linux 8. 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 Real Time (v. 8) - x86_64 Red Hat Enterprise Linux Real Time for NFV (v. 8) - 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: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711) * Kernel: kvm: nVMX: L2 guest may trick the L0 hypervisor to access sensitive L1 resources (CVE-2020-2732) 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 RT source tree to the latest RHEL-8.2.z source tree (BZ#1831781) 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/): 1805135 - CVE-2020-2732 Kernel: kvm: nVMX: L2 guest may trick the L0 hypervisor to access sensitive L1 resources 1825116 - CVE-2020-10711 Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic 6. Package List: Red Hat Enterprise Linux Real Time for NFV (v. 8): Source: kernel-rt-4.18.0-193.1.2.rt13.53.el8_2.src.rpm x86_64: kernel-rt-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-core-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debug-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debug-core-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debug-devel-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debug-kvm-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debug-modules-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debuginfo-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-devel-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-kvm-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-modules-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-modules-extra-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm Red Hat Enterprise Linux Real Time (v. 8): Source: kernel-rt-4.18.0-193.1.2.rt13.53.el8_2.src.rpm x86_64: kernel-rt-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-core-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debug-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debug-core-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debug-devel-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debug-modules-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debuginfo-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-devel-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-modules-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm kernel-rt-modules-extra-4.18.0-193.1.2.rt13.53.el8_2.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-2020-2732 https://access.redhat.com/security/cve/CVE-2020-10711 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 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXr2XE9zjgjWX9erEAQjxDg//SjJycjt5w9mhRNHmQ3I7SMW2EhLd9axr IQO2b34OLRmCSZVdp54y1vVILrVHL4W3jUJyntNSvr3P77OXUqLye5mSr5JGMrSK 4h4Plw47T7rjeBG4rNIvw3mTAG2HRFtihac3Eo6+mlpgtTUqlgGsU1f7xoE2yQqs TWT9Ft9Os2RULOP3159pTu97ny8XN+Ht2GTK71gFFBM9HFVbIot2ayBofyUweGRG Oczfrr8dJO50W5t8gQckFwFECJhBQchO1KgPQ8RdHidIQnjbj7HLI6ufAm0Ie/ty zmooaz17WfdMJic21v9iMXAWSg8innQqJ54vmuUnkUO8sVD9/wcaxH8vbbkN+m6g HeM+78jC7lMzB3QgyW64AR548dVLmCvyKv/5xo/ijVLYw3B1+gvFoBCttfqlwzfD HIw/kbcfHaERPdys9iTE/e+9t2jwNXe1yuVBC5VlblvR7gOO5NXA/8U2s57b3kyO kWuc8ZoJ6bpt1b34k2dwzvBv0o0weF+XYIFDH+N6OQZCOdFP6YBbSccZ+RNGtZb+ IxzPCe6la75y9lRM1yl7K/Ox0dtuFfLweDEu5EaJYZ/nXkqELLzzUv7AAukkoP9O JyP4xbOk9JR1e0pfZVdoIee0U9SL2Q+N0mT9Y6uRE8KMw/T+Gb8M8S+wJPvXVX94 JeVd54gcRN4=v7gM -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce