-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2021:0004-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0004 Issue date: 2021-01-04 CVE Names: CVE-2020-25211 ===================================================================== 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: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211) 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 RHEL-8.3.z source tree (BZ#1906140) 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/): 1877571 - CVE-2020-25211 kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c 1906140 - kernel-rt: update RT source tree to the RHEL-8.3.z source tree 6. Package List: Red Hat Enterprise Linux Real Time for NFV (v. 8): Source: kernel-rt-4.18.0-240.10.1.rt7.64.el8_3.src.rpm x86_64: kernel-rt-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-core-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-core-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-devel-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-kvm-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-modules-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debuginfo-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-devel-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-kvm-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-modules-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-modules-extra-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm Red Hat Enterprise Linux Real Time (v. 8): Source: kernel-rt-4.18.0-240.10.1.rt7.64.el8_3.src.rpm x86_64: kernel-rt-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-core-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-core-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-devel-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-modules-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debuginfo-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-devel-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-modules-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-modules-extra-4.18.0-240.10.1.rt7.64.el8_3.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-2020-25211 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 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBX/Lbe9zjgjWX9erEAQisBw/9EBsQKcPO0wrhUV+0YPtjVebpIKdbhVIo wh+6CDzokaTYEw4ITKSgAGcWcs65FrFRzJ0ayyc1OJffqE5oQKV305hgVDOX9gq7 kweTcLWvuhUo6tE+58ZFDDZ5EwCaU4LUM/stzn8KKqoLzj1FZrZbZ/3DN90TcPHI bQ0DX0LIY39q0NGs/RHgoGGbzLpMyTBvrn2shRHpCG31PgPmzuCOhcddOOmE2LtX L8dDv/rvFKzOrY40BcNpBy2m8Zv8VzBmlTLAa6Hx/d1n3e1zT7bwO9e40xigzJTe uHx8H73HTtVecltbTa0KG1ruuUN/wkbPDz+U9/jRhlF+f5qbUYwceW/e6I4tRB2X lyfe4B0v94LzRASw7FWklrrlX6JlH2Kjl1AdsNX4GJxmwKzGODhPrbAsg89IMvA6 Jmi15mIOvrXMvXmHFAHEIO2weAzBMNlmXvvIHV6hajlXC6EecSzpYDsEU0SNcGag b+4sg+DiwvbUrT8J7cN8iX1IgjtOXFjF+Qf/7VIPYX8Is7Xutw6fWyCP5L2B2v83 oaWs1VNU5mihog6jF+TYiL5KgMBzdNV96dQH8c9imPNdk3wFZ9mxIFR1qmxAZob/ 0R3uLE7TWyba5g9cHg+a+BA4UGqJfBh3YJeq+17Aidwrn/shXBIsZaxZk9PpGrrB Z6xbn7SHlrU= =KbQw -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce