-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2022:5344-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:5344 Issue date: 2022-06-28 CVE Names: CVE-2020-28915 CVE-2022-27666 ==================================================================== 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: buffer overflow in IPsec ESP transformation code (CVE-2022-27666) * kernel: out-of-bounds read in fbcon_get_font function (CVE-2020-28915) 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-8.6.z0 Batch (BZ#2081704) 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/): 1899177 - CVE-2020-28915 kernel: out-of-bounds read in fbcon_get_font function 2061633 - CVE-2022-27666 kernel: buffer overflow in IPsec ESP transformation code 6. Package List: Red Hat Enterprise Linux Real Time for NFV (v. 8): Source: kernel-rt-4.18.0-372.13.1.rt7.170.el8_6.src.rpm x86_64: kernel-rt-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-core-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debug-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debug-core-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debug-devel-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debug-kvm-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debug-modules-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debuginfo-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-devel-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-kvm-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-modules-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-modules-extra-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm Red Hat Enterprise Linux Real Time (v. 8): Source: kernel-rt-4.18.0-372.13.1.rt7.170.el8_6.src.rpm x86_64: kernel-rt-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-core-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debug-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debug-core-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debug-devel-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debug-modules-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debuginfo-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-devel-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-modules-4.18.0-372.13.1.rt7.170.el8_6.x86_64.rpm kernel-rt-modules-extra-4.18.0-372.13.1.rt7.170.el8_6.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-2020-28915 https://access.redhat.com/security/cve/CVE-2022-27666 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 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYrtJ5dzjgjWX9erEAQjLuQ//RTFa25s0NkMzXnXy+rZcNVr9EQI/hcM7 t+ECJecRFQqXOYCKFRl8ZKs+LF5x3G0AVZqjw8KCduF/sxLWxzeav+xt0O4wf37c +XS3RbWfvCQgASpfimyc0lmijbSAug9KN60eQ+C5WJ997FSshGNucANW+cNwoVGA MPzAnBfSnv5cdIHBudV8CcrhdMwdpoHu+fAftNr6JSGEq3mrsyQlF0JQFNLFEZA7 GIt0XSvPDfWT4NniYbnM3q/qXEGZh4Y8+vYJMJJ3nGKd1DDeo/dPFdhagABCLXnt qZ8p4PqL8v5j9F9Gzdv7E0D5b/YIT7N+U5tN/iAz0vMeXrNevBS230bU8NI82Hmo HNxcyXKjq+MDmMCQL6AMV0Y4cjWPB7Y8T/R1qvKuMAf4+v2sKQhBGKYNviFauFl8 VHVT5WI7hqeVbU70SBx87fSGPeJXBFIECpgR14G3h2QeZnzswuBvXNNSOGgyZe87 vWcwfJWFlo3W7F/219RBK6XHViqWStbnHOj49v4HCSLOje/fPOv8Ot4s04+b6TX6 n3BJlERgcyWQmA+XuvwBZ7ekDR1ujpUMHiUvTmdUhaO/Tj5G2IJfqGreJLjydutZ h1Z0XUZ+Eo53nE+hbPknqoFA2Kmt3pZBgpwk6VxbBVjkd337sNelvsmwDMjPlF3R OpWsav5LD2U=JaXM -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce