-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2023:4150-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:4150 Issue date: 2023-07-18 CVE Names: CVE-2022-3564 ===================================================================== 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 for Real Time (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 caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564) 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 latest RHEL7.9.z24 source tree (BZ#2212577) 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/): 2150999 - CVE-2022-3564 kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c 6. Package List: Red Hat Enterprise Linux for Real Time for NFV (v. 7): Source: kernel-rt-3.10.0-1160.95.1.rt56.1241.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1160.95.1.rt56.1241.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-debug-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-debug-kvm-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-debug-kvm-debuginfo-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-devel-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-kvm-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-kvm-debuginfo-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-trace-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-trace-kvm-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-trace-kvm-debuginfo-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm Red Hat Enterprise Linux for Real Time (v. 7): Source: kernel-rt-3.10.0-1160.95.1.rt56.1241.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1160.95.1.rt56.1241.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-debug-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-devel-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-trace-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1160.95.1.rt56.1241.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1160.95.1.rt56.1241.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-2022-3564 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 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCAAGBQJktmwRAAoJENzjgjWX9erEsIYP/AzS2OWYZFXkbQAPbhrpQUWb JKXU9U3LH4uXtY8MXapXRSDKGvk+a0zoXHLf8QpAd6e1RF8b3uOulMYsVH0iNHnH MVCgjza8bF5X2zY/dNnYpcWHUkJDYDH8neP0tJQMvFjJCmregpHyv8P/nSPo49EV ikG5kyRl5gbXdWf9Wir4cGAVTARMS+Sy8UkuyHeWhIctYBwfILx6yrgqiRx7g05k usGkBFLTZw0U9BiPHG1NrjlunR/ais6IwQS7qdFJ68C24ygc2c6AFCQAwMrl/XH6 IAy/60x4EZTU0PVEVqub9ovkZAfaUFGeNKnQCJ0m/iANLV36htpi24KMtA4iQnck qsOHMRwywgVhJw1NNUGg1oeVJRlbd+wcehoF2kG/LZG6ZafaLO9H1bwZdGggtg91 pYjEFlnwwOcTZlejfdbKCNPqtY7lxumihV7Y9CZnsE3maL+7BKrx/EHQlyYR4jj3 ePsxQzWeuElpaOK+IcYGkPiuMJrwFOSjje0ZK67phdncZzdmEk1/RFpArfqO/Or4 Ai0fCHk5zLs5VQ9m7k+Qxyv166g+0Ro+BvsIiTyhwnaKplrRgr2xbNXJkQGg/JpL BvMYvAkeBWFdtX27jfBZyrJGUNCwHHUEhm/KLDTONpycP8q7vPblrE3O/AAxI1oU h2MBryWZxxVJP4348IBG =eYzn -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce