-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2023:0531-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:0531 Issue date: 2023-01-30 CVE Names: CVE-2022-2964 CVE-2022-4139 ===================================================================== 1. Summary: An update for kernel-rt is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. 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 EUS (v.8.4) - x86_64 Red Hat Enterprise Linux Real Time for NFV EUS (v.8.4) - 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: memory corruption in AX88179_178A based USB ethernet device. (CVE-2022-2964) * kernel: i915: Incorrect GPU TLB flush can lead to random memory access (CVE-2022-4139) 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-8.4.z14 source tree. (BZ#2151921) 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/): 2067482 - CVE-2022-2964 kernel: memory corruption in AX88179_178A based USB ethernet device. 2147572 - CVE-2022-4139 kernel: i915: Incorrect GPU TLB flush can lead to random memory access 6. Package List: Red Hat Enterprise Linux Real Time for NFV EUS (v.8.4): Source: kernel-rt-4.18.0-305.76.1.rt7.148.el8_4.src.rpm x86_64: kernel-rt-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-core-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debug-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debug-core-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debug-devel-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debug-kvm-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debug-modules-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debuginfo-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-devel-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-kvm-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-modules-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-modules-extra-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm Red Hat Enterprise Linux Real Time EUS (v.8.4): Source: kernel-rt-4.18.0-305.76.1.rt7.148.el8_4.src.rpm x86_64: kernel-rt-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-core-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debug-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debug-core-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debug-devel-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debug-modules-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debuginfo-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-devel-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-modules-4.18.0-305.76.1.rt7.148.el8_4.x86_64.rpm kernel-rt-modules-extra-4.18.0-305.76.1.rt7.148.el8_4.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-2022-2964 https://access.redhat.com/security/cve/CVE-2022-4139 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 iQIVAwUBY9fxmtzjgjWX9erEAQj96Q//Xlq8NhW5JMrejyIuc4ZkC17zxE1b5g3S 8M8YKOeN/BFW0hF4/KHoVjtYTPYOehKMMTYKb3cAjsXa6dK3ryk6dTyJx1a/n5NH RYAi7s2rqpWTiB5ufH+E0SaPws3MDOGKYpiXI3EBf9JE7F5ok/FP74ALwOF8knHl xTqLIdMYx7fsRq/scGiNUO4G1t0i3Jf2jmsHWH34K3L0saKSEmsuOlaMLlY2Uz2y 7knx3bG7F0TyZIGl2XrxeX6t9yHVFwxHY+yMUE+pG6s0+5INtPEAYHOne2kq+oY1 C6jeTvrRJ9mXVj1b6ZtnLwbiJw+ahUG/Z/8q3xtzjFQVrkhIBjCT11ktVl1WGo15 zx6XV7JyZgMcfmGJpU2+HSU1+qI6xB2kSn+DQBoPIgZMW2g+a+RlwRTdCd8Zm5VU MMulhPh3iskO6zNqhyn2D/xeZo2Un6Te/1kHlrG4HMOVPmsnHoaPGCCw0w+jJ+KY 7sVerSeSktU7yLbykIYWV+2SCEUBwnpqWR1R9frrH1GmUC5odqYUbjIzCKKuptVs 7BrJcOQ2p/JaSRfTG9VrQXkjrqMK0DVbrNtdl0GtnyF/NveBGN8h2ZuwXNJp/IuK HqY9iyVw6QboSzXXqCo4Ckl9mXbXX9zW0oHS+XVY+MyO3kzJTLYgUm+NBCl5MCIC srhF70ZWBeA= =2eE8 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce