-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2022:7319-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:7319 Issue date: 2022-11-02 CVE Names: CVE-2022-2585 CVE-2022-30594 ==================================================================== 1. Summary: An update for kernel-rt is now available for Red Hat Enterprise Linux 9. 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. 9) - x86_64 Red Hat Enterprise Linux Real Time for NFV (v. 9) - 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): * posix cpu timer use-after-free may lead to local privilege escalation (CVE-2022-2585) * Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option (CVE-2022-30594) 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): * Update RT source tree to the latest RHEL-9.0.z4 Batch (BZ#2123498) 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/): 2085300 - CVE-2022-30594 kernel: Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option 2114874 - CVE-2022-2585 kernel: posix cpu timer use-after-free may lead to local privilege escalation 6. Package List: Red Hat Enterprise Linux Real Time for NFV (v. 9): Source: kernel-rt-5.14.0-70.30.1.rt21.102.el9_0.src.rpm x86_64: kernel-rt-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-core-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debug-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debug-core-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debug-debuginfo-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debug-devel-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debug-kvm-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debug-modules-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debug-modules-extra-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debuginfo-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debuginfo-common-x86_64-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-devel-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-kvm-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-modules-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-modules-extra-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm Red Hat Enterprise Linux Real Time (v. 9): Source: kernel-rt-5.14.0-70.30.1.rt21.102.el9_0.src.rpm x86_64: kernel-rt-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-core-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debug-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debug-core-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debug-debuginfo-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debug-devel-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debug-modules-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debug-modules-extra-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debuginfo-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-debuginfo-common-x86_64-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-devel-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-modules-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm kernel-rt-modules-extra-5.14.0-70.30.1.rt21.102.el9_0.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-2022-2585 https://access.redhat.com/security/cve/CVE-2022-30594 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 iQIVAwUBY2K9QtzjgjWX9erEAQiFLQ/+K6viC4XHwAj5lozXPGUlcQGQbeWWMB7q 0IMXwfGG+V8e4hRGQkqzBy2xZ5utcryPOCEbtygSbcZVHzyTvZbVU0yxJiH1fKLO +YfjYCoiu19G/KRkhOUEOB/23yJE9iKAL78pobh4GRCZ5/dp2tQDgRT7Nh72RXQT G/QkCNxQ5KMFtcsVNg4yN8BR5XS2vT83UrQ/B0PK4hcTIGlNw8OD2m6269HvSU4O fsVnF/igjUeLCcjCp/bHlT7+mJaTDSOro5EiMtEi2Q12etYIMnFIWBa8C8SzrjQc Mtn6Olon8s6uZt7KHan1zjJX6bGCKmnJZULW1IPnpDMWIRHBccOiM7vb9hrQVqCT QBWzf9hEOxc6ZzAwEO0mmFC6qrnBQUClZRF1/crDswTcp64RhBBgQZ0LlQvs1M1K L8wnuPCL4gY50B9nH2CX2sg8OffX9T8jNakSSbZCLduFvp0r7m2oQOK9vF5lMfQX 3B9vvq628DDVzveiw/LRxXtrFHAOM/SlYhz8iTp+L9JMQiwIl8c6SRMkXEqvLvLH C2iizwJircxlyXO6Jnd36yiy2Acbr24gPP2cycCYvlAWEegTcUAHEAiYVRmNiEzO csQhdzfQvGAawuiNSxuoNY608XWFdgBLGnXMjWKEZaxZiZi7W38ptsTgSn6LnEms fL5bpq4kKqk=cpHx -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce