{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright © Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.\n\n'Red Hat Product Security has rated this update as having a security impact of Moderate. 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.", "title": "Topic" }, { "category": "general", "text": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion (CVE-2022-0480)\n\nBug Fix(es):\n\n* kernel-rt: kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion (JIRA:RHEL-8998)\n\n* kernel-rt: update RT source tree to the latest RHEL-9.2.z7 Batch (JIRA:RHEL-26863)", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2024:1303", "url": "https://access.redhat.com/errata/RHSA-2024:1303" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "2049700", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2049700" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_1303.json" } ], "title": "Red Hat Security Advisory: kernel-rt security and bug fix update", "tracking": { "current_release_date": "2026-06-25T11:05:10+00:00", "generator": { "date": "2026-06-25T11:05:10+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.1.0" } }, "id": "RHSA-2024:1303", "initial_release_date": "2024-03-13T00:17:16+00:00", "revision_history": [ { "date": "2024-03-13T00:17:16+00:00", "number": "1", "summary": "Initial version" }, { "date": "2024-03-13T00:17:16+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2026-06-25T11:05:10+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux Real Time EUS (v.9.2)", "product": { "name": "Red Hat Enterprise Linux Real Time EUS (v.9.2)", 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This issue can lead to host memory exhaustion due to memcg not limiting the number of Portable Operating System Interface (POSIX) file locks.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.57.1.rt14.342.el9_2.src", "NFV-9.2.0.Z.EUS:kernel-rt-0:5.14.0-284.57.1.rt14.342.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-core-0:5.14.0-284.57.1.rt14.342.el9_2.x86_64", "NFV-9.2.0.Z.EUS:kernel-rt-debug-0:5.14.0-284.57.1.rt14.342.el9_2.x86_64", 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