{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "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 multiple packages is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions.\n\nRed 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.", "title": "Topic" }, { "category": "general", "text": "This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patch module is targeted for kernel-5.14.0-70.124.1.el9_0.\n\nSecurity Fix(es):\n\n* kernel: crypto: algif_aead - Revert to operating out-of-place (CVE-2026-31431)\n\nFor 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.", "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-2026:16209", "url": "https://access.redhat.com/errata/RHSA-2026:16209" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2460538", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460538" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_16209.json" } ], "title": "Red Hat Security Advisory: kpatch-patch-5_14_0-70_124_1, kpatch-patch-5_14_0-70_132_1, kpatch-patch-5_14_0-70_144_1, kpatch-patch-5_14_0-70_155_1, and kpatch-patch-5_14_0-70_167_1 security update", "tracking": { "current_release_date": "2026-06-30T17:36:56+00:00", "generator": { "date": "2026-06-30T17:36:56+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.3.1" } }, "id": "RHSA-2026:16209", "initial_release_date": "2026-05-12T12:29:49+00:00", "revision_history": [ { "date": "2026-05-12T12:29:49+00:00", "number": "1", "summary": "Initial version" }, { "date": "2026-05-12T12:29:49+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2026-06-30T17:36:56+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", 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Enterprise Linux BaseOS E4S (v.9.0)", "product_id": "BaseOS-9.0.0.Z.E4S:kpatch-patch-5_14_0-70_167_1-debugsource-0:1-1.el9_0.ppc64le" }, "product_reference": "kpatch-patch-5_14_0-70_167_1-debugsource-0:1-1.el9_0.ppc64le", "relates_to_product_reference": "BaseOS-9.0.0.Z.E4S" }, { "category": "default_component_of", "full_product_name": { "name": "kpatch-patch-5_14_0-70_167_1-debugsource-0:1-1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.0)", "product_id": "BaseOS-9.0.0.Z.E4S:kpatch-patch-5_14_0-70_167_1-debugsource-0:1-1.el9_0.x86_64" }, "product_reference": "kpatch-patch-5_14_0-70_167_1-debugsource-0:1-1.el9_0.x86_64", "relates_to_product_reference": "BaseOS-9.0.0.Z.E4S" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-31431", "cwe": { "id": "CWE-1288", "name": "Improper Validation of Consistency within Input" }, "discovery_date": "2026-04-22T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2460538" } ], "notes": [ { "category": "description", "text": "A flaw was found in the Linux kernel's algif_aead cryptographic algorithm interface. An incorrect in-place operation causes source and destination data mappings to differ during cryptographic processing. A low-privileged local attacker can exploit this flaw to corrupt the contents of sensitive system files and escalate to root privileges.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: crypto: algif_aead - Revert to operating out-of-place", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue is classified as Important, rather than Critical severity, because exploitation requires local access to the system. A low-privileged local attacker can exploit this flaw in the Linux kernel's cryptographic interface to gain root privileges by overwriting sensitive system files. Exploitation does not require user interaction, potentially resulting in full compromise of confidentiality, integrity, and availability.", "title": "Statement" }, { "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": [ "BaseOS-9.0.0.Z.E4S:kpatch-patch-5_14_0-70_124_1-0:1-12.el9_0.ppc64le", "BaseOS-9.0.0.Z.E4S:kpatch-patch-5_14_0-70_124_1-0:1-12.el9_0.src", "BaseOS-9.0.0.Z.E4S:kpatch-patch-5_14_0-70_124_1-0:1-12.el9_0.x86_64", "BaseOS-9.0.0.Z.E4S:kpatch-patch-5_14_0-70_124_1-debuginfo-0:1-12.el9_0.ppc64le", "BaseOS-9.0.0.Z.E4S:kpatch-patch-5_14_0-70_124_1-debuginfo-0:1-12.el9_0.x86_64", "BaseOS-9.0.0.Z.E4S:kpatch-patch-5_14_0-70_124_1-debugsource-0:1-12.el9_0.ppc64le", 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"https://access.redhat.com/articles/7141989", "url": "https://access.redhat.com/articles/7141989" }, { "category": "external", "summary": "https://access.redhat.com/solutions/7141931", "url": "https://access.redhat.com/solutions/7141931" }, { "category": "external", "summary": "https://access.redhat.com/solutions/7141979", "url": "https://access.redhat.com/solutions/7141979" }, { "category": "external", "summary": "https://access.redhat.com/solutions/7141990", "url": "https://access.redhat.com/solutions/7141990" }, { "category": "external", "summary": "https://access.redhat.com/solutions/7141996", "url": "https://access.redhat.com/solutions/7141996" }, { "category": "external", "summary": "https://access.redhat.com/solutions/7142032", "url": "https://access.redhat.com/solutions/7142032" }, { "category": "external", "summary": 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"BaseOS-9.0.0.Z.E4S:kpatch-patch-5_14_0-70_167_1-debugsource-0:1-1.el9_0.x86_64" ] } ], "threats": [ { "category": "exploit_status", "date": "2026-05-01T00:00:00+00:00", "details": "CISA: https://www.cisa.gov/known-exploited-vulnerabilities-catalog" }, { "category": "impact", "details": "Important" } ], "title": "kernel: crypto: algif_aead - Revert to operating out-of-place" } ] }