rhsa-2023_7419
Vulnerability from csaf_redhat
Published
2023-11-21 15:31
Modified
2024-11-06 04:23
Summary
Red Hat Security Advisory: kpatch-patch security update
Notes
Topic
An update for kpatch-patch 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.
Details
This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.
Security Fix(es):
* kernel: net/sched: sch_qfq component can be exploited if in qfq_change_agg function happens qfq_enqueue overhead (CVE-2023-3611)
* kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776)
* kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route (CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208)
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.
Terms of Use
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.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.\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 is automatically loaded by the RPM post-install script to modify the code of a running kernel.\n\nSecurity Fix(es):\n\n* kernel: net/sched: sch_qfq component can be exploited if in qfq_change_agg function happens qfq_enqueue overhead (CVE-2023-3611)\n\n* kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776)\n\n* kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route (CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208)\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-2023:7419", "url": "https://access.redhat.com/errata/RHSA-2023:7419" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2225097", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2225097" }, { "category": "external", "summary": "2225191", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2225191" }, { "category": "external", "summary": "2225511", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2225511" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_7419.json" } ], "title": "Red Hat Security Advisory: kpatch-patch security update", "tracking": { "current_release_date": "2024-11-06T04:23:37+00:00", "generator": { "date": "2024-11-06T04:23:37+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2023:7419", "initial_release_date": "2023-11-21T15:31:09+00:00", "revision_history": [ { "date": "2023-11-21T15:31:09+00:00", "number": "1", "summary": "Initial version" }, { "date": "2023-11-21T15:31:09+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-06T04:23:37+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": 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Control (QoS) subsystem in the Linux kernel. This flaw allows a local user to crash or potentially escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: net/sched: sch_qfq component can be exploited if in qfq_change_agg function happens qfq_enqueue overhead", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-0:1-1.el7.ppc64le", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-0:1-1.el7.src", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-0:1-1.el7.x86_64", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-debuginfo-0:1-1.el7.ppc64le", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-debuginfo-0:1-1.el7.x86_64", 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This issue occurs due to a missing sanity check during cleanup at the time of failure, leading to a misleading reference. This may allow a local attacker to gain local privilege escalation.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-0:1-1.el7.ppc64le", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-0:1-1.el7.src", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-0:1-1.el7.x86_64", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-debuginfo-0:1-1.el7.ppc64le", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-debuginfo-0:1-1.el7.x86_64", 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All references and descriptions in this record have been removed to prevent accidental usage.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-0:1-1.el7.ppc64le", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-0:1-1.el7.src", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-0:1-1.el7.x86_64", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-debuginfo-0:1-1.el7.ppc64le", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-debuginfo-0:1-1.el7.x86_64", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_90_1-0:1-4.el7.ppc64le", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_90_1-0:1-4.el7.src", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_90_1-0:1-4.el7.x86_64", 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"details": "Important" } ], "title": "kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route" }, { "cve": "CVE-2023-4208", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "discovery_date": "2023-07-24T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2225511" } ], "notes": [ { "category": "description", "text": "There are 3 CVEs for the use-after-free flaw found in net/sched/cls_fw.c in classifiers (cls_fw, cls_u32, and cls_route) in the Linux Kernel: CVE-2023-4206, CVE-2023-4207, CVE-2023-4208. \r\nA local user could use any of these flaws to crash the system or potentially escalate their privileges on the system.\r\n\r\nSimilar CVE-2023-4128 was rejected as a duplicate.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-0:1-1.el7.ppc64le", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-0:1-1.el7.src", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-0:1-1.el7.x86_64", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-debuginfo-0:1-1.el7.ppc64le", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_102_1-debuginfo-0:1-1.el7.x86_64", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_90_1-0:1-4.el7.ppc64le", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_90_1-0:1-4.el7.src", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_90_1-0:1-4.el7.x86_64", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_90_1-debuginfo-0:1-4.el7.ppc64le", "7Server-7.9.Z:kpatch-patch-3_10_0-1160_90_1-debuginfo-0:1-4.el7.x86_64", 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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.