rhsa-2023_7411
Vulnerability from csaf_redhat
Published
2023-11-21 12:28
Modified
2024-09-16 12:39
Summary
Red Hat Security Advisory: kpatch-patch security update
Notes
Topic
An update for kpatch-patch is now available for Red Hat Enterprise Linux 9.0 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.
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: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776)
* kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)
* kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004)
* kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free (CVE-2023-4147)
* kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)
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_vex", "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 9.0 Extended Update Support.\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: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776)\n\n* kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)\n\n* kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004)\n\n* kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free (CVE-2023-4147)\n\n* kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)\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 offerings.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2023:7411", "url": "https://access.redhat.com/errata/RHSA-2023:7411" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2224048", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2224048" }, { "category": "external", "summary": "2225097", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2225097" }, { "category": "external", "summary": "2225239", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2225239" }, { "category": "external", "summary": "2225275", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2225275" }, { "category": "external", "summary": "2239843", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2239843" }, { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_7411.json" } ], "title": "Red Hat Security Advisory: kpatch-patch security update", "tracking": { "current_release_date": "2024-09-16T12:39:46+00:00", "generator": { "date": "2024-09-16T12:39:46+00:00", "engine": { "name": "Red Hat SDEngine", "version": "3.33.3" } }, "id": "RHSA-2023:7411", "initial_release_date": "2023-11-21T12:28:04+00:00", "revision_history": [ { "date": "2023-11-21T12:28:04+00:00", "number": "1", "summary": "Initial version" }, { "date": "2023-11-21T12:28:05+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-09-16T12:39:46+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 BaseOS EUS (v.9.0)", "product": { "name": "Red Hat Enterprise Linux BaseOS EUS (v.9.0)", "product_id": "BaseOS-9.0.0.Z.EUS", "product_identification_helper": { "cpe": "cpe:/o:redhat:rhel_eus:9.0::baseos" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux" }, { "branches": [ { "category": "product_version", "name": "kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.src", "product": { "name": "kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.src", "product_id": "kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/kpatch-patch-5_14_0-70_53_1@1-5.el9_0?arch=src" } } }, { "category": 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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": [ "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.ppc64le", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.src", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.x86_64", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-debuginfo-0:1-5.el9_0.ppc64le", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-debuginfo-0:1-5.el9_0.x86_64", 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"kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function" }, { "cve": "CVE-2023-3812", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "discovery_date": "2023-07-19T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2224048" } ], "notes": [ { "category": "description", "text": "An out-of-bounds memory access flaw was found in the Linux kernel\u2019s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags", "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": [ "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.ppc64le", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.src", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.x86_64", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-debuginfo-0:1-5.el9_0.ppc64le", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-debuginfo-0:1-5.el9_0.x86_64", 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"kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags" }, { "cve": "CVE-2023-4004", "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": "2225275" } ], "notes": [ { "category": "description", "text": "A use-after-free flaw was found in the Linux kernel\u0027s netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove()", "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": [ "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.ppc64le", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.src", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.x86_64", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-debuginfo-0:1-5.el9_0.ppc64le", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-debuginfo-0:1-5.el9_0.x86_64", 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This flaw allows a local user to crash or escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free", "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": [ "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.ppc64le", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.src", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.x86_64", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-debuginfo-0:1-5.el9_0.ppc64le", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-debuginfo-0:1-5.el9_0.x86_64", 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], "notes": [ { "category": "description", "text": "An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the `h-\u003enets` array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: netfilter: potential slab-out-of-bound access due to integer underflow", "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": [ "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.ppc64le", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.src", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.x86_64", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-debuginfo-0:1-5.el9_0.ppc64le", "BaseOS-9.0.0.Z.EUS:kpatch-patch-5_14_0-70_53_1-debuginfo-0:1-5.el9_0.x86_64", 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"restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:7411" }, { "category": "workaround", "details": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. 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underflow" } ] }
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