rhsa-2024_5261
Vulnerability from csaf_redhat
Published
2024-08-13 11:00
Modified
2024-11-15 18:40
Summary
Red Hat Security Advisory: kernel security update
Notes
Topic
An update for kernel is now available for Red Hat Enterprise Linux 7.7 Advanced 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
The kernel packages contain the Linux kernel, the core of any Linux operating
system.
Security Fix(es):
* kernel: af_unix: Fix null-ptr-deref in unix_stream_sendpage(). (CVE-2023-4622)
* kernel: KEV - Beaky Buzzard (CVE-2024-36971)
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 kernel is now available for Red Hat Enterprise Linux 7.7 Advanced 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": "The kernel packages contain the Linux kernel, the core of any Linux operating\nsystem.\n\nSecurity Fix(es):\n\n* kernel: af_unix: Fix null-ptr-deref in unix_stream_sendpage(). (CVE-2023-4622)\n\n* kernel: KEV - Beaky Buzzard (CVE-2024-36971)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE page(s)\nlisted 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-2024:5261", "url": "https://access.redhat.com/errata/RHSA-2024:5261" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2237760", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2237760" }, { "category": "external", "summary": "2292331", 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"relates_to_product_reference": "7Server-optional-7.7.AUS" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-4622", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "discovery_date": "2023-09-06T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "7Server-7.7.AUS:kernel-headers-0:3.10.0-1062.90.1.el7.x86_64", "7Server-optional-7.7.AUS:kernel-headers-0:3.10.0-1062.90.1.el7.x86_64" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2237760" } ], "notes": [ { "category": "description", "text": "A use-after-free flaw was found in the Linux kernel\u0027s af_unix component that allows local privilege escalation. The unix_stream_sendpage() function tries to add data to the last skb in the peer\u0027s recv queue without locking the queue. This issue leads to a race condition where the unix_stream_sendpage() function could access a skb that is being released by garbage collection, resulting in a use-after-free issue.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: use after free in unix_stream_sendpage", "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-7.7.AUS:bpftool-0:3.10.0-1062.90.1.el7.x86_64", "7Server-7.7.AUS:bpftool-debuginfo-0:3.10.0-1062.90.1.el7.x86_64", "7Server-7.7.AUS:kernel-0:3.10.0-1062.90.1.el7.src", "7Server-7.7.AUS:kernel-0:3.10.0-1062.90.1.el7.x86_64", "7Server-7.7.AUS:kernel-abi-whitelists-0:3.10.0-1062.90.1.el7.noarch", 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This flaw allows an attacker to alter the behavior of certain network connections.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: net: kernel: UAF in network route management", "title": "Vulnerability summary" }, { "category": "other", "text": "Environments which use third-party KABI modules may experience kernel crashes after applying errata for CVE-2024-36971. Contact your module vendor about an update. Until these third party modules can be fixed, you can prevent crashes by disabling them. This problem stems from modules which use the `negative_advice()` function.", "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-7.7.AUS:bpftool-0:3.10.0-1062.90.1.el7.x86_64", "7Server-7.7.AUS:bpftool-debuginfo-0:3.10.0-1062.90.1.el7.x86_64", "7Server-7.7.AUS:kernel-0:3.10.0-1062.90.1.el7.src", "7Server-7.7.AUS:kernel-0:3.10.0-1062.90.1.el7.x86_64", "7Server-7.7.AUS:kernel-abi-whitelists-0:3.10.0-1062.90.1.el7.noarch", "7Server-7.7.AUS:kernel-debug-0:3.10.0-1062.90.1.el7.x86_64", "7Server-7.7.AUS:kernel-debug-debuginfo-0:3.10.0-1062.90.1.el7.x86_64", "7Server-7.7.AUS:kernel-debug-devel-0:3.10.0-1062.90.1.el7.x86_64", "7Server-7.7.AUS:kernel-debuginfo-0:3.10.0-1062.90.1.el7.x86_64", 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"https://lore.kernel.org/linux-cve-announce/20240610090330.1347021-2-lee@kernel.org/T", "url": "https://lore.kernel.org/linux-cve-announce/20240610090330.1347021-2-lee@kernel.org/T" }, { "category": "external", "summary": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog" } ], "release_date": "2024-06-10T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2024-08-13T11:00:08+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.", "product_ids": [ "7Server-7.7.AUS:bpftool-0:3.10.0-1062.90.1.el7.x86_64", "7Server-7.7.AUS:bpftool-debuginfo-0:3.10.0-1062.90.1.el7.x86_64", "7Server-7.7.AUS:kernel-0:3.10.0-1062.90.1.el7.src", "7Server-7.7.AUS:kernel-0:3.10.0-1062.90.1.el7.x86_64", 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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- 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.