rhsa-2020_3232
Vulnerability from csaf_redhat
Published
2020-07-29 21:38
Modified
2024-11-05 22:31
Summary
Red Hat Security Advisory: kernel security and bug fix update
Notes
Topic
An update for kernel is now available for Red Hat Enterprise Linux 7.2 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: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653)
* kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654)
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.
Bug Fix(es):
* kernel: provide infrastructure to support dual-signing of the kernel (foundation to help address CVE-2020-10713) (BZ#1837424)
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 7.2 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 system.\n\nSecurity Fix(es):\n\n* kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653)\n\n* kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654)\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.\n\nBug Fix(es):\n\n* kernel: provide infrastructure to support dual-signing of the kernel (foundation to help address CVE-2020-10713) (BZ#1837424)", "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-2020:3232", "url": "https://access.redhat.com/errata/RHSA-2020:3232" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/security/vulnerabilities/grub2bootloader", "url": "https://access.redhat.com/security/vulnerabilities/grub2bootloader" }, { "category": "external", "summary": "1831868", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1831868" }, { "category": "external", "summary": "1832530", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1832530" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_3232.json" } ], "title": "Red Hat Security Advisory: kernel security and bug fix update", "tracking": { "current_release_date": "2024-11-05T22:31:51+00:00", "generator": { "date": "2024-11-05T22:31:51+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2020:3232", "initial_release_date": "2020-07-29T21:38:27+00:00", "revision_history": [ { "date": "2020-07-29T21:38:27+00:00", "number": "1", "summary": "Initial version" }, { "date": "2020-07-29T21:38:27+00:00", "number": "2", "summary": "Last updated version" }, { "date": 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A local user could use this flaw to escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c", "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-7.2.AUS:kernel-0:3.10.0-327.90.2.el7.src", "7Server-7.2.AUS:kernel-0:3.10.0-327.90.2.el7.x86_64", "7Server-7.2.AUS:kernel-abi-whitelists-0:3.10.0-327.90.2.el7.noarch", "7Server-7.2.AUS:kernel-debug-0:3.10.0-327.90.2.el7.x86_64", "7Server-7.2.AUS:kernel-debug-debuginfo-0:3.10.0-327.90.2.el7.x86_64", "7Server-7.2.AUS:kernel-debug-devel-0:3.10.0-327.90.2.el7.x86_64", 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mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c" }, { "cve": "CVE-2020-12654", "cwe": { "id": "CWE-122", "name": "Heap-based Buffer Overflow" }, "discovery_date": "2020-05-05T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1832530" } ], "notes": [ { "category": "description", "text": "A flaw was found in the Linux kernel. The Marvell mwifiex driver allows a remote WiFi access point to trigger a heap-based memory buffer overflow due to an incorrect memcpy operation. The highest threat from this vulnerability is to data integrity and system availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c", "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-7.2.AUS:kernel-0:3.10.0-327.90.2.el7.src", "7Server-7.2.AUS:kernel-0:3.10.0-327.90.2.el7.x86_64", "7Server-7.2.AUS:kernel-abi-whitelists-0:3.10.0-327.90.2.el7.noarch", "7Server-7.2.AUS:kernel-debug-0:3.10.0-327.90.2.el7.x86_64", "7Server-7.2.AUS:kernel-debug-debuginfo-0:3.10.0-327.90.2.el7.x86_64", 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"machine" }, "url": "https://access.redhat.com/errata/RHSA-2020:3232" }, { "category": "workaround", "details": "In order to mitigate this issue, it is possible to prevent the affected code from being loaded by blacklisting the kernel module mwifiex. 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"integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "7Server-7.2.AUS:kernel-0:3.10.0-327.90.2.el7.src", "7Server-7.2.AUS:kernel-0:3.10.0-327.90.2.el7.x86_64", "7Server-7.2.AUS:kernel-abi-whitelists-0:3.10.0-327.90.2.el7.noarch", "7Server-7.2.AUS:kernel-debug-0:3.10.0-327.90.2.el7.x86_64", "7Server-7.2.AUS:kernel-debug-debuginfo-0:3.10.0-327.90.2.el7.x86_64", "7Server-7.2.AUS:kernel-debug-devel-0:3.10.0-327.90.2.el7.x86_64", "7Server-7.2.AUS:kernel-debuginfo-0:3.10.0-327.90.2.el7.x86_64", "7Server-7.2.AUS:kernel-debuginfo-common-x86_64-0:3.10.0-327.90.2.el7.x86_64", "7Server-7.2.AUS:kernel-devel-0:3.10.0-327.90.2.el7.x86_64", "7Server-7.2.AUS:kernel-doc-0:3.10.0-327.90.2.el7.noarch", "7Server-7.2.AUS:kernel-headers-0:3.10.0-327.90.2.el7.x86_64", "7Server-7.2.AUS:kernel-tools-0:3.10.0-327.90.2.el7.x86_64", 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overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c" } ] }
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Sightings
Author | Source | Type | Date |
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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.