rhsa-2020_3221
Vulnerability from csaf_redhat
Published
2020-07-29 18:21
Modified
2024-11-05 22:31
Summary
Red Hat Security Advisory: kernel-rt security and bug fix update
Notes
Topic
An update for kernel-rt 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
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: kernel: DAX hugepages not considered during mremap (CVE-2020-10757)
* 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)
* kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver (CVE-2019-19527)
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-rt: provide infrastructure to support dual-signing of the kernel (foundation to help address CVE-2020-10713) (BZ#1837438)
* kernel-rt: update to the latest RHEL7.8.z3 source tree (BZ#1848017)
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.
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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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: kernel: DAX hugepages not considered during mremap (CVE-2020-10757)\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\n* kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver (CVE-2019-19527)\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-rt: provide infrastructure to support dual-signing of the kernel (foundation to help address CVE-2020-10713) (BZ#1837438)\n\n* kernel-rt: update to the latest RHEL7.8.z3 source tree (BZ#1848017)", "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-2020:3221", "url": "https://access.redhat.com/errata/RHSA-2020:3221" }, { "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": "1783498", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1783498" }, { "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": "external", "summary": "1842525", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1842525" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_3221.json" } ], "title": "Red Hat Security Advisory: kernel-rt security and bug fix update", "tracking": { "current_release_date": "2024-11-05T22:31:27+00:00", "generator": { "date": "2024-11-05T22:31:27+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2020:3221", "initial_release_date": 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be validated prior to its access. The device should also ensure the hiddev_list cleanup occurs at failure, as this may lead to a use-after-free problem, or possibly escalate privileges to an unauthorized user.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue is rated as Moderate because of the need of physical access to the system.", "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-NFV-7.8.Z:kernel-rt-0:3.10.0-1127.18.2.rt56.1116.el7.src", "7Server-NFV-7.8.Z:kernel-rt-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", 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{ "system_name": "Red Hat Bugzilla ID", "text": "1842525" } ], "notes": [ { "category": "description", "text": "A flaw was found in the way mremap handled DAX Huge Pages. This flaw allows a local attacker with access to a DAX enabled storage to escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: kernel: DAX hugepages not considered during mremap", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue requires access to a DAX enabled storage.\n\nThis issue affects Red Hat Enterprise Linux 7 kernels starting with kernel-3.10.0-862, that is Red Hat Enterprise Linux 7.5 GA kernel. Red Hat Enterprise Linux 7 kernels prior to that version are not affected as they did not include the functionality that enabled this issue to be exploited.\n\nRed Hat Product Security is aware of this issue. Updates will be released as they become available.", "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-NFV-7.8.Z:kernel-rt-0:3.10.0-1127.18.2.rt56.1116.el7.src", "7Server-NFV-7.8.Z:kernel-rt-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", "7Server-NFV-7.8.Z:kernel-rt-debug-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", "7Server-NFV-7.8.Z:kernel-rt-debug-debuginfo-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", "7Server-NFV-7.8.Z:kernel-rt-debug-devel-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", "7Server-NFV-7.8.Z:kernel-rt-debug-kvm-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", "7Server-NFV-7.8.Z:kernel-rt-debug-kvm-debuginfo-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", 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specific information elements. 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-NFV-7.8.Z:kernel-rt-0:3.10.0-1127.18.2.rt56.1116.el7.src", "7Server-NFV-7.8.Z:kernel-rt-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", "7Server-NFV-7.8.Z:kernel-rt-debug-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", "7Server-NFV-7.8.Z:kernel-rt-debug-debuginfo-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", "7Server-NFV-7.8.Z:kernel-rt-debug-devel-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", 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"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-NFV-7.8.Z:kernel-rt-0:3.10.0-1127.18.2.rt56.1116.el7.src", "7Server-NFV-7.8.Z:kernel-rt-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", "7Server-NFV-7.8.Z:kernel-rt-debug-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", "7Server-NFV-7.8.Z:kernel-rt-debug-debuginfo-0:3.10.0-1127.18.2.rt56.1116.el7.x86_64", 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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.