rhsa-2022_0078
Vulnerability from csaf_redhat
Published
2022-01-11 16:03
Modified
2024-11-15 07:35
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 8.2 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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: fuse: fuse_do_getattr() calls make_bad_inode() in inappropriate situations (CVE-2020-36322)
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: update RT source tree to the latest RHEL-8.2.z14 Batch source tree (BZ#2032551)
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": "Moderate" }, "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-rt is now available for Red Hat Enterprise Linux 8.2 Extended Update Support.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. 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: fuse: fuse_do_getattr() calls make_bad_inode() in inappropriate situations (CVE-2020-36322)\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: update RT source tree to the latest RHEL-8.2.z14 Batch source tree (BZ#2032551)", "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-2022:0078", "url": "https://access.redhat.com/errata/RHSA-2022:0078" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "1949560", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1949560" }, { "category": "self", "summary": "Canonical URL", 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A local user could use this flaw to crash the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: fuse: fuse_do_getattr() calls make_bad_inode() in inappropriate situations", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue affected Linux kernel versions as shipped with Red Hat Enterprise Linux from 8.3 and prior the versions. RHEL 8.4 and later versions are not affected.", "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": [ "NFV-8.2.0.Z.EUS:kernel-rt-0:4.18.0-193.71.1.rt13.121.el8_2.src", "NFV-8.2.0.Z.EUS:kernel-rt-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", "NFV-8.2.0.Z.EUS:kernel-rt-core-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", "NFV-8.2.0.Z.EUS:kernel-rt-debug-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", "NFV-8.2.0.Z.EUS:kernel-rt-debug-core-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", "NFV-8.2.0.Z.EUS:kernel-rt-debug-debuginfo-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", "NFV-8.2.0.Z.EUS:kernel-rt-debug-devel-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", "NFV-8.2.0.Z.EUS:kernel-rt-debug-kvm-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", 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required, its use can be disabled by preventing the module from loading with the following instructions:\n\n# echo \"install fuse /bin/true\" \u003e\u003e /etc/modprobe.d/disable-fuse.conf\n\nThe system will need to be restarted if the FUSE modules are loaded. In most circumstances, the CIFS kernel modules will be unable to be unloaded while the FUSE filesystems are in use.\n\nIf the system requires this module to work correctly, this mitigation may not be suitable.\n\nIf you need further assistance, see KCS article https://access.redhat.com/solutions/41278 or contact Red Hat Global Support Services.", "product_ids": [ "NFV-8.2.0.Z.EUS:kernel-rt-0:4.18.0-193.71.1.rt13.121.el8_2.src", "NFV-8.2.0.Z.EUS:kernel-rt-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", "NFV-8.2.0.Z.EUS:kernel-rt-core-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", "NFV-8.2.0.Z.EUS:kernel-rt-debug-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", "NFV-8.2.0.Z.EUS:kernel-rt-debug-core-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", "NFV-8.2.0.Z.EUS:kernel-rt-debug-debuginfo-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", "NFV-8.2.0.Z.EUS:kernel-rt-debug-devel-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", "NFV-8.2.0.Z.EUS:kernel-rt-debug-kvm-0:4.18.0-193.71.1.rt13.121.el8_2.x86_64", 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"impact", "details": "Moderate" } ], "title": "kernel: fuse: fuse_do_getattr() calls make_bad_inode() in inappropriate situations" } ] }
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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.