rhsa-2022_5678
Vulnerability from csaf_redhat
Published
2022-07-21 12:34
Modified
2024-11-06 01:14
Summary
Red Hat Security Advisory: Red Hat Virtualization security, bug fix, and enhancement update [ovirt-4.5.1]
Notes
Topic
An update for imgbased, redhat-release-virtualization-host, and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 8.
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 redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.
The following packages have been upgraded to a later upstream version: redhat-release-virtualization-host (4.5.1), redhat-virtualization-host (4.5.1), redhat-virtualization-host-productimg (4.5.1). (BZ#2062192, BZ#2070869, BZ#2094682)
Security Fix(es):
* kernel: buffer overflow in IPsec ESP transformation code (CVE-2022-27666)
* grub2: Integer underflow in grub_net_recv_ip4_packets (CVE-2022-28733)
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):
* RHV-H 4.4 SP1 Has been rebased on RHEL 8.6 Batch #1 (BZ#2070869)
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 imgbased, redhat-release-virtualization-host, and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 8.\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 redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host\u0027s resources and performing administrative tasks.\n\nThe following packages have been upgraded to a later upstream version: redhat-release-virtualization-host (4.5.1), redhat-virtualization-host (4.5.1), redhat-virtualization-host-productimg (4.5.1). (BZ#2062192, BZ#2070869, BZ#2094682)\n\nSecurity Fix(es):\n\n* kernel: buffer overflow in IPsec ESP transformation code (CVE-2022-27666)\n\n* grub2: Integer underflow in grub_net_recv_ip4_packets (CVE-2022-28733)\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* RHV-H 4.4 SP1 Has been rebased on RHEL 8.6 Batch #1 (BZ#2070869)", "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-2022:5678", "url": "https://access.redhat.com/errata/RHSA-2022:5678" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2061633", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2061633" }, { "category": "external", "summary": "2070869", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2070869" }, { "category": "external", "summary": "2083339", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2083339" }, { "category": "external", "summary": "2097627", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2097627" }, { "category": "external", "summary": "2103984", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2103984" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2022/rhsa-2022_5678.json" } ], "title": "Red Hat Security Advisory: Red Hat Virtualization security, bug fix, and enhancement update [ovirt-4.5.1]", "tracking": { "current_release_date": "2024-11-06T01:14:15+00:00", "generator": { "date": "2024-11-06T01:14:15+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2022:5678", "initial_release_date": "2022-07-21T12:34:16+00:00", "revision_history": [ { "date": "2022-07-21T12:34:16+00:00", "number": "1", "summary": "Initial version" }, { "date": "2022-07-21T12:34:16+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-06T01:14:15+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product": { "name": "RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product_id": "8Base-RHV-HypervisorBuild-4", "product_identification_helper": { "cpe": "cpe:/o:redhat:rhev_hypervisor:4.4::el8" } } }, { "category": "product_name", "name": "Red Hat Virtualization 4 Hypervisor for RHEL 8", "product": { "name": "Red Hat Virtualization 4 Hypervisor for RHEL 8", "product_id": "8Base-RHV-Hypervisor-4", "product_identification_helper": { "cpe": "cpe:/o:redhat:rhev_hypervisor:4.4::el8" } } } ], "category": "product_family", "name": "Red Hat Virtualization" }, { "branches": 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{ "category": "default_component_of", "full_product_name": { "name": "redhat-virtualization-host-image-update-0:4.5.1-202207170705_8.6.x86_64 as a component of Red Hat Virtualization 4 Hypervisor for RHEL 8", "product_id": "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.5.1-202207170705_8.6.x86_64" }, "product_reference": "redhat-virtualization-host-image-update-0:4.5.1-202207170705_8.6.x86_64", "relates_to_product_reference": "8Base-RHV-Hypervisor-4" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-release-virtualization-host-0:4.5.1-1.el8ev.src as a component of RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product_id": "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.5.1-1.el8ev.src" }, "product_reference": "redhat-release-virtualization-host-0:4.5.1-1.el8ev.src", "relates_to_product_reference": "8Base-RHV-HypervisorBuild-4" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-release-virtualization-host-0:4.5.1-1.el8ev.x86_64 as a component of RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product_id": "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.5.1-1.el8ev.x86_64" }, "product_reference": "redhat-release-virtualization-host-0:4.5.1-1.el8ev.x86_64", "relates_to_product_reference": "8Base-RHV-HypervisorBuild-4" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-release-virtualization-host-content-0:4.5.1-1.el8ev.x86_64 as a component of RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product_id": "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.5.1-1.el8ev.x86_64" }, "product_reference": "redhat-release-virtualization-host-content-0:4.5.1-1.el8ev.x86_64", "relates_to_product_reference": "8Base-RHV-HypervisorBuild-4" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-virtualization-host-image-update-placeholder-0:4.5.1-1.el8ev.noarch as a component of RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product_id": "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.5.1-1.el8ev.noarch" }, "product_reference": "redhat-virtualization-host-image-update-placeholder-0:4.5.1-1.el8ev.noarch", "relates_to_product_reference": "8Base-RHV-HypervisorBuild-4" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-virtualization-host-productimg-0:4.5.1-1.el8.src as a component of RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product_id": "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-productimg-0:4.5.1-1.el8.src" }, "product_reference": "redhat-virtualization-host-productimg-0:4.5.1-1.el8.src", "relates_to_product_reference": "8Base-RHV-HypervisorBuild-4" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-virtualization-host-productimg-0:4.5.1-1.el8.x86_64 as a component of RHEL 8-based RHEV-H for RHEV 4 (build requirements)", "product_id": "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-productimg-0:4.5.1-1.el8.x86_64" }, "product_reference": "redhat-virtualization-host-productimg-0:4.5.1-1.el8.x86_64", "relates_to_product_reference": "8Base-RHV-HypervisorBuild-4" } ] }, "vulnerabilities": [ { "cve": "CVE-2022-27666", "cwe": { "id": "CWE-122", "name": "Heap-based Buffer Overflow" }, "discovery_date": "2022-03-08T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.5.1-1.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.5.1-1.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.5.1-1.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.5.1-1.el8ev.noarch", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-productimg-0:4.5.1-1.el8.src", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-productimg-0:4.5.1-1.el8.x86_64" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2061633" } ], "notes": [ { "category": "description", "text": "A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: buffer overflow in IPsec ESP transformation code", "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": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.5.1-202207170705_8.6.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.5.1-202207170705_8.6.x86_64" ], "known_not_affected": [ "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.5.1-1.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.5.1-1.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.5.1-1.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.5.1-1.el8ev.noarch", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-productimg-0:4.5.1-1.el8.src", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-productimg-0:4.5.1-1.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2022-27666" }, { "category": "external", "summary": "RHBZ#2061633", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2061633" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2022-27666", "url": "https://www.cve.org/CVERecord?id=CVE-2022-27666" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-27666", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-27666" }, { "category": "external", "summary": "https://github.com/torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c96645", "url": "https://github.com/torvalds/linux/commit/ebe48d368e97d007bfeb76fcb065d6cfc4c96645" } ], "release_date": "2022-03-11T06:30:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2022-07-21T12:34:16+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/2974891", "product_ids": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.5.1-202207170705_8.6.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.5.1-202207170705_8.6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2022:5678" }, { "category": "workaround", "details": "The given exploit needs CAP_NET_ADMIN to set up IPsec SA and a user namespace is used to get that capability, so disabling unprivileged user namespaces gives some protection.\n~~~\nOn non-containerized deployments of Red Hat Enterprise Linux 8, you can disable user namespaces by setting user.max_user_namespaces to 0:\n\n# echo \"user.max_user_namespaces=0\" \u003e /etc/sysctl.d/userns.conf\n# sysctl -p /etc/sysctl.d/userns.conf\n\nOn containerized deployments, such as Red Hat OpenShift Container Platform, do not use this mitigation as the functionality is needed to be enabled.\n~~~\nNote: If the target system is already using IPsec and has SA configured, then no additional privileges are needed to exploit the issue.", "product_ids": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.5.1-202207170705_8.6.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.5.1-202207170705_8.6.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.5.1-1.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.5.1-1.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.5.1-1.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.5.1-1.el8ev.noarch", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-productimg-0:4.5.1-1.el8.src", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-productimg-0:4.5.1-1.el8.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.5.1-202207170705_8.6.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.5.1-202207170705_8.6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "kernel: buffer overflow in IPsec ESP transformation code" }, { "cve": "CVE-2022-28733", "cwe": { "id": "CWE-191", "name": "Integer Underflow (Wrap or Wraparound)" }, "discovery_date": "2022-05-09T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.5.1-1.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.5.1-1.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.5.1-1.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.5.1-1.el8ev.noarch", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-productimg-0:4.5.1-1.el8.src", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-productimg-0:4.5.1-1.el8.x86_64" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2083339" } ], "notes": [ { "category": "description", "text": "A flaw was found in grub2 when handling IPv4 packets. This flaw allows an attacker to craft a malicious packet, triggering an integer underflow in grub code. Consequently, the memory allocation for handling the packet data may be smaller than the size needed. This issue causes an out-of-bands write during packet handling, compromising data integrity, confidentiality issues, a denial of service, and remote code execution.", "title": "Vulnerability description" }, { "category": "summary", "text": "grub2: Integer underflow in grub_net_recv_ip4_packets", "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": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.5.1-202207170705_8.6.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.5.1-202207170705_8.6.x86_64" ], "known_not_affected": [ "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.5.1-1.el8ev.src", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-0:4.5.1-1.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-release-virtualization-host-content-0:4.5.1-1.el8ev.x86_64", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-image-update-placeholder-0:4.5.1-1.el8ev.noarch", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-productimg-0:4.5.1-1.el8.src", "8Base-RHV-HypervisorBuild-4:redhat-virtualization-host-productimg-0:4.5.1-1.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2022-28733" }, { "category": "external", "summary": "RHBZ#2083339", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2083339" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2022-28733", "url": "https://www.cve.org/CVERecord?id=CVE-2022-28733" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-28733", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-28733" } ], "release_date": "2022-06-07T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2022-07-21T12:34:16+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/2974891", "product_ids": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.5.1-202207170705_8.6.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.5.1-202207170705_8.6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2022:5678" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "8Base-RHV-Hypervisor-4:redhat-virtualization-host-0:4.5.1-202207170705_8.6.src", "8Base-RHV-Hypervisor-4:redhat-virtualization-host-image-update-0:4.5.1-202207170705_8.6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "grub2: Integer underflow in grub_net_recv_ip4_packets" } ] }
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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.