rhsa-2022_5439
Vulnerability from csaf_redhat
Published
2022-07-01 00:52
Modified
2024-11-15 14:54
Summary
Red Hat Security Advisory: RHV-H security update (redhat-virtualization-host) 4.3.23
Notes
Topic
An update for redhat-release-virtualization-host and redhat-virtualization-host is now available for Red Hat Virtualization 4 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 redhat-virtualization-host packages provide the Red Hat Virtualization Host.
These packages include redhat-release-virtualization-host. 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.
Security Fix(es) from Bugzilla:
* zlib: A flaw found in zlib when compressing (not decompressing) certain inputs (CVE-2018-25032)
* gzip: arbitrary-file-write vulnerability (CVE-2022-1271)
* rsyslog: Heap-based overflow in TCP syslog server (CVE-2022-24903)
* kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-1966)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es) from Bugzilla:
* RHV-H 4.3 has been rebased on RHEL 7.9 batch (BZ#2084444)
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 redhat-release-virtualization-host and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7.\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.\nThese packages include redhat-release-virtualization-host. Red Hat\nVirtualization Hosts (RHVH) are installed using a special build of Red Hat\nEnterprise Linux with only the packages required to host virtual machines. \nRHVH features a Cockpit user interface for monitoring the host\u0027s resources and performing administrative tasks.\n\nSecurity Fix(es) from Bugzilla:\n\n* zlib: A flaw found in zlib when compressing (not decompressing) certain inputs (CVE-2018-25032)\n\n* gzip: arbitrary-file-write vulnerability (CVE-2022-1271)\n\n* rsyslog: Heap-based overflow in TCP syslog server (CVE-2022-24903)\n\n* kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-1966)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es) from Bugzilla:\n\n* RHV-H 4.3 has been rebased on RHEL 7.9 batch (BZ#2084444)", "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-2022:5439", "url": "https://access.redhat.com/errata/RHSA-2022:5439" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2067945", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2067945" }, { "category": "external", "summary": "2073310", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2073310" }, { "category": "external", "summary": "2081353", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2081353" }, { "category": "external", "summary": "2084444", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2084444" }, { "category": "external", "summary": "2092427", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2092427" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2022/rhsa-2022_5439.json" } ], "title": "Red Hat Security Advisory: RHV-H security update (redhat-virtualization-host) 4.3.23", "tracking": { "current_release_date": "2024-11-15T14:54:23+00:00", "generator": { "date": "2024-11-15T14:54:23+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2022:5439", "initial_release_date": "2022-07-01T00:52:04+00:00", "revision_history": [ { "date": "2022-07-01T00:52:04+00:00", "number": "1", "summary": "Initial 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"product_reference": "redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "relates_to_product_reference": "7Server-RHEV-4-Hypervisor-7" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-release-virtualization-host-0:4.3.23-1.el7ev.src as a component of RHEL 7-based RHEV-H for RHEV 4 (build requirements)", "product_id": "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.src" }, "product_reference": "redhat-release-virtualization-host-0:4.3.23-1.el7ev.src", "relates_to_product_reference": "7Server-RHEV-4-HypervisorBuild-7" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64 as a component of RHEL 7-based RHEV-H for RHEV 4 (build requirements)", "product_id": "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64" }, "product_reference": 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"redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "relates_to_product_reference": "7Server-RHEV-4-HypervisorBuild-7" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch as a component of RHEL 7-based RHEV-H for RHEV 4 (build requirements)", "product_id": "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch" }, "product_reference": "redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch", "relates_to_product_reference": "7Server-RHEV-4-HypervisorBuild-7" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-virtualization-host-productimg-0:4.3.23-1.el7.src as a component of RHEL 7-based RHEV-H for RHEV 4 (build requirements)", "product_id": "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.src" }, "product_reference": "redhat-virtualization-host-productimg-0:4.3.23-1.el7.src", "relates_to_product_reference": "7Server-RHEV-4-HypervisorBuild-7" }, { "category": "default_component_of", "full_product_name": { "name": "redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64 as a component of RHEL 7-based RHEV-H for RHEV 4 (build requirements)", "product_id": "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64" }, "product_reference": "redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64", "relates_to_product_reference": "7Server-RHEV-4-HypervisorBuild-7" } ] }, "vulnerabilities": [ { "cve": "CVE-2018-25032", "cwe": { "id": "CWE-119", "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer" }, "discovery_date": "2022-03-24T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2067945" } ], "notes": [ { "category": "description", "text": "An out-of-bounds access flaw was found in zlib, which allows memory corruption when deflating (ex: when compressing) if the input has many distant matches. For some rare inputs with a large number of distant matches (crafted payloads), the buffer into which the compressed or deflated data is written can overwrite the distance symbol table which it overlays. This issue results in corrupted output due to invalid distances, which leads to out-of-bound access, corrupting the memory and potentially crashing the application.", "title": "Vulnerability description" }, { "category": "summary", "text": "zlib: A flaw found in zlib when compressing (not decompressing) certain inputs", "title": "Vulnerability summary" }, { "category": "other", "text": "This bug was introduced in zlib v1.2.2.2 through zlib v1.2.11, with the addition of the Z_FIXED option, which forces the use of fixed Huffman codes, rather than dynamic Huffman codes, allowing for a simpler decoder for special applications.\n\nThis bug is difficult to trigger, as Z_FIXED is usually only used in special circumstances.\n\nRsync does the compression in-transit using zlib. As rsync uses vulnerable zlib v1.2.8 package, which incorrectly handles memory when performing certain zlib compressing or deflating operations. This results in rsync to crash.\n\nNote - The issue wasn\u0027t publicly labelled as security vulnerability until 2022, but the fix was public since 2018.", "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-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ], "known_not_affected": [ "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2018-25032" }, { "category": "external", "summary": "RHBZ#2067945", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2067945" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-25032", "url": "https://www.cve.org/CVERecord?id=CVE-2018-25032" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-25032", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-25032" } ], "release_date": "2018-04-20T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2022-07-01T00:52:04+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": [ "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2022:5439" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1" }, "products": [ "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "zlib: A flaw found in zlib when compressing (not decompressing) certain inputs" }, { "cve": "CVE-2022-1271", "cwe": { "id": "CWE-1173", "name": "Improper Use of Validation Framework" }, "discovery_date": "2022-04-08T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2073310" } ], "notes": [ { "category": "description", "text": "An arbitrary file write vulnerability was found in GNU gzip\u0027s zgrep utility. When zgrep is applied on the attacker\u0027s chosen file name (for example, a crafted file name), this can overwrite an attacker\u0027s content to an arbitrary attacker-selected file. This flaw occurs due to insufficient validation when processing filenames with two or more newlines where selected content and the target file names are embedded in crafted multi-line file names. This flaw allows a remote, low privileged attacker to force zgrep to write arbitrary files on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "gzip: arbitrary-file-write vulnerability", "title": "Vulnerability summary" }, { "category": "other", "text": "This bug was introduced in gzip-1.3.10 and is relatively hard to exploit.\n\nRed Hat Enterprise Linux 6 was affected but Out of Support Cycle because gzip was not listed in Red Hat Enterprise Linux 6 ELS Inclusion List.\nhttps://access.redhat.com/articles/4997301", "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-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ], "known_not_affected": [ "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2022-1271" }, { "category": "external", "summary": "RHBZ#2073310", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2073310" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2022-1271", "url": "https://www.cve.org/CVERecord?id=CVE-2022-1271" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-1271", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-1271" } ], "release_date": "2022-04-07T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2022-07-01T00:52:04+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": [ "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2022:5439" }, { "category": "workaround", "details": "Red Hat has investigated whether possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.", "product_ids": [ "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "gzip: arbitrary-file-write vulnerability" }, { "cve": "CVE-2022-1966", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "discovery_date": "2022-06-03T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2093146" } ], "notes": [ { "category": "description", "text": "No description is available for this CVE.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: netfilter: nf_tables: incorrect NFT_STATEFUL_EXPR check leads to a use-after-free (write)", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security does not consider this to be a vulnerability.", "title": "Statement" } ], "product_status": { "fixed": [ "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ], "known_not_affected": [ "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2022-1966" }, { "category": "external", "summary": "RHBZ#2093146", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2093146" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2022-1966", "url": "https://www.cve.org/CVERecord?id=CVE-2022-1966" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-1966", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-1966" } ], "release_date": "2022-06-02T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2022-07-01T00:52:04+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": [ "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2022:5439" } ], "title": "kernel: netfilter: nf_tables: incorrect NFT_STATEFUL_EXPR check leads to a use-after-free (write)" }, { "acknowledgments": [ { "names": [ "Pieter Agten" ], "organization": "Fortanix" } ], "cve": "CVE-2022-24903", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "discovery_date": "2022-05-03T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2081353" } ], "notes": [ { "category": "description", "text": "A flaw was found in rsyslog\u0027s reception TCP modules. This flaw allows an attacker to craft a malicious message leading to a heap-based buffer overflow. This issue allows the attacker to corrupt or access data stored in memory, leading to a denial of service in the rsyslog or possible remote code execution.", "title": "Vulnerability description" }, { "category": "summary", "text": "rsyslog: Heap-based overflow in TCP syslog server", "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-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ], "known_not_affected": [ "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2022-24903" }, { "category": "external", "summary": "RHBZ#2081353", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2081353" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2022-24903", "url": "https://www.cve.org/CVERecord?id=CVE-2022-24903" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-24903", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-24903" }, { "category": "external", "summary": "https://github.com/rsyslog/rsyslog/security/advisories/GHSA-ggw7-xr6h-mmr8", "url": "https://github.com/rsyslog/rsyslog/security/advisories/GHSA-ggw7-xr6h-mmr8" } ], "release_date": "2022-05-05T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2022-07-01T00:52:04+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": [ "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2022:5439" } ], "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": [ "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "rsyslog: Heap-based overflow in TCP syslog server" }, { "cve": "CVE-2022-32250", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "discovery_date": "2022-05-27T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2092427" } ], "notes": [ { "category": "description", "text": "A use-after-free vulnerability was found in the Linux kernel\u0027s Netfilter subsystem in net/netfilter/nf_tables_api.c. This flaw allows a local attacker with user access to cause a privilege escalation issue.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root", "title": "Vulnerability summary" }, { "category": "other", "text": "The latest kernel in RHCOS is kernel-4.18.0-305.49.1.el8 which does not contain the vulnerable code and is not affected, also OCP v4.9 or earlier 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": [ "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ], "known_not_affected": [ "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2022-32250" }, { "category": "external", "summary": "RHBZ#2092427", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2092427" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2022-32250", "url": "https://www.cve.org/CVERecord?id=CVE-2022-32250" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-32250", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-32250" }, { "category": "external", "summary": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/net/netfilter?id=520778042ccca019f3ffa136dd0ca565c486cedd", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/net/netfilter?id=520778042ccca019f3ffa136dd0ca565c486cedd" }, { "category": "external", "summary": "https://www.openwall.com/lists/oss-security/2022/05/31/1", "url": "https://www.openwall.com/lists/oss-security/2022/05/31/1" } ], "release_date": "2022-05-31T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2022-07-01T00:52:04+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": [ "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2022:5439" }, { "category": "workaround", "details": "In order to trigger the issue, it requires the ability to create user/net namespaces.\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.", "product_ids": [ "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.23-1.el7ev.x86_64", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.23-1.el7ev.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-productimg-0:4.3.23-1.el7.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": [ "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-0:4.3.23-20220622.0.el7_9.src", "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-0:4.3.23-20220622.0.el7_9.noarch" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root" } ] }
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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.