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cve-2020-11669
Vulnerability from cvelistv5
Published
2020-04-10 14:40
Modified
2024-08-04 11:35
Severity ?
EPSS score ?
Summary
An issue was discovered in the Linux kernel before 5.2 on the powerpc platform. arch/powerpc/kernel/idle_book3s.S does not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR, aka CID-53a712bae5dd.
References
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"https://usn.ubuntu.com/4363-1/" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-11669", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "An issue was discovered in the Linux kernel before 5.2 on the powerpc platform. arch/powerpc/kernel/idle_book3s.S does not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR, aka CID-53a712bae5dd." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "RHSA-2019:3517", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2019:3517" }, { "name": 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gsd-2020-11669
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
An issue was discovered in the Linux kernel before 5.2 on the powerpc platform. arch/powerpc/kernel/idle_book3s.S does not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR, aka CID-53a712bae5dd.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2020-11669", "description": "An issue was discovered in the Linux kernel before 5.2 on the powerpc platform. arch/powerpc/kernel/idle_book3s.S does not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR, aka CID-53a712bae5dd.", "id": "GSD-2020-11669", "references": [ "https://www.suse.com/security/cve/CVE-2020-11669.html", "https://access.redhat.com/errata/RHSA-2021:1379", "https://ubuntu.com/security/CVE-2020-11669" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2020-11669" ], "details": "An issue was discovered in the Linux kernel before 5.2 on the powerpc platform. arch/powerpc/kernel/idle_book3s.S does not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR, aka CID-53a712bae5dd.", "id": "GSD-2020-11669", "modified": "2023-12-13T01:22:07.624429Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-11669", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "An issue was discovered in the Linux kernel before 5.2 on the powerpc platform. arch/powerpc/kernel/idle_book3s.S does not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR, aka CID-53a712bae5dd." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "RHSA-2019:3517", "refsource": "REDHAT", "url": 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"vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-11669" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "An issue was discovered in the Linux kernel before 5.2 on the powerpc platform. arch/powerpc/kernel/idle_book3s.S does not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR, aka CID-53a712bae5dd." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ] }, "references": { "reference_data": [ { "name": 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"https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208660.html" }, { "name": "https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208661.html", "refsource": "MISC", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ], "url": "https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208661.html" }, { "name": "RHSA-2019:3517", "refsource": "REDHAT", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:3517" }, { "name": "https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208663.html", "refsource": "MISC", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ], "url": "https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208663.html" }, { "name": "openSUSE-SU-2020:0543", "refsource": "SUSE", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html" }, { "name": "https://security.netapp.com/advisory/ntap-20200430-0001/", "refsource": "CONFIRM", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ], "url": "https://security.netapp.com/advisory/ntap-20200430-0001/" }, { "name": "USN-4368-1", "refsource": "UBUNTU", "tags": [], "url": "https://usn.ubuntu.com/4368-1/" }, { "name": "USN-4363-1", "refsource": "UBUNTU", "tags": [], "url": "https://usn.ubuntu.com/4363-1/" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "LOW", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } }, "lastModifiedDate": "2020-05-28T15:15Z", "publishedDate": "2020-04-10T15:15Z" } } }
ghsa-j84w-6r3r-7jvc
Vulnerability from github
Published
2022-05-24 17:13
Modified
2022-05-24 17:13
Details
An issue was discovered in the Linux kernel before 5.2 on the powerpc platform. arch/powerpc/kernel/idle_book3s.S does not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR, aka CID-53a712bae5dd.
{ "affected": [], "aliases": [ "CVE-2020-11669" ], "database_specific": { "cwe_ids": [], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2020-04-10T15:15:00Z", "severity": "MODERATE" }, "details": "An issue was discovered in the Linux kernel before 5.2 on the powerpc platform. arch/powerpc/kernel/idle_book3s.S does not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR, aka CID-53a712bae5dd.", "id": "GHSA-j84w-6r3r-7jvc", "modified": "2022-05-24T17:13:59Z", "published": "2022-05-24T17:13:59Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11669" }, { "type": "WEB", "url": "https://github.com/torvalds/linux/commit/53a712bae5dd919521a58d7bad773b949358add0" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2019:3517" }, { "type": "WEB", "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2" }, { "type": "WEB", "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=53a712bae5dd919521a58d7bad773b949358add0" }, { "type": "WEB", "url": "https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208660.html" }, { "type": "WEB", "url": "https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208661.html" }, { "type": "WEB", "url": "https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-April/208663.html" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20200430-0001" }, { "type": "WEB", "url": "https://usn.ubuntu.com/4363-1" }, { "type": "WEB", "url": "https://usn.ubuntu.com/4368-1" }, { "type": "WEB", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2020/04/15/1" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2020/04/15/2" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2020/04/16/2" } ], "schema_version": "1.4.0", "severity": [] }
rhsa-2021_1379
Vulnerability from csaf_redhat
Published
2021-04-27 07:25
Modified
2024-11-22 16:40
Summary
Red Hat Security Advisory: kernel-alt security and bug fix update
Notes
Topic
An update for kernel-alt 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-alt packages provide the Linux kernel version 4.x.
Security Fix(es):
* kernel: Use after free via PI futex state (CVE-2021-3347)
* kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)
* kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)
* kernel: powerpc: guest can cause DoS on POWER9 KVM hosts (CVE-2020-11669)
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 oops when resizing ext4 filesystem [rhel-alt-7.6.z] (BZ#1790900)
* [ipv6][ipsec]:unregister_netdevice: waiting for lo to become free. Usage count = 4 (BZ#1920805)
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-alt is now available 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 kernel-alt packages provide the Linux kernel version 4.x.\n\nSecurity Fix(es):\n\n* kernel: Use after free via PI futex state (CVE-2021-3347)\n\n* kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)\n\n* kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)\n\n* kernel: powerpc: guest can cause DoS on POWER9 KVM hosts (CVE-2020-11669)\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 oops when resizing ext4 filesystem [rhel-alt-7.6.z] (BZ#1790900)\n\n* [ipv6][ipsec]:unregister_netdevice: waiting for lo to become free. Usage count = 4 (BZ#1920805)", "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-2021:1379", "url": "https://access.redhat.com/errata/RHSA-2021:1379" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1824803", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1824803" }, { "category": "external", "summary": "1922249", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1922249" }, { "category": "external", "summary": "1930078", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1930078" }, { "category": "external", "summary": "1930080", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1930080" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_1379.json" } ], "title": "Red Hat Security Advisory: kernel-alt security and bug fix update", "tracking": { "current_release_date": "2024-11-22T16:40:35+00:00", "generator": { "date": "2024-11-22T16:40:35+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2021:1379", "initial_release_date": "2021-04-27T07:25:25+00:00", "revision_history": [ { "date": "2021-04-27T07:25:25+00:00", "number": "1", "summary": "Initial version" }, { "date": "2021-04-27T07:25:25+00:00", "number": "2", "summary": "Last updated version" }, { "date": 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"7Server-optional-RHELALT-7.6" } ] }, "vulnerabilities": [ { "cve": "CVE-2020-11669", "cwe": { "id": "CWE-393", "name": "Return of Wrong Status Code" }, "discovery_date": "2020-04-10T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.36.1.el7a.noarch", "7Server-RHELALT-7.6:kernel-doc-0:4.14.0-115.36.1.el7a.noarch", "7Server-optional-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.36.1.el7a.noarch", "7Server-optional-RHELALT-7.6:kernel-doc-0:4.14.0-115.36.1.el7a.noarch" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1824803" } ], "notes": [ { "category": "description", "text": "A flaw was found in the way Linux kernel running on the Power9 processor saves and restores its registers while going in and coming out of an idle state. The issue occurs when a guest kernel has Kernel Userspace Address Protection (KUAP) feature enabled. The idle_book3s function does not save and restore the Authority Mask Register (AMR), Authority Mask Override Register (AMOR) and User Authority Mask Override Register (UAMOR). A guest user may use this flaw to render the host system unusable resulting in DoS issue.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: powerpc: guest can cause DoS on POWER9 KVM hosts", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue does not affect the versions of the kernel package as shipped with the Red Hat Enterprise Linux 5, 6, 7, 8 and Red Hat Enterprise MRG 2.", "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-RHELALT-7.6:kernel-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.36.1.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.36.1.el7a.ppc64le", 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"https://access.redhat.com/security/cve/CVE-2020-11669" }, { "category": "external", "summary": "RHBZ#1824803", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1824803" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-11669", "url": "https://www.cve.org/CVERecord?id=CVE-2020-11669" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-11669", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11669" } ], "release_date": "2020-04-10T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-04-27T07:25:25+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/11258\n\nThe system must be rebooted for this update to take effect.", "product_ids": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.36.1.el7a.src", 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"impact", "details": "Moderate" } ], "title": "kernel: powerpc: guest can cause DoS on POWER9 KVM hosts" }, { "cve": "CVE-2021-3347", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "discovery_date": "2021-01-29T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.36.1.el7a.noarch", "7Server-RHELALT-7.6:kernel-doc-0:4.14.0-115.36.1.el7a.noarch", "7Server-optional-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.36.1.el7a.noarch", "7Server-optional-RHELALT-7.6:kernel-doc-0:4.14.0-115.36.1.el7a.noarch" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1922249" } ], "notes": [ { "category": "description", "text": "A flaw was found in the Linux kernel. A use-after-free memory flaw in the Fast Userspace Mutexes functionality allowing a local user to crash the system or escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: Use after free via PI futex state", "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-RHELALT-7.6:kernel-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.36.1.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-devel-0:4.14.0-115.36.1.el7a.ppc64le", 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"7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.36.1.el7a.noarch", "7Server-RHELALT-7.6:kernel-doc-0:4.14.0-115.36.1.el7a.noarch", "7Server-optional-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.36.1.el7a.noarch", "7Server-optional-RHELALT-7.6:kernel-doc-0:4.14.0-115.36.1.el7a.noarch" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1930080" } ], "notes": [ { "category": "description", "text": "A flaw was found in the Linux kernel. An out-of-bounds read was discovered in the libiscsi module that could lead to reading kernel memory or a crash. The highest threat from this vulnerability is to data confidentiality as well as system availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: out-of-bounds read in libiscsi module", "title": "Vulnerability summary" }, { "category": "other", "text": "Red 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-RHELALT-7.6:kernel-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.36.1.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-devel-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debuginfo-common-ppc64le-0:4.14.0-115.36.1.el7a.ppc64le", 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In most circumstances, the libiscsi kernel modules will be unable to be unloaded while any network interfaces are active and the protocol is in use.\n\nIf the system requires iscsi 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": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.36.1.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.36.1.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-devel-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le", 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Buffer Overflow" }, "discovery_date": "2021-02-18T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.36.1.el7a.noarch", "7Server-RHELALT-7.6:kernel-doc-0:4.14.0-115.36.1.el7a.noarch", "7Server-optional-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.36.1.el7a.noarch", "7Server-optional-RHELALT-7.6:kernel-doc-0:4.14.0-115.36.1.el7a.noarch" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1930078" } ], "notes": [ { "category": "description", "text": "A flaw was found in the Linux kernel. A heap buffer overflow in the iSCSI subsystem is triggered by setting an iSCSI string attribute to a value larger than one page and then trying to read it. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: heap buffer overflow in the iSCSI subsystem", "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-RHELALT-7.6:kernel-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.36.1.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le", 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"summary": "https://www.cve.org/CVERecord?id=CVE-2021-27365", "url": "https://www.cve.org/CVERecord?id=CVE-2021-27365" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-27365", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-27365" }, { "category": "external", "summary": "https://www.openwall.com/lists/oss-security/2021/03/06/1", "url": "https://www.openwall.com/lists/oss-security/2021/03/06/1" } ], "release_date": "2021-03-05T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-04-27T07:25:25+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/11258\n\nThe system must be rebooted for this update to take effect.", "product_ids": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.36.1.el7a.src", 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"7Server-optional-RHELALT-7.6:kernel-headers-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:kernel-tools-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:kernel-tools-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:kernel-tools-libs-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:kernel-tools-libs-devel-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:perf-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:perf-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2021:1379" }, { "category": "workaround", "details": "The LIBISCSI module will be auto-loaded when required, its use can be disabled by preventing the module from loading with the following instructions:\n~~~\n# echo \"install libiscsi /bin/true\" \u003e\u003e /etc/modprobe.d/disable-libiscsi.conf\n~~~\nThe system will need to be restarted if the libiscsi modules are loaded. In most circumstances, the libiscsi kernel modules will be unable to be unloaded while any network interfaces are active and the protocol is in use.\n\nIf the system requires iscsi 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": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.36.1.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.36.1.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-devel-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le", 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"7Server-optional-RHELALT-7.6:kernel-tools-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:kernel-tools-libs-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:kernel-tools-libs-devel-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:perf-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:perf-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-0:4.14.0-115.36.1.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-debuginfo-0:4.14.0-115.36.1.el7a.ppc64le" ] } ], "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": [ 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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.