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{"id": "UBUNTU_USN-5535-1.NASL", "vendorId": null, "type": "nessus", "bulletinFamily": "scanner", "title": "Ubuntu 16.04 ESM : Intel Microcode vulnerabilities (USN-5535-1)", "description": "The remote Ubuntu 16.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5535-1 advisory.\n\n - Insufficient control flow management in some Intel(R) Processors may allow an authenticated user to potentially enable a denial of service via local access. (CVE-2021-0127)\n\n - Improper initialization of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2021-0145)\n\n - Hardware allows activation of test or debug logic at runtime for some Intel(R) processors which may allow an unauthenticated user to potentially enable escalation of privilege via physical access. (CVE-2021-0146)\n\n - Improper access control for some 3rd Generation Intel(R) Xeon(R) Scalable Processors before BIOS version MR7, may allow a local attacker to potentially enable information disclosure via local access.\n (CVE-2021-33117)\n\n - Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R) Processors may allow authenticated user to potentially enable information disclosure or cause denial of service via network access. (CVE-2021-33120)\n\n - Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2022-21123)\n\n - Incomplete cleanup of microarchitectural fill buffers on some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2022-21125)\n\n - Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2022-21127)\n\n - Processor optimization removal or modification of security-critical code for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.\n (CVE-2022-21151)\n\n - Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2022-21166)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "published": "2022-07-28T00:00:00", "modified": "2023-01-17T00:00:00", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:N/A:P"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.5}, "severity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "PHYSICAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM"}, "exploitabilityScore": 0.9, "impactScore": 5.9}, "href": "https://www.tenable.com/plugins/nessus/163520", "reporter": "Ubuntu Security Notice (C) 2022-2023 Canonical, Inc. / NASL script (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.", "references": ["http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21125", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0146", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21123", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21151", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0145", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21166", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0127", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33117", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21127", "https://ubuntu.com/security/notices/USN-5535-1", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33120"], "cvelist": ["CVE-2021-0127", "CVE-2021-0145", "CVE-2021-0146", "CVE-2021-33117", "CVE-2021-33120", "CVE-2022-21123", "CVE-2022-21125", "CVE-2022-21127", "CVE-2022-21151", "CVE-2022-21166"], "immutableFields": [], "lastseen": "2023-01-19T08:40:10", "viewCount": 10, "enchantments": {"score": {"value": -0.5, "vector": "NONE"}, "dependencies": {"references": [{"type": "almalinux", "idList": ["ALBA-2022:1545", "ALSA-2022:6460"]}, {"type": "alpinelinux", "idList": ["ALPINE:CVE-2022-21127"]}, {"type": "amazon", "idList": ["ALAS-2022-1606", "ALAS2-2022-1762", "ALAS2-2022-1800", "ALAS2-2022-1813"]}, {"type": "centos", "idList": ["CESA-2022:5937"]}, {"type": "citrix", "idList": ["CTX337526", "CTX460064"]}, {"type": "cloudfoundry", "idList": ["CFOUNDRY:A03F5AC2013ED260DC64C02E99816F92"]}, {"type": "cve", "idList": 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Ubuntu Security Notice USN-5535-1. The text\n# itself is copyright (C) Canonical, Inc. See\n# <https://ubuntu.com/security/notices>. 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(CVE-2021-0127)\n\n - Improper initialization of shared resources in some Intel(R) Processors may allow an authenticated user to\n potentially enable information disclosure via local access. (CVE-2021-0145)\n\n - Hardware allows activation of test or debug logic at runtime for some Intel(R) processors which may allow\n an unauthenticated user to potentially enable escalation of privilege via physical access. (CVE-2021-0146)\n\n - Improper access control for some 3rd Generation Intel(R) Xeon(R) Scalable Processors before BIOS version\n MR7, may allow a local attacker to potentially enable information disclosure via local access.\n (CVE-2021-33117)\n\n - Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R)\n Processors may allow authenticated user to potentially enable information disclosure or cause denial of\n service via network access. (CVE-2021-33120)\n\n - Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated\n user to potentially enable information disclosure via local access. (CVE-2022-21123)\n\n - Incomplete cleanup of microarchitectural fill buffers on some Intel(R) Processors may allow an\n authenticated user to potentially enable information disclosure via local access. (CVE-2022-21125)\n\n - Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an\n authenticated user to potentially enable information disclosure via local access. (CVE-2022-21127)\n\n - Processor optimization removal or modification of security-critical code for some Intel(R) Processors may\n allow an authenticated user to potentially enable information disclosure via local access.\n (CVE-2022-21151)\n\n - Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an\n authenticated user to potentially enable information disclosure via local access. (CVE-2022-21166)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version\nnumber.\");\n script_set_attribute(attribute:\"see_also\", value:\"https://ubuntu.com/security/notices/USN-5535-1\");\n script_set_attribute(attribute:\"solution\", value:\n\"Update the affected intel-microcode package.\");\n script_set_cvss_base_vector(\"CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:P\");\n script_set_cvss_temporal_vector(\"CVSS2#E:U/RL:OF/RC:C\");\n script_set_cvss3_base_vector(\"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\");\n script_set_cvss3_temporal_vector(\"CVSS:3.0/E:U/RL:O/RC:C\");\n script_set_attribute(attribute:\"cvss_score_source\", value:\"CVE-2021-33120\");\n script_set_attribute(attribute:\"cvss3_score_source\", value:\"CVE-2021-0146\");\n\n script_set_attribute(attribute:\"exploitability_ease\", value:\"No known exploits are available\");\n script_set_attribute(attribute:\"exploit_available\", value:\"false\");\n\n script_set_attribute(attribute:\"vuln_publication_date\", value:\"2021/11/17\");\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2022/07/28\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2022/07/28\");\n\n script_set_attribute(attribute:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:canonical:ubuntu_linux:16.04:-:esm\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:canonical:ubuntu_linux:intel-microcode\");\n script_end_attributes();\n\n script_category(ACT_GATHER_INFO);\n script_family(english:\"Ubuntu Local Security Checks\");\n\n script_copyright(english:\"Ubuntu Security Notice (C) 2022-2023 Canonical, Inc. / NASL script (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n\n script_dependencies(\"ssh_get_info.nasl\");\n script_require_keys(\"Host/cpu\", \"Host/Ubuntu\", \"Host/Ubuntu/release\", \"Host/Debian/dpkg-l\");\n\n exit(0);\n}\n\ninclude('debian_package.inc');\n\nif ( ! get_kb_item('Host/local_checks_enabled') ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);\nvar release = get_kb_item('Host/Ubuntu/release');\nif ( isnull(release) ) audit(AUDIT_OS_NOT, 'Ubuntu');\nvar release = chomp(release);\nif (! preg(pattern:\"^(16\\.04)$\", string:release)) audit(AUDIT_OS_NOT, 'Ubuntu 16.04', 'Ubuntu ' + release);\nif ( ! get_kb_item('Host/Debian/dpkg-l') ) audit(AUDIT_PACKAGE_LIST_MISSING);\n\nvar cpu = get_kb_item('Host/cpu');\nif (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);\nif ('x86_64' >!< cpu && cpu !~ \"^i[3-6]86$\" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Ubuntu', cpu);\n\nvar pkgs = [\n {'osver': '16.04', 'pkgname': 'intel-microcode', 'pkgver': '3.20220510.0ubuntu0.16.04.1+esm1'}\n];\n\nvar flag = 0;\nforeach package_array ( pkgs ) {\n var osver = NULL;\n var pkgname = NULL;\n var pkgver = NULL;\n if (!empty_or_null(package_array['osver'])) osver = package_array['osver'];\n if (!empty_or_null(package_array['pkgname'])) pkgname = package_array['pkgname'];\n if (!empty_or_null(package_array['pkgver'])) pkgver = package_array['pkgver'];\n if (osver && pkgname && pkgver) {\n if (ubuntu_check(osver:osver, pkgname:pkgname, pkgver:pkgver)) flag++;\n }\n}\n\nif (flag)\n{\n security_report_v4(\n port : 0,\n severity : SECURITY_WARNING,\n extra : ubuntu_report_get()\n );\n exit(0);\n}\nelse\n{\n var tested = ubuntu_pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'intel-microcode');\n}\n", "naslFamily": "Ubuntu Local Security Checks", "cpe": ["cpe:/o:canonical:ubuntu_linux:16.04:-:esm", "p-cpe:/a:canonical:ubuntu_linux:intel-microcode"], "solution": "Update the affected intel-microcode package.", "nessusSeverity": "Medium", "cvssScoreSource": "CVE-2021-33120", "vendor_cvss2": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:N/A:P"}, "vendor_cvss3": {"score": 6.8, "vector": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}, "vpr": {"risk factor": "Medium", "score": "6.7"}, "exploitAvailable": false, "exploitEase": "No known exploits are available", "patchPublicationDate": "2022-07-28T00:00:00", "vulnerabilityPublicationDate": "2021-11-17T00:00:00", "exploitableWith": []}

{"ubuntu": [{"lastseen": "2023-01-26T15:10:25", "description": "## Releases\n\n * Ubuntu 16.04 ESM\n\n## Packages\n\n * intel-microcode \\- Processor microcode for Intel CPUs\n\nJoseph Nuzman discovered that some Intel processors did not properly \ninitialise shared resources. A local attacker could use this to obtain \nsensitive information. (CVE-2021-0145)\n\nMark Ermolov, Dmitry Sklyarov and Maxim Goryachy discovered that some Intel \nprocessors did not prevent test and debug logic from being activated at \nruntime. A local attacker could use this to escalate \nprivileges. (CVE-2021-0146)\n\nIt was discovered that some Intel processors did not implement sufficient \ncontrol flow management. A local attacker could use this to cause a denial \nof service (system crash). (CVE-2021-0127)\n\nIt was discovered that some Intel processors did not completely perform \ncleanup actions on multi-core shared buffers. A local attacker could \npossibly use this to expose sensitive information. (CVE-2022-21123, \nCVE-2022-21127)\n\nIt was discovered that some Intel processors did not completely perform \ncleanup actions on microarchitectural fill buffers. A local attacker could \npossibly use this to expose sensitive information. (CVE-2022-21125)\n\nAlysa Milburn, Jason Brandt, Avishai Redelman and Nir Lavi discovered that \nsome Intel processors improperly optimised security-critical code. A local \nattacker could possibly use this to expose sensitive \ninformation. (CVE-2022-21151)\n\nIt was discovered that some Intel processors did not properly perform \ncleanup during specific special register write operations. A local attacker \ncould possibly use this to expose sensitive information. (CVE-2022-21166)\n\nIt was discovered that some Intel processors did not properly restrict \naccess in some situations. A local attacker could use this to obtain \nsensitive information. (CVE-2021-33117)\n\nBrandon Miller discovered that some Intel processors did not properly \nrestrict access in some situations. A local attacker could use this to \nobtain sensitive information or a remote attacker could use this to \ncause a denial of service (system crash). (CVE-2021-33120)\n", "cvss3": {"exploitabilityScore": 0.9, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 6.8, "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-07-28T00:00:00", "type": "ubuntu", "title": "Intel Microcode vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-0127", "CVE-2021-0145", "CVE-2021-0146", "CVE-2021-33117", "CVE-2021-33120", "CVE-2022-21123", "CVE-2022-21125", "CVE-2022-21127", "CVE-2022-21151", "CVE-2022-21166"], "modified": "2022-07-28T00:00:00", "id": "USN-5535-1", "href": "https://ubuntu.com/security/notices/USN-5535-1", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:N/A:P"}}, {"lastseen": "2023-01-26T15:11:33", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n * Ubuntu 21.10 \n * Ubuntu 20.04 LTS\n * Ubuntu 18.04 LTS\n\n## Packages\n\n * intel-microcode \\- Processor microcode for Intel CPUs\n\nIt was discovered that some Intel processors did not implement sufficient \ncontrol flow management. A local attacker could use this to cause a denial \nof service. (CVE-2021-0127)\n\nJoseph Nuzman discovered that some Intel processors did not properly \ninitialise shared resources. A local attacker could use this to obtain \nsensitive information. (CVE-2021-0145)\n\nMark Ermolov, Dmitry Sklyarov and Maxim Goryachy discovered that some Intel \nprocessors did not prevent test and debug logic from being activated at \nruntime. A local attacker could use this to escalate \nprivileges. (CVE-2021-0146)\n\nIt was discovered that some Intel processors did not properly restrict \naccess in some situations. A local attacker could use this to obtain \nsensitive information. (CVE-2021-33117)\n\nBrandon Miller discovered that some Intel processors did not properly \nrestrict access in some situations. A local attacker could use this to \nobtain sensitive information or a remote attacker could use this to cause a \ndenial of service. (CVE-2021-33120)\n\nIt was discovered that some Intel processors did not completely perform \ncleanup actions on multi-core shared buffers. A local attacker could \npossibly use this to expose sensitive information. (CVE-2022-21123, \nCVE-2022-21127)\n\nAlysa Milburn, Jason Brandt, Avishai Redelman and Nir Lavi discovered that \nsome Intel processors improperly optimised security-critical code. A local \nattacker could possibly use this to expose sensitive \ninformation. (CVE-2022-21151)\n\nIt was discovered that some Intel processors did not properly perform \ncleanup during specific special register write operations. A local attacker \ncould possibly use this to expose sensitive information. (CVE-2022-21166)\n", "cvss3": {"exploitabilityScore": 0.9, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 6.8, "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-06-20T00:00:00", "type": "ubuntu", "title": "Intel Microcode vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-0127", "CVE-2021-0145", "CVE-2021-0146", "CVE-2021-33117", "CVE-2021-33120", "CVE-2022-21123", "CVE-2022-21127", "CVE-2022-21151", "CVE-2022-21166"], "modified": "2022-06-20T00:00:00", "id": "USN-5486-1", "href": "https://ubuntu.com/security/notices/USN-5486-1", "cvss": {"score": 5.5, "vector": "AV:N/AC:L/Au:S/C:P/I:N/A:P"}}, {"lastseen": "2023-01-26T15:11:19", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n\n## Packages\n\n * linux-oem-5.14 \\- Linux kernel for OEM systems\n\nIt was discovered that some Intel processors did not completely perform \ncleanup actions on multi-core shared buffers. A local attacker could \npossibly use this to expose sensitive information. (CVE-2022-21123)\n\nIt was discovered that some Intel processors did not completely perform \ncleanup actions on microarchitectural fill buffers. A local attacker could \npossibly use this to expose sensitive information. (CVE-2022-21125)\n\nIt was discovered that some Intel processors did not properly perform \ncleanup during specific special register write operations. A local attacker \ncould possibly use this to expose sensitive information. (CVE-2022-21166)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-07-01T00:00:00", "type": "ubuntu", "title": "Linux kernel (OEM) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-21123", "CVE-2022-21125", "CVE-2022-21166"], "modified": "2022-07-01T00:00:00", "id": "USN-5485-2", "href": "https://ubuntu.com/security/notices/USN-5485-2", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-01-26T15:11:33", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n * Ubuntu 21.10 \n * Ubuntu 20.04 LTS\n * Ubuntu 18.04 LTS\n * Ubuntu 16.04 ESM\n * Ubuntu 14.04 ESM\n\n## Packages\n\n * linux \\- Linux kernel\n * linux-aws \\- Linux kernel for Amazon Web Services (AWS) systems\n * linux-aws-5.13 \\- Linux kernel for Amazon Web Services (AWS) systems\n * linux-aws-5.4 \\- Linux kernel for Amazon Web Services (AWS) systems\n * linux-aws-hwe \\- Linux kernel for Amazon Web Services (AWS-HWE) systems\n * linux-azure \\- Linux kernel for Microsoft Azure Cloud systems\n * linux-azure-4.15 \\- Linux kernel for Microsoft Azure Cloud systems\n * linux-azure-5.13 \\- Linux kernel for Microsoft Azure cloud systems\n * linux-azure-5.4 \\- Linux kernel for Microsoft Azure cloud systems\n * linux-azure-fde \\- Linux kernel for Microsoft Azure cloud systems\n * linux-dell300x \\- Linux kernel for Dell 300x platforms\n * linux-gcp \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-gcp-4.15 \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-gcp-5.13 \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-gcp-5.4 \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-gke \\- Linux kernel for Google Container Engine (GKE) systems\n * linux-gke-5.4 \\- Linux kernel for Google Container Engine (GKE) systems\n * linux-gkeop \\- Linux kernel for Google Container Engine (GKE) systems\n * linux-gkeop-5.4 \\- Linux kernel for Google Container Engine (GKE) systems\n * linux-hwe \\- Linux hardware enablement (HWE) kernel\n * linux-hwe-5.13 \\- Linux hardware enablement (HWE) kernel\n * linux-hwe-5.4 \\- Linux hardware enablement (HWE) kernel\n * linux-ibm \\- Linux kernel for IBM cloud systems\n * linux-ibm-5.4 \\- Linux kernel for IBM cloud systems\n * linux-intel-5.13 \\- Linux kernel for Intel IOTG\n * linux-intel-iotg \\- Linux kernel for Intel IoT platforms\n * linux-kvm \\- Linux kernel for cloud environments\n * linux-lowlatency \\- Linux low latency kernel\n * linux-oracle \\- Linux kernel for Oracle Cloud systems\n * linux-oracle-5.13 \\- Linux kernel for Oracle Cloud systems\n * linux-oracle-5.4 \\- Linux kernel for Oracle Cloud systems\n\nIt was discovered that some Intel processors did not completely perform \ncleanup actions on multi-core shared buffers. A local attacker could \npossibly use this to expose sensitive information. (CVE-2022-21123)\n\nIt was discovered that some Intel processors did not completely perform \ncleanup actions on microarchitectural fill buffers. A local attacker could \npossibly use this to expose sensitive information. (CVE-2022-21125)\n\nIt was discovered that some Intel processors did not properly perform \ncleanup during specific special register write operations. A local attacker \ncould possibly use this to expose sensitive information. (CVE-2022-21166)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-06-17T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-21123", "CVE-2022-21125", "CVE-2022-21166"], "modified": "2022-06-17T00:00:00", "id": "USN-5485-1", "href": "https://ubuntu.com/security/notices/USN-5485-1", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-01-26T15:11:34", "description": "## Releases\n\n * Ubuntu 14.04 ESM\n\n## Packages\n\n * linux \\- Linux kernel\n\nIt was discovered that the Linux kernel did not properly restrict access to \nthe kernel debugger when booted in secure boot environments. A privileged \nattacker could use this to bypass UEFI Secure Boot restrictions. \n(CVE-2022-21499)\n\nIt was discovered that a race condition existed in the network scheduling \nsubsystem of the Linux kernel, leading to a use-after-free vulnerability. A \nlocal attacker could use this to cause a denial of service (system crash) \nor possibly execute arbitrary code. (CVE-2021-39713)\n\nIt was discovered that some Intel processors did not completely perform \ncleanup actions on multi-core shared buffers. A local attacker could \npossibly use this to expose sensitive information. (CVE-2022-21123)\n\nIt was discovered that some Intel processors did not completely perform \ncleanup actions on microarchitectural fill buffers. A local attacker could \npossibly use this to expose sensitive information. (CVE-2022-21125)\n\nIt was discovered that some Intel processors did not properly perform \ncleanup during specific special register write operations. A local attacker \ncould possibly use this to expose sensitive information. (CVE-2022-21166)\n", "cvss3": {"exploitabilityScore": 1.0, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.0, "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-06-16T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.4, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 6.9, "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-39713", "CVE-2022-21123", "CVE-2022-21125", "CVE-2022-21166", "CVE-2022-21499"], "modified": "2022-06-16T00:00:00", "id": "USN-5484-1", "href": "https://ubuntu.com/security/notices/USN-5484-1", "cvss": {"score": 6.9, "vector": "AV:L/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-01-26T15:10:34", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux-oem-5.17 \\- Linux kernel for OEM systems\n\nIt was discovered that the Atheros ath9k wireless device driver in the \nLinux kernel did not properly handle some error conditions, leading to a \nuse-after-free vulnerability. A local attacker could use this to cause a \ndenial of service (system crash) or possibly execute arbitrary code. \n(CVE-2022-1679)\n\nYongkang Jia discovered that the KVM hypervisor implementation in the Linux \nkernel did not properly handle guest TLB mapping invalidation requests in \nsome situations. An attacker in a guest VM could use this to cause a denial \nof service (system crash) in the host OS. (CVE-2022-1789)\n\nQiuhao Li, Gaoning Pan, and Yongkang Jia discovered that the KVM hypervisor \nimplementation in the Linux kernel did not properly handle an illegal \ninstruction in a guest, resulting in a null pointer dereference. An \nattacker in a guest VM could use this to cause a denial of service (system \ncrash) in the host OS. (CVE-2022-1852)\n\nGerald Lee discovered that the NTFS file system implementation in the Linux \nkernel did not properly handle certain error conditions, leading to a use- \nafter-free vulnerability. A local attacker could use this to cause a denial \nof service (system crash) or possibly expose sensitive information. \n(CVE-2022-1973)\n\nIt was discovered that the netfilter subsystem in the Linux kernel \ncontained a buffer overflow in certain situations. A local attacker could \nuse this to cause a denial of service (system crash) or possibly execute \narbitrary code. (CVE-2022-2078)\n\nIt was discovered that some Intel processors did not completely perform \ncleanup actions on multi-core shared buffers. A local attacker could \npossibly use this to expose sensitive information. (CVE-2022-21123)\n\nIt was discovered that some Intel processors did not completely perform \ncleanup actions on microarchitectural fill buffers. A local attacker could \npossibly use this to expose sensitive information. (CVE-2022-21125)\n\nIt was discovered that some Intel processors did not properly perform \ncleanup during specific special register write operations. A local attacker \ncould possibly use this to expose sensitive information. (CVE-2022-21166)\n\nIt was discovered that the virtio RPMSG bus driver in the Linux kernel \ncontained a double-free vulnerability in certain error conditions. A local \nattacker could possibly use this to cause a denial of service (system \ncrash). (CVE-2022-34494, CVE-2022-34495)\n\nMinh Yuan discovered that the floppy disk driver in the Linux kernel \ncontained a race condition, leading to a use-after-free vulnerability. A \nlocal attacker could possibly use this to cause a denial of service (system \ncrash) or execute arbitrary code. 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