Microsoft Guidance on Intel Processor MMIO Stale Data Vulnerabilities

2022-06-14T07:00:00

Description

# Executive Summary On June 14, 2022, Intel published information about a class of memory-mapped I/O vulnerabilities known as [Processor MMIO Stale Data Vulnerabilities](<https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html>). An attacker who successfully exploited these vulnerabilities might be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities. These vulnerabilities are known as: * CVE-2022-21123 - Shared Buffer Data Read (SBDR) * CVE-2022-21125 - Shared Buffer Data Sampling (SBDS) * CVE-2022-21127 - Special Register Buffer Data Sampling Update (SRBDS Update) * CVE-2022-21166 - Device Register Partial Write (DRPW) **Important**: These vulnerabilities might affect other operating systems and service providers. We advise customers to seek guidance from their respective vendors. Microsoft has released software updates to help mitigate these vulnerabilities. To get all available protections, firmware (microcode) and software updates are required. Please check with your OEM for microcode updates. In some cases, installing these updates will have a performance impact. We have also acted to secure our cloud services. Microsoft has no information to indicate that these vulnerabilities have been used to attack customers at this time. Microsoft continues working closely with industry partners including chip makers, hardware OEMs, and app vendors to protect customers. # Recommended Actions To protect your system from these vulnerabilities, Microsoft recommends that you take the following actions, and refer to the subsequent sections for links to further information for your specific situation: 1. The best protection is to keep computers up to date. This includes installing OS and microcode updates. * To be fully protected, customers might also need to disable Hyper-Threading (also known as Simultaneous Multi Threading (SMT)). Please see [Knowledge Base Article 4073757](<https://support.microsoft.com/en-us/help/4073757/protect-your-windows-devices-against-spectre-meltdown>) for guidance on protecting Windows devices. * OEMs might also provide additional guidance. Customers using Surface products should see [Microsoft Knowledge Base Article 4073065](<https://support.microsoft.com/en-us/help/4073065/surface-guidance-to-protect-against-speculative-execution-side-channel>). 2. Microsoft recommends that enterprise customers review this advisory in detail and register for the security notifications mailer to be alerted of content changes to this advisory. See [Microsoft Technical Security Notifications](<https://technet.microsoft.com/en-us/security/dd252948>). 3. Verify the status of protections for the various CVEs by running the PowerShell script **Get-SpeculationControlSettings**. For more information and to obtain the PowerShell script see [Understanding Get-SpeculationControlSettings PowerShell script output](<https://support.microsoft.com/en-us/help/4074629/understanding-the-output-of-get-speculationcontrolsettings-powershell>). ## Microsoft Windows client customers Customers using Windows client operating systems need to apply both firmware (microcode) and software updates. See [Microsoft Knowledge Base Article 4073119](<https://support.microsoft.com/help/4073119>) for additional information. Microsoft is making available Intel-validated microcode updates for Windows 10 and 11 operating systems. Please see [Microsoft Knowledge Base Article 4093836](<https://support.microsoft.com/help/4093836>) for the current Intel microcode updates. In addition, customers should check to see if their OEM is providing additional guidance on updates and mitigations. [Surface Support Article 4073065](<https://support.microsoft.com/en-us/help/4073065/surface-guidance-to-protect-against-speculative-execution-side-channel>) provides more information to Surface customers. ## Microsoft Windows Server/Azure Stack HCI customers Customers using Windows server operating systems listed in the Affected Products table need to apply firmware (microcode) and software updates as well as to configure protections. See [Microsoft Knowledge Base Article 4072698](<https://support.microsoft.com/help/4072698>) for additional information, including workarounds. Microsoft Azure has taken steps to address the security vulnerabilities at the hypervisor level to protect Windows Server VMs running in Azure. More information can be found [here](<https://support.microsoft.com/en-us/help/4073235/cloud-protections-speculative-execution-side-channel-vulnerabilities>). ## Microsoft cloud customers Microsoft has already deployed mitigations across our cloud services. More information is available [here](<https://support.microsoft.com/help/4073235>). ## Microsoft SQL Server customers In scenarios running Microsoft SQL Server, customers should follow the guidance outlined in [Microsoft Knowledge Base Article 4073225](<https://support.microsoft.com/help/4073225>). ## Potential performance impacts Specific performance impact varies by hardware generation and implementation by the chip manufacturer. For most consumer devices, impact on performance may not be noticeable. Some customers might have to disable Hyper-Threading (SMT) to fully address the risk from Processor MMIO Stale Data vulnerabilities. In testing Microsoft has seen some performance impact with these mitigations, in particular when hyperthreading is disabled. Microsoft values the security of its software and services and has made the decision to implement certain mitigation strategies in an effort to better secure our products. In some cases, mitigations are not enabled by default to allow users and administrators to evaluate the performance impact and risk exposure before deciding to enable the mitigations. We continue to work with hardware vendors to improve performance while maintaining a high level of security. ## References See the following for further information from Intel: * Intel Security advisory (Intel-SA-00615): <https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html> * Software Security Guidance for developers: <https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html> * [www.intel.com/securityfirst](<www.intel.com/securityfirst>)

{"id": "MS:ADV220002", "vendorId": null, "type": "mscve", "bulletinFamily": "microsoft", "title": "Microsoft Guidance on Intel Processor MMIO Stale Data Vulnerabilities", "description": "# Executive Summary\n\nOn June 14, 2022, Intel published information about a class of memory-mapped I/O vulnerabilities known as [Processor MMIO Stale Data Vulnerabilities](<https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html>).\n\nAn attacker who successfully exploited these vulnerabilities might be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities.\n\nThese vulnerabilities are known as:\n\n * CVE-2022-21123 - Shared Buffer Data Read (SBDR)\n * CVE-2022-21125 - Shared Buffer Data Sampling (SBDS)\n * CVE-2022-21127 - Special Register Buffer Data Sampling Update (SRBDS Update)\n * CVE-2022-21166 - Device Register Partial Write (DRPW)\n\n**Important**: These vulnerabilities might affect other operating systems and service providers. We advise customers to seek guidance from their respective vendors.\n\nMicrosoft has released software updates to help mitigate these vulnerabilities. To get all available protections, firmware (microcode) and software updates are required. Please check with your OEM for microcode updates. In some cases, installing these updates will have a performance impact. We have also acted to secure our cloud services.\n\nMicrosoft has no information to indicate that these vulnerabilities have been used to attack customers at this time. Microsoft continues working closely with industry partners including chip makers, hardware OEMs, and app vendors to protect customers.\n\n# Recommended Actions\n\nTo protect your system from these vulnerabilities, Microsoft recommends that you take the following actions, and refer to the subsequent sections for links to further information for your specific situation:\n\n 1. The best protection is to keep computers up to date. This includes installing OS and microcode updates.\n * To be fully protected, customers might also need to disable Hyper-Threading (also known as Simultaneous Multi Threading (SMT)). Please see [Knowledge Base Article 4073757](<https://support.microsoft.com/en-us/help/4073757/protect-your-windows-devices-against-spectre-meltdown>) for guidance on protecting Windows devices.\n * OEMs might also provide additional guidance. Customers using Surface products should see [Microsoft Knowledge Base Article 4073065](<https://support.microsoft.com/en-us/help/4073065/surface-guidance-to-protect-against-speculative-execution-side-channel>).\n 2. Microsoft recommends that enterprise customers review this advisory in detail and register for the security notifications mailer to be alerted of content changes to this advisory. See [Microsoft Technical Security Notifications](<https://technet.microsoft.com/en-us/security/dd252948>).\n 3. Verify the status of protections for the various CVEs by running the PowerShell script **Get-SpeculationControlSettings**. For more information and to obtain the PowerShell script see [Understanding Get-SpeculationControlSettings PowerShell script output](<https://support.microsoft.com/en-us/help/4074629/understanding-the-output-of-get-speculationcontrolsettings-powershell>).\n\n## Microsoft Windows client customers\n\nCustomers using Windows client operating systems need to apply both firmware (microcode) and software updates. See [Microsoft Knowledge Base Article 4073119](<https://support.microsoft.com/help/4073119>) for additional information. Microsoft is making available Intel-validated microcode updates for Windows 10 and 11 operating systems. Please see [Microsoft Knowledge Base Article 4093836](<https://support.microsoft.com/help/4093836>) for the current Intel microcode updates.\n\nIn addition, customers should check to see if their OEM is providing additional guidance on updates and mitigations. [Surface Support Article 4073065](<https://support.microsoft.com/en-us/help/4073065/surface-guidance-to-protect-against-speculative-execution-side-channel>) provides more information to Surface customers.\n\n## Microsoft Windows Server/Azure Stack HCI customers\n\nCustomers using Windows server operating systems listed in the Affected Products table need to apply firmware (microcode) and software updates as well as to configure protections. See [Microsoft Knowledge Base Article 4072698](<https://support.microsoft.com/help/4072698>) for additional information, including workarounds.\n\nMicrosoft Azure has taken steps to address the security vulnerabilities at the hypervisor level to protect Windows Server VMs running in Azure. More information can be found [here](<https://support.microsoft.com/en-us/help/4073235/cloud-protections-speculative-execution-side-channel-vulnerabilities>).\n\n## Microsoft cloud customers\n\nMicrosoft has already deployed mitigations across our cloud services. More information is available [here](<https://support.microsoft.com/help/4073235>).\n\n## Microsoft SQL Server customers\n\nIn scenarios running Microsoft SQL Server, customers should follow the guidance outlined in [Microsoft Knowledge Base Article 4073225](<https://support.microsoft.com/help/4073225>).\n\n## Potential performance impacts\n\nSpecific performance impact varies by hardware generation and implementation by the chip manufacturer. For most consumer devices, impact on performance may not be noticeable. Some customers might have to disable Hyper-Threading (SMT) to fully address the risk from Processor MMIO Stale Data vulnerabilities. In testing Microsoft has seen some performance impact with these mitigations, in particular when hyperthreading is disabled. Microsoft values the security of its software and services and has made the decision to implement certain mitigation strategies in an effort to better secure our products. In some cases, mitigations are not enabled by default to allow users and administrators to evaluate the performance impact and risk exposure before deciding to enable the mitigations. We continue to work with hardware vendors to improve performance while maintaining a high level of security.\n\n## References\n\nSee the following for further information from Intel:\n\n * Intel Security advisory (Intel-SA-00615): <https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html>\n * Software Security Guidance for developers: <https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html>\n * [www.intel.com/securityfirst](<www.intel.com/securityfirst>)\n", "published": "2022-06-14T07:00:00", "modified": "2022-06-14T07:00:00", "epss": [{"cve": "CVE-2022-21123", "epss": 0.00046, "percentile": 0.12956, "modified": "2023-06-17"}, {"cve": "CVE-2022-21125", "epss": 0.00056, "percentile": 0.21322, "modified": "2023-06-17"}, {"cve": "CVE-2022-21127", "epss": 0.00045, "percentile": 0.12027, "modified": "2023-06-17"}, {"cve": "CVE-2022-21166", "epss": 0.00046, "percentile": 0.12956, "modified": "2023-06-17"}], "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1}, "severity": "LOW", "exploitabilityScore": 3.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM"}, "exploitabilityScore": 1.8, "impactScore": 3.6}, "href": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/ADV220002", "reporter": "Microsoft", "references": [], "cvelist": ["CVE-2022-21123", "CVE-2022-21125", "CVE-2022-21127", "CVE-2022-21166"], "immutableFields": [], "lastseen": "2023-06-17T16:39:24", "viewCount": 644, "enchantments": {"dependencies": {"references": [{"type": "almalinux", "idList": ["ALSA-2022:6437", "ALSA-2022:6460", "ALSA-2022:7933", "ALSA-2022:8267"]}, {"type": "alpinelinux", "idList": ["ALPINE:CVE-2022-21127"]}, {"type": "amazon", "idList": ["ALAS-2022-1606", "ALAS2-2022-1800", "ALAS2-2022-1813"]}, {"type": "centos", "idList": ["CESA-2022:5937"]}, {"type": "citrix", "idList": ["CTX460064"]}, {"type": "cloudfoundry", "idList": ["CFOUNDRY:A03F5AC2013ED260DC64C02E99816F92"]}, {"type": "cve", "idList": ["CVE-2022-21123", "CVE-2022-21125", "CVE-2022-21127", "CVE-2022-21166"]}, {"type": "debian", "idList": ["DEBIAN:DLA-3065-1:C1710", "DEBIAN:DSA-5173-1:5A28E", "DEBIAN:DSA-5178-1:9B2D2", "DEBIAN:DSA-5184-1:CABB7"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2022-21123", "DEBIANCVE:CVE-2022-21125", "DEBIANCVE:CVE-2022-21127", "DEBIANCVE:CVE-2022-21166"]}, {"type": "f5", "idList": ["F5:K04808933", "F5:K08152433"]}, {"type": "fedora", "idList": ["FEDORA:1327A30569C4", "FEDORA:4B1E230C3DF7", "FEDORA:B930F30697B0", "FEDORA:D29113027CBD"]}, {"type": "gentoo", "idList": ["GLSA-202208-23"]}, {"type": "hp", "idList": ["HPSBHF03796"]}, {"type": "ibm", "idList": ["496D1442E6BA8A6137102D042D945E6932A39AD824C40F1EC57D3D14D4666E29", "67AFE8257A8F5CA32ADE6C83C3A2186FBD379BBBF1049A235EA4EE0C4D67742A", "B5A9AF4D83BE66FFB045998A244B081C4B596FD89734452E97AF443158456899", "EFEF2244E948829C5D18D7E375890D878EF65279FF91004B2295614B4406FAED"]}, {"type": "ics", "idList": ["ICSA-23-166-11"]}, {"type": "intel", "idList": ["INTEL:INTEL-SA-00615"]}, {"type": "kaspersky", "idList": ["KLA12568", "KLA12569"]}, {"type": "mageia", "idList": ["MGASA-2022-0242", "MGASA-2022-0243"]}, {"type": "malwarebytes", "idList": ["MALWAREBYTES:D133F234942A88D695B4882950A22971"]}, {"type": "mscve", "idList": ["MS:CVE-2022-21123", "MS:CVE-2022-21125", "MS:CVE-2022-21127", "MS:CVE-2022-21166"]}, {"type": "nessus", "idList": ["AL2022_ALAS2022-2022-185.NASL", "AL2023_ALAS2023-2023-070.NASL", "ALA_ALAS-2022-1606.NASL", "ALMA_LINUX_ALSA-2022-6437.NASL", "ALMA_LINUX_ALSA-2022-6460.NASL", "ALMA_LINUX_ALSA-2022-7933.NASL", "ALMA_LINUX_ALSA-2022-8267.NASL", "DEBIAN_DLA-3065.NASL", "DEBIAN_DSA-5173.NASL", "DEBIAN_DSA-5178.NASL", "DEBIAN_DSA-5184.NASL", "EULEROS_SA-2022-2292.NASL", "EULEROS_SA-2022-2384.NASL", "F5_BIGIP_SOL08152433.NASL", "FEDORA_2022-391E24517D.NASL", "GENTOO_GLSA-202208-23.NASL", "NUTANIX_NXSA-AOS-5_20_5.NASL", "NUTANIX_NXSA-AOS-6_5_1_5.NASL", "NUTANIX_NXSA-AOS-6_5_2.NASL", "NUTANIX_NXSA-AOS-6_6_2.NASL", "ORACLELINUX_ELSA-2022-5937.NASL", "ORACLELINUX_ELSA-2022-6460.NASL", "ORACLELINUX_ELSA-2022-8267.NASL", 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{"type": "oracle", "idList": ["ORACLE:CPUOCT2022"]}, {"type": "oraclelinux", "idList": ["ELSA-2022-5937", "ELSA-2022-6460", "ELSA-2022-8267", "ELSA-2022-9481", "ELSA-2022-9482", "ELSA-2022-9483", "ELSA-2022-9484", "ELSA-2022-9485", "ELSA-2022-9486", "ELSA-2022-9507", "ELSA-2022-9508", "ELSA-2022-9670"]}, {"type": "osv", "idList": ["OSV:DLA-3065-1", "OSV:DSA-5173-1", "OSV:DSA-5178-1", "OSV:DSA-5184-1"]}, {"type": "photon", "idList": ["PHSA-2022-3.0-0446"]}, {"type": "qualysblog", "idList": ["QUALYSBLOG:BB3D6B2DDD8D4FA41B52503EF011FDA4"]}, {"type": "rapid7blog", "idList": ["RAPID7BLOG:36C78C12B88BFE8FEF93D8EF7A7AA553"]}, {"type": "redhat", "idList": ["RHSA-2022:5937", "RHSA-2022:5939", "RHSA-2022:6252", "RHSA-2022:6271", "RHSA-2022:6437", "RHSA-2022:6460", "RHSA-2022:6536", "RHSA-2022:6537", "RHSA-2022:6560", "RHSA-2022:6696", "RHSA-2022:6872", "RHSA-2022:6954", "RHSA-2022:6983", "RHSA-2022:6991", "RHSA-2022:7211", "RHSA-2022:7216", "RHSA-2022:7279", "RHSA-2022:7280", "RHSA-2022:7874", "RHSA-2022:7933", "RHSA-2022:8267", "RHSA-2022:8609", "RHSA-2022:8973", "RHSA-2022:8974"]}, {"type": "redhatcve", "idList": ["RH:CVE-2022-21123", "RH:CVE-2022-21125", "RH:CVE-2022-21127", "RH:CVE-2022-21166"]}, {"type": "rocky", "idList": ["RLBA-2022:7317", "RLSA-2022:6437", "RLSA-2022:6460"]}, {"type": "slackware", "idList": ["SSA-2022-237-02"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2022:2177-1", "SUSE-SU-2022:2078-1", "SUSE-SU-2022:2079-1", "SUSE-SU-2022:2111-1", "SUSE-SU-2022:2520-1", "SUSE-SU-2022:2597-1", "SUSE-SU-2022:2599-1", "SUSE-SU-2022:2599-2", "SUSE-SU-2022:2615-1"]}, {"type": "ubuntu", "idList": ["USN-5484-1", "USN-5485-1", "USN-5485-2", "USN-5486-1", "USN-5505-1", "USN-5513-1", "USN-5529-1", "USN-5535-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2022-21123", "UB:CVE-2022-21125", "UB:CVE-2022-21127", "UB:CVE-2022-21166"]}, {"type": "veracode", "idList": ["VERACODE:36026", "VERACODE:36027", "VERACODE:36028", "VERACODE:36029"]}, {"type": "vmware", "idList": ["VMSA-2022-0016"]}, {"type": "xen", "idList": ["XSA-404"]}]}, "score": {"value": 7.4, "vector": "NONE"}, "epss": [{"cve": "CVE-2022-21123", "epss": 0.00046, "percentile": 0.12963, "modified": "2023-05-02"}, {"cve": "CVE-2022-21125", "epss": 0.00056, "percentile": 0.21318, "modified": "2023-05-02"}, {"cve": "CVE-2022-21127", "epss": 0.00045, "percentile": 0.11975, "modified": "2023-05-02"}, {"cve": "CVE-2022-21166", "epss": 0.00046, "percentile": 0.12963, "modified": "2023-05-02"}], "vulnersScore": 7.4}, "_state": {"score": 1687020172, "dependencies": 1687023426, "epss": 0}, "_internal": {"score_hash": "b5d5069212b18d67fe4c453a7d321961"}, "kbList": [], "msrc": "", "mscve": "ADV220002", "msAffectedSoftware": [], "vendorCvss": {}}

{"intel": [{"lastseen": "2023-02-08T18:04:06", "description": "### Summary: \n\nPotential security vulnerabilities in Memory Mapped I/O (MMIO) for some Intel\u00ae Processors may allow information disclosure. Intel is releasing firmware updates to mitigate these potential vulnerabilities.\n\n### Vulnerability Details:\n\nCVEID: [CVE-2022-21123](<https://vulners.com/cve/CVE-2022-21123>)\n\nDescription: Incomplete cleanup of multi-core shared buffers for some Intel\u00ae Processors may allow an authenticated user to potentially enable information disclosure via local access.\n\nCVSS Base Score: 6.1 Medium\n\nCVSS Vector: [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N](<https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N>)\n\nCVEID: [CVE-2022-21125](<https://vulners.com/cve/CVE-2022-21125>)\n\nDescription: Incomplete cleanup of microarchitectural fill buffers on some Intel\u00ae Processors may allow an authenticated user to potentially enable information disclosure via local access.\n\nCVSS Base Score: 5.6 Medium\n\nCVSS Vector: [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N](<https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N>)\n\nCVEID: [CVE-2022-21127](<https://vulners.com/cve/CVE-2022-21127>)\n\nDescription: Incomplete cleanup in specific special register read operations for some Intel\u00ae Processors may allow an authenticated user to potentially enable information disclosure via local access.\n\nCVSS Base Score: 5.5 Medium\n\nCVSS Vector: [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N](<https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N>)\n\nCVEID: [CVE-2022-21166](<https://vulners.com/cve/CVE-2022-21166>)\n\nDescription: Incomplete cleanup in specific special register write operations for some Intel\u00ae Processors may allow an authenticated user to potentially enable information disclosure via local access.\n\nCVSS Base Score: 5.5 Medium\n\nCVSS Vector: [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N](<https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N>)\n\n### Affected Products:\n\nSome Intel\u00ae Processors, see full list:\n\n<https://www.intel.com/content/www/us/en/developer/topic-technology/software-security-guidance/processors-affected-consolidated-product-cpu-model.html>\n\n### Recommendations:\n\nIntel recommends that users of the affected Intel\u00ae Processors update to the latest version provided by the system manufacturer that addresses these issues.\n\nIntel\u00ae SGX PSW for Windows to version 2.16.100.3 or later: \n\n<https://registrationcenter.intel.com/en/products/download/3406/>\n\nIntel\u00ae SGX SDK for Windows to version 2.16.100.3 or later:\n\n<https://registrationcenter.intel.com/en/products/download/3407/>\n\nIntel\u00ae SGX DCAP for Windows to version 1.14.100.3 or later:\n\n<https://registrationcenter.intel.com/en/products/download/3610/>\n\nIntel\u00ae SGX PSW for Linux to version 2.17.100.3 or later:\n\n<https://01.org/intel-software-guard-extensions/downloads>\n\nIntel\u00ae SGX SDK for Linux to version 2.17.100.3 or later:\n\n<https://01.org/intel-software-guard-extensions/downloads>\n\nIntel\u00ae SGX DCAP for Linux to version 1.14.100.3 or later:\n\n<https://01.org/intel-software-guard-extensions/downloads>\n\nTo address this issue, an Intel SGX TCB Recovery is planned. Details can be found [here](<https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/resources/q4-2022-intel-sgx-tcb-recovery-guidance.html>).\n\nRefer to [Intel SGX Attestation Technical Details](<https://www.intel.com/content/www/us/en/security-center/technical-details/sgx-attestation-technical-details.html>) for more information on the Intel SGX TCB recovery process. \n\n\nFurther [TCB Recovery Guidance](<https://software.intel.com/content/www/us/en/develop/download/intel-software-guard-extensions-trusted-computing-base-tcb-recovery.html>) for developers is available \n\n\n### Acknowledgements:\n\nThe following issues were found internally by Intel employees. Intel would like to thank Ke Sun, Alan Miller, Shlomi Alkalay, Robert Jones, Ezra Caltum for reporting CVE-2022-21123, CVE-2022-21125, CVE-2022-21127, CVE-2022-21166. 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(reference &&\n _release &&\n rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&\n (applicable_repo_urls || (!exists_check || rpm_exists(release:_release, rpm:exists_check))) &&\n rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;\n }\n}\n\nif (flag)\n{\n var extra = NULL;\n if (empty_or_null(applicable_repo_urls)) extra = rpm_report_get() + redhat_report_repo_caveat();\n else extra = rpm_report_get() + redhat_report_package_caveat();\n security_report_v4(\n port : 0,\n severity : SECURITY_NOTE,\n extra : extra\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'bpftool / kernel / kernel-abi-whitelists / kernel-bootwrapper / etc');\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-05-17T20:28:38", "description": "The 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User interaction is not needed for exploitation.Product:\n AndroidVersions: Android kernelAndroid ID: A-216481035References: Upstream kernel (CVE-2022-20008)\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 - 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. 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rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];\n if (reference && _release) {\n if (exists_check) {\n var check_flag = 0;\n foreach var check (exists_check) {\n if (!rpm_exists(release:_release, rpm:check)) continue;\n if ('ltss' >< tolower(check)) ltss_caveat_required = TRUE;\n check_flag++;\n }\n if (!check_flag) continue;\n }\n if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;\n }\n}\n\nif (flag)\n{\n var ltss_plugin_caveat = NULL;\n if(ltss_caveat_required) ltss_plugin_caveat = '\\n' +\n 'NOTE: This vulnerability check contains fixes that apply to\\n' +\n 'packages only available in SUSE Enterprise Linux Server LTSS\\n' +\n 'repositories. Access to these package security updates require\\n' +\n 'a paid SUSE LTSS subscription.\\n';\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : rpm_report_get() + ltss_plugin_caveat\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'xen / xen-devel / xen-libs / xen-tools / xen-tools-domU');\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-05-17T16:33:30", "description": "The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5529-1 advisory.\n\n - Linux Kernel could allow a local attacker to execute arbitrary code on the system, caused by a concurrency use-after-free flaw in the bad_flp_intr function. By executing a specially-crafted program, an attacker could exploit this vulnerability to execute arbitrary code or cause a denial of service condition on the system. (CVE-2022-1652)\n\n - A use-after-free flaw was found in the Linux kernel's Atheros wireless adapter driver in the way a user forces the ath9k_htc_wait_for_target function to fail with some input messages. This flaw allows a local user to crash or potentially escalate their privileges on the system. (CVE-2022-1679)\n\n - With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed with CR0.PG=0, the invlpg callback is not set and the result is a NULL pointer dereference.\n (CVE-2022-1789)\n\n - A NULL pointer dereference flaw was found in the Linux kernel's KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU. (CVE-2022-1852)\n\n - A vulnerability was found in the Linux kernel's nft_set_desc_concat_parse() function .This flaw allows an attacker to trigger a buffer overflow via nft_set_desc_concat_parse() , causing a denial of service and possibly to run code. (CVE-2022-2078)\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 write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2022-21166)\n\n - rpmsg_virtio_add_ctrl_dev in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free. (CVE-2022-34494)\n\n - rpmsg_probe in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free.\n (CVE-2022-34495)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2022-07-21T00:00:00", "type": "nessus", "title": "Ubuntu 22.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5529-1)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2022-1652", "CVE-2022-1679", "CVE-2022-1789", "CVE-2022-1852", "CVE-2022-1973", "CVE-2022-2078", "CVE-2022-21123", "CVE-2022-21125", "CVE-2022-21166", "CVE-2022-34494", "CVE-2022-34495"], "modified": "2023-01-17T00:00:00", "cpe": ["cpe:/o:canonical:ubuntu_linux:22.04:-:lts", "p-cpe:/a:canonical:ubuntu_linux:linux-image-5.17.0-1013-oem", "p-cpe:/a:canonical:ubuntu_linux:linux-image-oem"], "id": "UBUNTU_USN-5529-1.NASL", "href": "https://www.tenable.com/plugins/nessus/163325", "sourceData": "##\n# (C) Tenable, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from Ubuntu Security Notice USN-5529-1. The text\n# itself is copyright (C) Canonical, Inc. See\n# <https://ubuntu.com/security/notices>. Ubuntu(R) is a registered\n# trademark of Canonical, Inc.\n##\n\ninclude('compat.inc');\n\nif (description)\n{\n script_id(163325);\n script_version(\"1.3\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2023/01/17\");\n\n script_cve_id(\n \"CVE-2022-1652\",\n \"CVE-2022-1679\",\n \"CVE-2022-1789\",\n \"CVE-2022-1852\",\n \"CVE-2022-1973\",\n \"CVE-2022-2078\",\n \"CVE-2022-21123\",\n \"CVE-2022-21125\",\n \"CVE-2022-21166\",\n \"CVE-2022-34494\",\n \"CVE-2022-34495\"\n );\n script_xref(name:\"USN\", value:\"5529-1\");\n\n script_name(english:\"Ubuntu 22.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5529-1)\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote Ubuntu ho

Microsoft Guidance on Intel Processor MMIO Stale Data Vulnerabilities

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