DATABASE RESOURCES PRICING ABOUT US

{"id": "MS:CVE-2022-29900", "vendorId": null, "type": "mscve", "bulletinFamily": "microsoft", "title": "AMD: CVE-2022-29900 AMD CPU Branch Type Confusion", "description": "", "published": "2022-07-12T07:00:00", "modified": "2023-09-04T07:00:00", "epss": [{"cve": "CVE-2022-29900", "epss": 0.00046, "percentile": 0.12903, "modified": "2023-07-29"}], "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": 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{"fedora": [{"lastseen": "2023-07-29T18:51:57", "description": "This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor ", "cvss3": {"exploitabilityScore": 2.0, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2022-07-18T01:09:01", "type": "fedora", "title": "[SECURITY] Fedora 36 Update: xen-4.16.1-6.fc36", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": 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The AMD CPUs can be attacked similar to the previously known Spectre Variant 2 (CVE-2017-5715). This issue affects AMD CPUs where the OS relies on IBPB to flush the return address predictor. As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks.\n#### Mitigation\n\nPlease see the vulnerability response article for the full list of updates available and a detailed discussion of this issue, which compares the existing mitigation for CVE-2022-23816 and CVE-2022-29900, mentioning Mitigation V2-3 of Software Techniques for Managing Speculation.pdf, and a suggests that Hypervisor and OS vendors review their usages of IBPB. \n\n", "cvss3": {"exploitabilityScore": 2.0, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2022-11-09T12:26:05", "type": "redhatcve", "title": "CVE-2022-23824", "bulletinFamily": "info", "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-2017-5715", "CVE-2022-23816", "CVE-2022-23824", "CVE-2022-29900"], "modified": "2023-08-28T15:49:11", "id": "RH:CVE-2022-23824", "href": "https://access.redhat.com/security/cve/cve-2022-23824", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-08-31T21:08:48", "description": "A flaw was found in hw. Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions.\n", "cvss3": {}, "published": "2022-07-13T04:44:07", "type": "redhatcve", "title": "CVE-2022-23816", "bulletinFamily": "info", "cvss2": {}, "cvelist": ["CVE-2022-23816"], "modified": "2023-08-31T16:19:11", "id": "RH:CVE-2022-23816", "href": "https://access.redhat.com/security/cve/cve-2022-23816", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-08-31T21:06:05", "description": "A flaw was found in hw. Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions.\n", "cvss3": {"exploitabilityScore": 2.0, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2022-07-13T04:44:10", "type": "redhatcve", "title": "CVE-2022-29900", "bulletinFamily": "info", "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-2022-29900"], "modified": "2023-08-31T16:23:16", "id": "RH:CVE-2022-29900", "href": "https://access.redhat.com/security/cve/cve-2022-29900", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}], "amd": [{"lastseen": "2023-07-29T18:43:13", "description": "**Bulletin ID:** AMD-SB-1037 \n**Potential Impact:** Information disclosure, arbitrary speculative code execution \n**Severity:**Medium\n\n## Summary\n\nThis security bulletin addresses two issues related to CVE-2017-5715 previously known as Spectre Variant 2. As part of our efforts to continue improving security features, AMD has investigated additional issues related to CVE-2017-5715. This security bulletin addresses subsequent potential issues.\n\n## CVE Details\n\nCVE-2022-23825 (Branch Type Confusion_)_\n\nAliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure.\n\nCVE-2022-29900 (RETbleed) (aka CVE-2022-23816) \n\n\nMis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions.\n\n## Affected Products\n\nDesktop\n\n * AMD Athlon\u2122 X4 processor\n * AMD Ryzen\u2122 Threadripper\u2122 PRO processor\n * 2nd Gen AMD Ryzen\u2122 Threadripper\u2122 processors\n * 3rd Gen AMD Ryzen\u2122 Threadripper\u2122 processors\n * 7th Generation AMD A-Series APUs\n * AMD Ryzen\u2122 2000 Series Desktop processors\n * AMD Ryzen\u2122 3000 Series Desktop processors\n * AMD Ryzen\u2122 4000 Series Desktop processors with Radeon\u2122 graphics\n\nMobile\n\n * AMD Ryzen\u2122 2000 Series Mobile processor\n * AMD Athlon\u2122 3000 Series Mobile processors with Radeon\u2122\n\nGraphics\n\n * AMD Ryzen\u2122 3000 Series Mobile processors or 2nd Gen AMD Ryzen\u2122 Mobile processors with Radeon\u2122 graphics\n * AMD Ryzen\u2122 4000 Series Mobile processors with Radeon\u2122 graphics\n * AMD Ryzen\u2122 5000 Series Mobile processors with Radeon\u2122 graphics\n\nChromebook\n\n * AMD Athlon\u2122 Mobile processors with Radeon\u2122 graphics\n\nServer\n\n * 1st Gen AMD EPYC\u2122 processors\n * 2nd Gen AMD EPYC\u2122 processors\n\n## Mitigation\n\nAMD is recommending the software community follow the guidance found in our [Technical Guidance for Mitigating Branch Type Confusion](<https://www.amd.com/system/files/documents/technical-guidance-for-mitigating-branch-type-confusion_v7_20220712.pdf>)1\n\nAs of the date of this disclosure, AMD is not aware of any active exploits in the wild of AMD products relating to CVE-2017-5715.\n", "cvss3": {"exploitabilityScore": 2.0, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2022-07-12T00:00:00", "type": "amd", "title": "AMD CPU Branch Type Confusion", "bulletinFamily": "info", "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-2017-5715", "CVE-2022-23816", "CVE-2022-23825", "CVE-2022-29900"], "modified": "2022-07-14T00:00:00", "id": "AMD-SB-1037", "href": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-1037.html", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}], "nessus": [{"lastseen": "2023-05-17T16:31:45", "description": "The remote Fedora 36 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2022-c69ef9c1dd advisory.\n\n - AMD microprocessor families 15h to 18h are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. 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