{ "id": "CVE-2022-42331", "sourceIdentifier": "security@xen.org", "published": "2023-03-21T13:15:11.833", "lastModified": "2023-03-27T14:10:22.987", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one entrypath performs its speculation-safety actions too late. In some configurations, there is an unprotected RET instruction which can be attacked with a variety of speculative attacks." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "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 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*", "versionStartIncluding": "4.5.0", "versionEndIncluding": "4.17.0", "matchCriteriaId": "50F5E722-F947-476A-9CC8-06E2D19CDBD2" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D" }, { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*", "matchCriteriaId": "CC559B26-5DFC-4B7A-A27C-B77DE755DFF9" } ] } ] } ], "references": [ { "url": "http://www.openwall.com/lists/oss-security/2023/03/21/3", "source": "security@xen.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://xenbits.xen.org/xsa/advisory-429.html", "source": "security@xen.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5L6PM4RE7MUE6OWA32ZVOXCP235RM2TM/", "source": "security@xen.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APBMS2Q6746AXAFAITNJMGBNFGNMVLWR/", "source": "security@xen.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2023/dsa-5378", "source": "security@xen.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://xenbits.xenproject.org/xsa/advisory-429.txt", "source": "security@xen.org", "tags": [ "Vendor Advisory" ] } ] }