{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-12T02:25:28.317","vulnerabilities":[{"cve":{"id":"CVE-2020-25578","sourceIdentifier":"secteam@freebsd.org","published":"2021-03-26T21:15:12.600","lastModified":"2024-11-21T05:18:09.560","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In FreeBSD 12.2-STABLE before r368969, 11.4-STABLE before r369047, 12.2-RELEASE before p3, 12.1-RELEASE before p13 and 11.4-RELEASE before p7 several file systems were not properly initializing the d_off field of the dirent structures returned by VOP_READDIR. In particular, tmpfs(5), smbfs(5), autofs(5) and mqueuefs(5) were failing to do so. As a result, eight uninitialized kernel stack bytes may be leaked to userspace by these file systems."},{"lang":"es","value":"En FreeBSD versiones 12.2-STABLE anteriores a r368969, 11.4-STABLE anteriores a r369047, 12.2-RELEASE anteriores a p3, 12.1-RELEASE anteriores a p13 y 11.4-RELEASE anteriores a p7, varios sistemas de archivos no estaban inicializando apropiadamente el campo d_off de las estructuras dirent devueltas por VOP_READDIR. En particular, tmpfs(5), smbfs(5), autofs(5) y mqueuefs(5) no lo hicieron. Como resultado, estos sistemas de archivos pueden filtrar ocho bytes de la pila del kernel no inicializados al espacio de usuario."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-665"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:*","matchCriteriaId":"4A865EA1-01D7-4E5A-9D13-80780F8A9D7A"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:*","matchCriteriaId":"9FCA6A72-2A72-45FD-A43D-B5BF7C329121"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:*","matchCriteriaId":"90F9B3CB-3B60-4AA8-9EAF-4F0BE7D27691"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:*","matchCriteriaId":"C04EE177-C7D1-4049-B680-F961A27C677F"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:11.4:p4:*:*:*:*:*:*","matchCriteriaId":"218AF216-7B03-4C02-B55F-2316AF14074B"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:11.4:p5:*:*:*:*:*:*","matchCriteriaId":"33266717-0359-4243-868B-B84436E2A89E"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:11.4:p6:*:*:*:*:*:*","matchCriteriaId":"99965487-D5FD-4507-A43B-F241FEEA5237"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*","matchCriteriaId":"BD730B6A-F123-4685-ACB3-4F20AAAB77F3"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:*","matchCriteriaId":"508150E3-2C0C-4EEB-BFC9-BB5CEB404C06"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:p10:*:*:*:*:*:*","matchCriteriaId":"0F0D6626-E7B8-4230-A66F-E4356B1729F3"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:p11:*:*:*:*:*:*","matchCriteriaId":"81E78680-1EB0-4E44-A571-267238F96A28"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:p12:*:*:*:*:*:*","matchCriteriaId":"E3A64B92-9F22-4C7A-9540-39856439DCD9"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:*","matchCriteriaId":"B5D692EF-A5D7-430E-91BA-4CD137343B66"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:*","matchCriteriaId":"D50C60A7-4C9F-4636-92E9-9F5B8B01BE5B"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:*","matchCriteriaId":"6C49F6C7-A740-42F4-93BB-512CBF334516"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:p5:*:*:*:*:*:*","matchCriteriaId":"402740C4-5B55-423F-BAD2-F742E1E21ADC"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:*","matchCriteriaId":"9DCAA10A-C612-45E0-84B7-55897F49D65E"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:*","matchCriteriaId":"CB6258A5-8066-48B8-A417-09A1547DD57A"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:p8:*:*:*:*:*:*","matchCriteriaId":"6601C7C4-EC36-4EAA-90AC-D3156A2BF330"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.1:p9:*:*:*:*:*:*","matchCriteriaId":"EDCBC06C-B16B-498A-A99B-5F9F17C5FF03"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*","matchCriteriaId":"73D9C08B-8F5B-40C4-A5BD-B00D2E4C012D"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:*","matchCriteriaId":"62A178A3-6A52-4981-9A27-FB07AD8AF778"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:*","matchCriteriaId":"54A487B1-E5CE-4C76-87E8-518D24C5D86D"}]}]}],"references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-21:01.fsdisclosure.asc","source":"secteam@freebsd.org","tags":["Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20210423-0002/","source":"secteam@freebsd.org","tags":["Third Party Advisory"]},{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-21:01.fsdisclosure.asc","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20210423-0002/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}