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Este fallo permite a un usuario local en un sistema vulnerable desmontar los sistemas de archivos de otros usuarios que son de escritura mundial (como /tmp) o que están montados en un directorio de escritura mundial. Un atacante puede usar este fallo para causar una denegación de servicio a las aplicaciones que usan los sistemas de archivos afectados."}],"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:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-552"}]},{"source":"nvd@nist.gov","type":"Secondary","description":[{"lang":"en","value":"CWE-552"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:kernel:util-linux:*:*:*:*:*:*:*:*","versionStartIncluding":"2.34","versionEndExcluding":"2.37.3","matchCriteriaId":"755D0AAC-24D9-4B39-BCC2-06AC9FF889E2"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*","matchCriteriaId":"80E516C0-98A4-4ADE-B69F-66A772E2BAAA"}]}]}],"references":[{"url":"http://packetstormsecurity.com/files/170176/snap-confine-must_mkdir_and_open_with_perms-Race-Condition.html","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2022/Dec/4","source":"secalert@redhat.com","tags":["Mailing List","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2022/11/30/2","source":"secalert@redhat.com","tags":["Mailing List","Third Party Advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2021-3996","source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2024628","source":"secalert@redhat.com","tags":["Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://github.com/util-linux/util-linux/commit/166e87368ae88bf31112a30e078cceae637f4cdb","source":"secalert@redhat.com","tags":["Patch","Third Party Advisory"]},{"url":"https://mirrors.edge.kernel.org/pub/linux/utils/util-linux/v2.37/v2.37.3-ReleaseNotes","source":"secalert@redhat.com","tags":["Release Notes","Vendor Advisory"]},{"url":"https://security.gentoo.org/glsa/202401-08","source":"secalert@redhat.com"},{"url":"https://security.netapp.com/advisory/ntap-20221209-0002/","source":"secalert@redhat.com","tags":["Broken Link","Third Party Advisory"]},{"url":"https://www.openwall.com/lists/oss-security/2022/01/24/2","source":"secalert@redhat.com","tags":["Exploit","Mailing List","Patch","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/170176/snap-confine-must_mkdir_and_open_with_perms-Race-Condition.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2022/Dec/4","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2022/11/30/2","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2021-3996","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2024628","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://github.com/util-linux/util-linux/commit/166e87368ae88bf31112a30e078cceae637f4cdb","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://mirrors.edge.kernel.org/pub/linux/utils/util-linux/v2.37/v2.37.3-ReleaseNotes","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes","Vendor Advisory"]},{"url":"https://security.gentoo.org/glsa/202401-08","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20221209-0002/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link","Third Party Advisory"]},{"url":"https://www.openwall.com/lists/oss-security/2022/01/24/2","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Mailing List","Patch","Third Party Advisory"]}]}}]}