CVE-2020-8428

{"id": "CVE-2020-8428", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.8}]}, "published": "2020-01-29T00:15:10.953", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html", "source": "cve@mitre.org"}, {"url": "http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html", "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2020/01/28/4", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2020/02/02/1", "source": "cve@mitre.org"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0cb50185ae942b03c4327be322055d622dc79f6", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/torvalds/linux/commit/d0cb50185ae942b03c4327be322055d622dc79f6", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html", "source": "cve@mitre.org"}, {"url": "https://security.netapp.com/advisory/ntap-20200313-0003/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4318-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4319-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4320-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4324-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4325-1/", "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2020/dsa-4667", "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2020/dsa-4698", "source": "cve@mitre.org"}, {"url": "https://www.openwall.com/lists/oss-security/2020/01/28/2", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2020/01/28/4", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2020/02/02/1", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0cb50185ae942b03c4327be322055d622dc79f6", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/torvalds/linux/commit/d0cb50185ae942b03c4327be322055d622dc79f6", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20200313-0003/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4318-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4319-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4320-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4324-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4325-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2020/dsa-4667", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2020/dsa-4698", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.openwall.com/lists/oss-security/2020/01/28/2", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "fs/namei.c in the Linux kernel before 5.5 has a may_create_in_sticky use-after-free, which allows local users to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if the socket is being moved to a new parent directory and its old parent directory is being removed."}, {"lang": "es", "value": "El archivo fs/namei.c en el kernel de Linux versiones anteriores a 5.5, presenta una vulnerabilidad de uso de la memoria previamente liberada en la funci\u00f3n may_create_in_sticky, que permite a usuarios locales causar una denegaci\u00f3n de servicio (OOPS) u obtener informaci\u00f3n confidencial de la memoria del kernel, tambi\u00e9n se conoce como CID-d0cb50185ae9. Un vector de ataque puede ser una llamada de sistema abierta para un socket del dominio UNIX, si el socket est\u00e1 siendo movido hacia un nuevo directorio padre y su antiguo directorio padre est\u00e1 siendo eliminado."}], "lastModified": "2024-11-21T05:38:50.103", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "904A2E19-D6CD-4C97-B8F4-1F179CC6956C", "versionEndExcluding": "5.5", "versionStartIncluding": "4.19"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}