CVE-2017-17864

{"id": "CVE-2017-17864", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 3.3, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 1.8}]}, "published": "2017-12-27T17:08:20.560", "references": [{"url": "http://www.securityfocus.com/bid/102320", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://www.securitytracker.com/id/1040059", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://anonscm.debian.org/cgit/kernel/linux.git/commit/?h=stretch-security&id=ad775f6ff7eebb93eedc2f592bc974260e7757b0", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-verifier-fix-states_equal-comparison-of-pointer-and-unknown.patch?h=stretch-security", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/usn/usn-3523-2/", "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2017/dsa-4073", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/102320", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securitytracker.com/id/1040059", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://anonscm.debian.org/cgit/kernel/linux.git/commit/?h=stretch-security&id=ad775f6ff7eebb93eedc2f592bc974260e7757b0", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-verifier-fix-states_equal-comparison-of-pointer-and-unknown.patch?h=stretch-security", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/usn/usn-3523-2/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2017/dsa-4073", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a \"pointer leak.\""}, {"lang": "es", "value": "kernel/bpf/verifier.c en el kernel de Linux hasta la versi\u00f3n 4.14.8 gestiona de manera incorrecta las comparaciones states_equal entre el tipo de datos del puntero y el tipo de datos UNKNOWN_VALUE, lo que permite que usuarios locales obtengan informaci\u00f3n de direcciones sensible. Esto tambi\u00e9n se conoce como \"pointer leak\"."}], "lastModified": "2025-04-20T01:37:25.860", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DD5F65B-785C-436C-9177-6C16E228C08D", "versionEndIncluding": "4.14.8"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}