2 lines
5.1 KiB
JSON
2 lines
5.1 KiB
JSON
{"affected":[{"affectedData":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"source":"cve@mitre.org"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"68E74529-58C5-4D73-8176-DDDF25C71F22","versionEndExcluding":"4.11","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","matchCriteriaId":"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*","matchCriteriaId":"8D305F7A-D159-4716-AB26-5E38BB5CD991","vulnerable":true},{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*","matchCriteriaId":"815D70A8-47D3-459C-A32C-9FEACA0659D1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"The do_shmat function in ipc/shm.c in the Linux kernel through 4.9.12 does not restrict the address calculated by a certain rounding operation, which allows local users to map page zero, and consequently bypass a protection mechanism that exists for the mmap system call, by making crafted shmget and shmat system calls in a privileged context."},{"lang":"es","value":"La función do_shmat en ipc/shm.c en el kernel de Linux hasta la versión 4.9.12 no restringe la dirección calculada por cierta operación de redondeo, lo que permite a usuarios locales asignar la página cero, y como consecuencia, eludir un mecanismo de protección que existe por la llamada de sistema mmap, haciendo llamadas a sistema shmget y shmat manipuladas en un contexto privilegiado."}],"id":"CVE-2017-5669","lastModified":"2026-06-17T01:21:00.543","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"LOCAL","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":4.6,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:L/AC:L/Au:N/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":3.9,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2017-02-24T15:59:00.150","references":[{"source":"cve@mitre.org","tags":["Third Party Advisory"],"url":"http://www.debian.org/security/2017/dsa-3804"},{"source":"cve@mitre.org","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securityfocus.com/bid/96754"},{"source":"cve@mitre.org","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securitytracker.com/id/1037918"},{"source":"cve@mitre.org","tags":["Issue Tracking","Patch","Vendor Advisory"],"url":"https://bugzilla.kernel.org/show_bug.cgi?id=192931"},{"source":"cve@mitre.org","tags":["Patch","Third Party Advisory"],"url":"https://github.com/torvalds/linux/commit/95e91b831f87ac8e1f8ed50c14d709089b4e01b8"},{"source":"cve@mitre.org","tags":["Patch","Third Party Advisory"],"url":"https://github.com/torvalds/linux/commit/e1d35d4dc7f089e6c9c080d556feedf9c706f0c7"},{"source":"cve@mitre.org","tags":["Third Party Advisory"],"url":"https://usn.ubuntu.com/3583-1/"},{"source":"cve@mitre.org","tags":["Third Party Advisory"],"url":"https://usn.ubuntu.com/3583-2/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"http://www.debian.org/security/2017/dsa-3804"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securityfocus.com/bid/96754"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securitytracker.com/id/1037918"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch","Vendor Advisory"],"url":"https://bugzilla.kernel.org/show_bug.cgi?id=192931"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"],"url":"https://github.com/torvalds/linux/commit/95e91b831f87ac8e1f8ed50c14d709089b4e01b8"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"],"url":"https://github.com/torvalds/linux/commit/e1d35d4dc7f089e6c9c080d556feedf9c706f0c7"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://usn.ubuntu.com/3583-1/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://usn.ubuntu.com/3583-2/"}],"sourceIdentifier":"cve@mitre.org","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"NVD-CWE-noinfo"}],"source":"nvd@nist.gov","type":"Primary"}]}
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