2 lines
3.9 KiB
JSON
2 lines
3.9 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":"8A8E7F05-FF68-4B1A-BE6E-F802E06C69FC","versionEndIncluding":"5.10.12","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"DEECE5FC-CACF-4496-A3E7-164736409252","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"nbd_add_socket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndb_queue_rq use-after-free that could be triggered by local attackers (with access to the nbd device) via an I/O request at a certain point during device setup, aka CID-b98e762e3d71."},{"lang":"es","value":"En la función nbd_add_socket en el archivo drivers/block/nbd.c en el kernel de Linux versiones hasta 5.10.12, presenta un uso de la memoria previamente liberada de ndb_queue_rq que podría ser desencadenado por atacantes locales (con acceso al dispositivo nbd) por medio de una petición de E/S en un punto determinado durante la configuración del dispositivo, también se conoce como CID-b98e762e3d71"}],"id":"CVE-2021-3348","lastModified":"2026-06-17T04:04:59.013","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"LOCAL","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":4.4,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:L/AC:M/Au:N/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":3.4,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.0,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.0,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-02-01T04:15:14.430","references":[{"source":"cve@mitre.org","tags":["Mailing List","Patch","Third Party Advisory"],"url":"http://www.openwall.com/lists/oss-security/2021/02/01/1"},{"source":"cve@mitre.org","tags":["Mailing List","Patch","Vendor Advisory"],"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b98e762e3d71e893b221f871825dc64694cfb258"},{"source":"cve@mitre.org","tags":["Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html"},{"source":"cve@mitre.org","tags":["Mailing List","Patch","Third Party Advisory"],"url":"https://www.openwall.com/lists/oss-security/2021/01/28/3"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Third Party Advisory"],"url":"http://www.openwall.com/lists/oss-security/2021/02/01/1"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Vendor Advisory"],"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b98e762e3d71e893b221f871825dc64694cfb258"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Third Party Advisory"],"url":"https://www.openwall.com/lists/oss-security/2021/01/28/3"}],"sourceIdentifier":"cve@mitre.org","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-362"},{"lang":"en","value":"CWE-416"}],"source":"nvd@nist.gov","type":"Primary"}]}
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