{ "id": "CVE-2016-10088", "sourceIdentifier": "security@debian.org", "published": "2016-12-30T18:59:00.130", "lastModified": "2023-06-07T12:44:09.807", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "The sg implementation in the Linux kernel through 4.9 does not properly restrict write operations in situations where the KERNEL_DS option is set, which allows local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device, related to block/bsg.c and drivers/scsi/sg.c. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9576." }, { "lang": "es", "value": "La implementaci\u00f3n sg en el kernel Linux hasta la versi\u00f3n 4.9 no restringe correctamente operaciones de escritura en situaciones donde la opci\u00f3n KERNEL_DS est\u00e1 activa, lo que permite a usuarios locales leer o escribir a ubicacioes arbitrarias de memoria de kernel o provocar una denegaci\u00f3n de servicio (uso despues de liberaci\u00f3n) aprovechando el acceso al dispositivo /dev/sg, relacionado con block/bsg.c y drivers/scsi/sg.c. NOTA: esta vulnerabilidad existe debido a una reparaci\u00f3n incompleta de CVE-2016-9576." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.0, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "accessVector": "LOCAL", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 6.9 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.4, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-416" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.10.107", "matchCriteriaId": "C7CC435A-771D-4B94-92E2-D1E1F6658911" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "3.12.70", "matchCriteriaId": "62D40056-DC08-4609-8FAB-B6D924994367" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "3.16.40", "matchCriteriaId": "1331ABAB-8C2B-4379-BA77-B655A5B9A83F" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "3.18.47", "matchCriteriaId": "B1A82714-1C53-498D-94AA-DE9F6B577522" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "4.1.38", "matchCriteriaId": "755C626E-7669-4E6E-BC91-2656E4740E66" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "4.4.41", "matchCriteriaId": "416DE4AD-4E79-4CC6-9B9D-15BA301E0811" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "4.8.17", "matchCriteriaId": "852FD2CB-474A-4B94-8B29-1307B3402946" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9", "versionEndExcluding": "4.9.2", "matchCriteriaId": "F0671122-FCD7-4CEF-B818-5680B6E594DA" } ] } ] } ], "references": [ { "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=128394eff343fc6d2f32172f03e24829539c5835", "source": "security@debian.org", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "http://rhn.redhat.com/errata/RHSA-2017-0817.html", "source": "security@debian.org", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2016/12/30/1", "source": "security@debian.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.securityfocus.com/bid/95169", "source": "security@debian.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.securitytracker.com/id/1037538", "source": "security@debian.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://access.redhat.com/errata/RHSA-2017:1842", "source": "security@debian.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://access.redhat.com/errata/RHSA-2017:2077", "source": "security@debian.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://access.redhat.com/errata/RHSA-2017:2669", "source": "security@debian.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/128394eff343fc6d2f32172f03e24829539c5835", "source": "security@debian.org", "tags": [ "Patch", "Vendor Advisory" ] } ] }