{ "id": "CVE-2015-2672", "sourceIdentifier": "cve@mitre.org", "published": "2016-05-02T10:59:10.310", "lastModified": "2024-11-21T02:27:49.230", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "The xsave/xrstor implementation in arch/x86/include/asm/xsave.h in the Linux kernel before 3.19.2 creates certain .altinstr_replacement pointers and consequently does not provide any protection against instruction faulting, which allows local users to cause a denial of service (panic) by triggering a fault, as demonstrated by an unaligned memory operand or a non-canonical address memory operand." }, { "lang": "es", "value": "La implementaci\u00f3n de xsave/xrstor en arch/x86/include/asm/xsave.h en el kernel de Linux en versiones anteriores a 3.19.2 crea determinados punteros .altinstr_replacement y consecuentemente no provee ninguna protecci\u00f3n contra fallo de instrucciones, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (p\u00e1nico) desencadenando un fallo, seg\u00fan lo demostrado por un operando de memoria no alineada o un operando de direcci\u00f3n de memoria no can\u00f3nico." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "baseScore": 4.9, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.9, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-20" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndIncluding": "3.19.1", "matchCriteriaId": "F826E30E-CA66-4654-B8A4-F18D32B89116" } ] } ] } ], "references": [ { "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06c8173eb92bbfc03a0fe8bb64315857d0badd06", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.2", "source": "cve@mitre.org" }, { "url": "http://www.openwall.com/lists/oss-security/2015/03/22/1", "source": "cve@mitre.org" }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1204729", "source": "cve@mitre.org" }, { "url": "https://github.com/torvalds/linux/commit/06c8173eb92bbfc03a0fe8bb64315857d0badd06", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06c8173eb92bbfc03a0fe8bb64315857d0badd06", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] }, { "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.2", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://www.openwall.com/lists/oss-security/2015/03/22/1", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1204729", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://github.com/torvalds/linux/commit/06c8173eb92bbfc03a0fe8bb64315857d0badd06", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] } ] }