fkie_cve-2016-7916
Vulnerability from fkie_nvd
Published
2016-11-16 05:59
Modified
2025-04-12 10:46
Severity ?
Summary
Race condition in the environ_read function in fs/proc/base.c in the Linux kernel before 4.5.4 allows local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
linux | linux_kernel | * |
{ "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E7AEB8DD-7C80-4B48-98E0-0502F1575337", "versionEndIncluding": "4.5.3", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "Race condition in the environ_read function in fs/proc/base.c in the Linux kernel before 4.5.4 allows local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete." }, { "lang": "es", "value": "La condici\u00f3n de carrera en la funci\u00f3n environ_read en fs / proc / base.c en el kernel de Linux antes de 4.5.4 permite a usuarios locales obtener informaci\u00f3n sensible de la memoria del kernel leyendo un archivo / proc / * / environ durante un intervalo de tiempo de configuraci\u00f3n del proceso cuya copia de variabilidad de entorno es incompleta." } ], "id": "CVE-2016-7916", "lastModified": "2025-04-12T10:46:40.837", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.7, "confidentialityImpact": "COMPLETE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:N/A:N", "version": "2.0" }, "exploitabilityScore": 3.4, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true } ], "cvssMetricV30": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.0" }, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2016-11-16T05:59:11.017", "references": [ { "source": "security@android.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3" }, { "source": "security@android.com", "tags": [ "Third Party Advisory" ], "url": "http://source.android.com/security/bulletin/2016-11-01.html" }, { "source": "security@android.com", "tags": [ "Release Notes", "Vendor Advisory" ], "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4" }, { "source": "security@android.com", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://www.securityfocus.com/bid/94138" }, { "source": "security@android.com", "url": "http://www.ubuntu.com/usn/USN-3159-1" }, { "source": "security@android.com", "url": "http://www.ubuntu.com/usn/USN-3159-2" }, { "source": "security@android.com", "tags": [ "Issue Tracking" ], "url": "https://bugzilla.kernel.org/show_bug.cgi?id=116461" }, { "source": "security@android.com", "tags": [ "Issue Tracking" ], "url": "https://forums.grsecurity.net/viewtopic.php?f=3\u0026t=4363" }, { "source": "security@android.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "http://source.android.com/security/bulletin/2016-11-01.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes", "Vendor Advisory" ], "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://www.securityfocus.com/bid/94138" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-3159-1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-3159-2" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking" ], "url": "https://bugzilla.kernel.org/show_bug.cgi?id=116461" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking" ], "url": "https://forums.grsecurity.net/viewtopic.php?f=3\u0026t=4363" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3" } ], "sourceIdentifier": "security@android.com", "vulnStatus": "Deferred", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-362" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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