fkie_cve-2016-10044
Vulnerability from fkie_nvd
Published
2017-02-07 07:59
Modified
2024-11-21 02:43
Severity ?
Summary
The aio_mount function in fs/aio.c in the Linux kernel before 4.7.7 does not properly restrict execute access, which makes it easier for local users to bypass intended SELinux W^X policy restrictions, and consequently gain privileges, via an io_setup system call.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
linux | linux_kernel | * | |
linux | linux_kernel | * | |
linux | linux_kernel | * | |
android | * |
{ configurations: [ { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", matchCriteriaId: "EE61EB40-EE9C-41E8-AC78-D38441DB9CF6", versionEndExcluding: "3.16.43", vulnerable: true, }, { criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", matchCriteriaId: "21856BF4-4072-4055-BA57-93D5C4608C07", versionEndExcluding: "4.4.24", versionStartIncluding: "3.17", vulnerable: true, }, { criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", matchCriteriaId: "004A2488-AD73-4B53-961A-EEA808A5183D", versionEndExcluding: "4.7.7", versionStartIncluding: "4.5", vulnerable: true, }, ], negate: false, operator: "OR", }, ], }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:o:google:android:*:*:*:*:*:*:*:*", matchCriteriaId: "0F11609D-D1B4-4DD6-8CC7-A224344E1E67", versionEndIncluding: "7.1.1", vulnerable: true, }, ], negate: false, operator: "OR", }, ], }, ], cveTags: [], descriptions: [ { lang: "en", value: "The aio_mount function in fs/aio.c in the Linux kernel before 4.7.7 does not properly restrict execute access, which makes it easier for local users to bypass intended SELinux W^X policy restrictions, and consequently gain privileges, via an io_setup system call.", }, { lang: "es", value: "La función aio_mount en fs/aio.c en el kernel de Linux en versiones anteriores a 4.7.7 no restringe adecuadamente el acceso de ejecución, lo que facilita a usuarios locales eludir restricciones de política destinadas SELinux W^X, y consecuentemente obtener privilegios, a través de una llamada de sistema io_setup.", }, ], id: "CVE-2016-10044", lastModified: "2024-11-21T02:43:09.190", metrics: { cvssMetricV2: [ { acInsufInfo: false, baseSeverity: "HIGH", cvssData: { accessComplexity: "LOW", accessVector: "LOCAL", authentication: "NONE", availabilityImpact: "COMPLETE", baseScore: 7.2, confidentialityImpact: "COMPLETE", integrityImpact: "COMPLETE", vectorString: "AV:L/AC:L/Au:N/C:C/I:C/A:C", version: "2.0", }, exploitabilityScore: 3.9, impactScore: 10, 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: "2017-02-07T07:59:00.293", 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=22f6b4d34fcf039c63a94e7670e0da24f8575a5a", }, { source: "security@android.com", tags: [ "Patch", "Third Party Advisory", ], url: "http://source.android.com/security/bulletin/2017-02-01.html", }, { source: "security@android.com", tags: [ "Release Notes", "Vendor Advisory", ], url: "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.7", }, { source: "security@android.com", tags: [ "Third Party Advisory", "VDB Entry", ], url: "http://www.securityfocus.com/bid/96122", }, { source: "security@android.com", tags: [ "Third Party Advisory", "VDB Entry", ], url: "http://www.securitytracker.com/id/1037798", }, { source: "security@android.com", tags: [ "Issue Tracking", "Patch", "Third Party Advisory", ], url: "https://github.com/torvalds/linux/commit/22f6b4d34fcf039c63a94e7670e0da24f8575a5a", }, { 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=22f6b4d34fcf039c63a94e7670e0da24f8575a5a", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Patch", "Third Party Advisory", ], url: "http://source.android.com/security/bulletin/2017-02-01.html", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Release Notes", "Vendor Advisory", ], url: "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.7", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Third Party Advisory", "VDB Entry", ], url: "http://www.securityfocus.com/bid/96122", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Third Party Advisory", "VDB Entry", ], url: "http://www.securitytracker.com/id/1037798", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Issue Tracking", "Patch", "Third Party Advisory", ], url: "https://github.com/torvalds/linux/commit/22f6b4d34fcf039c63a94e7670e0da24f8575a5a", }, ], sourceIdentifier: "security@android.com", vulnStatus: "Modified", weaknesses: [ { description: [ { lang: "en", value: "CWE-264", }, ], source: "nvd@nist.gov", type: "Primary", }, ], }
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Sightings
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Nomenclature
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