CVE-2013-1957

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "53B3256C-E89F-417D-8852-98994504C2A4", "versionEndIncluding": "3.8.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:*", "matchCriteriaId": "1A6E41FB-38CE-49F2-B796-9A5AA648E73F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*", "matchCriteriaId": "93523FE1-5993-46CB-9299-7C8C1A04E873", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.8.2:*:*:*:*:*:*:*", "matchCriteriaId": "27ADC356-6BE9-43A3-9E0B-393DC4B1559A", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.8.3:*:*:*:*:*:*:*", "matchCriteriaId": "4F543D23-1774-4D14-A7D1-AD49EDEA94DD", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.8.4:*:*:*:*:*:*:*", "matchCriteriaId": "FC323F58-CA00-4C3C-BA4D-CC2C0A6E5F43", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The clone_mnt function in fs/namespace.c in the Linux kernel before 3.8.6 does not properly restrict changes to the MNT_READONLY flag, which allows local users to bypass an intended read-only property of a filesystem by leveraging a separate mount namespace."}, {"lang": "es", "value": "La funci\u00f3n clone_mnt en fs/namespace.c en el kernel Linux antes de v3.8.6 no restringe adecuadamente los cambios en la bandera MNT_READONLY, lo que permite a usuarios locales eludir una propiedad de s\u00f3lo lectura prevista de un sistema de archivos mediante el aprovechamiento de un espacio de montaje por separado."}], "id": "CVE-2013-1957", "lastModified": "2026-06-16T23:52:28.390", "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": false}]}, "published": "2013-04-24T19:55:01.043", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=132c94e31b8bca8ea921f9f96a57d684fa4ae0a9"}, {"source": "secalert@redhat.com", "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2013/04/16/11"}, {"source": "secalert@redhat.com", "url": "https://github.com/torvalds/linux/commit/132c94e31b8bca8ea921f9f96a57d684fa4ae0a9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=132c94e31b8bca8ea921f9f96a57d684fa4ae0a9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2013/04/16/11"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/torvalds/linux/commit/132c94e31b8bca8ea921f9f96a57d684fa4ae0a9"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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