CVE-2011-1833

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function in fs/ecryptfs/main.c in the eCryptfs subsystem in the Linux kernel before 3.1 allows local users to bypass intended file permissions via a mount.ecryptfs_private mount with a mismatched uid."}, {"lang": "es", "value": "Condici\u00f3n de carrera en la funci\u00f3n ecryptfs_mount en fs/ecryptfs/main.c en el subsistema eCryptfs en el Kernel de Linux anteriores a v3.1 permite a usuarios locales evitar los permisos de ficheros impuestos a trav\u00e9s de montar una unidad con mount.ecryptfs_private con un uid que no coincide."}], "id": "CVE-2011-1833", "lastModified": "2026-06-16T23:30:12.507", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 3.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-10-03T11:02:55.940", "references": [{"source": "security@ubuntu.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=764355487ea220fdc2faf128d577d7f679b91f97"}, {"source": "security@ubuntu.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00009.html"}, {"source": "security@ubuntu.com", "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1"}, {"source": "security@ubuntu.com", "url": "http://www.ubuntu.com/usn/USN-1188-1"}, {"source": "security@ubuntu.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=731172"}, {"source": "security@ubuntu.com", "tags": ["Exploit", "Patch"], "url": "https://github.com/torvalds/linux/commit/764355487ea220fdc2faf128d577d7f679b91f97"}, {"source": 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{"acknowledgement": "Red Hat would like to thank Ubuntu Security Team for reporting this issue.", "affected_release": [{"advisory": "RHSA-2011:1386", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-274.7.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-10-20T00:00:00Z"}, {"advisory": "RHSA-2011:1350", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-131.17.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-10-05T00:00:00Z"}], "bugzilla": {"description": "kernel: ecryptfs: mount source TOCTOU race", "id": "731172", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=731172"}, "csaw": false, "cvss": {"cvss_base_score": "3.3", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:P/I:P/A:N", "status": "verified"}, "cwe": "CWE-367", "details": ["Race condition in the ecryptfs_mount function in fs/ecryptfs/main.c in the eCryptfs subsystem in the Linux kernel before 3.1 allows local users to bypass intended file permissions via a mount.ecryptfs_private mount with a mismatched uid."], "name": "CVE-2011-1833", "package_state": [{"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2011-08-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-1833\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-1833"], "threat_severity": "Moderate"}

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