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{"bugzilla": {"description": "kernel: unsharing MNT_LOCKED mount can expose files beneath the mount.", "id": "1226751", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1226751"}, "csaw": false, "cvss": {"cvss_base_score": "2.6", "cvss_scoring_vector": "AV:L/AC:H/Au:N/C:P/I:P/A:N", "status": "draft"}, "cwe": "CWE-552", "details": ["fs/namespace.c in the Linux kernel before 4.0.2 processes MNT_DETACH umount2 system calls without verifying that the MNT_LOCKED flag is unset, which allows local users to bypass intended access restrictions and navigate to filesystem locations beneath a mount by calling umount2 within a user namespace.", "It was found that unsharing a mount namespace could allow a user to see data beneath their restricted namespace."], "name": "CVE-2014-9717", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2014-10-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-9717\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-9717"], "statement": "This issue does not affect the Linux kernels as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.", "threat_severity": "Low"}