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{"acknowledgement": "Red Hat would like to thank Carl H Lunde for reporting this issue.", "bugzilla": {"description": "Kernel: fs: udf: information leakage when reading symlink", "id": "1228220", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1228220"}, "csaw": false, "cvss": {"cvss_base_score": "1.9", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:P/I:N/A:N", "status": "draft"}, "cwe": "CWE-200", "details": ["The UDF filesystem implementation in the Linux kernel before 3.18.2 does not ensure that space is available for storing a symlink target's name along with a trailing \\0 character, which allows local users to obtain sensitive information via a crafted filesystem image, related to fs/udf/symlink.c and fs/udf/unicode.c.", "A path length checking flaw was found in Linux kernels built with UDF file system (CONFIG_UDF_FS) support. An attacker able to mount a corrupted/malicious UDF file system image could use this flaw to leak kernel memory to user-space."], "mitigation": {"lang": "en:us", "value": "The UDF filesystem is enabled via loading the UDF kernel module. The kernel module can be prevented from loading via blacklisting see https://access.redhat.com/solutions/41278 for more information."}, "name": "CVE-2014-9731", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Will not fix", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2014-12-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-9731\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-9731"], "statement": "This issue affects the versions of the Linux kernel as shipped with\nRed Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.", "threat_severity": "Low"}

{}