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{"acknowledgement": "Red Hat would like to thank Carl H Lunde for reporting this issue.", "bugzilla": {"description": "Kernel: fs: udf: heap overflow in __udf_adinicb_readpage", "id": "1228229", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1228229"}, "csaw": false, "cvss": {"cvss_base_score": "5.4", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:N/I:P/A:C", "status": "draft"}, "cwe": "CWE-122", "details": ["The udf_pc_to_char function in fs/udf/symlink.c in the Linux kernel before 3.18.2 relies on component lengths that are unused, which allows local users to cause a denial of service (system crash) via a crafted UDF filesystem image.", "A symlink size validation was missing in Linux kernels built with UDF file system (CONFIG_UDF_FS) support, allowing the corruption of kernel memory. An attacker able to mount a corrupted/malicious UDF file system image could cause the kernel to crash."], "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-2014-9730", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2014-12-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-9730\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-9730"], "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": "Moderate"}