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{"acknowledgement": "Red Hat would like to thank Li Qiang (Qihoo 360) for reporting this issue.", "bugzilla": {"description": "kernel: Reference counter leak in ipxitf_ioctl resulting into use after free", "id": "1447734", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1447734"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.6", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["The ipxitf_ioctl function in net/ipx/af_ipx.c in the Linux kernel through 4.11.1 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a failed SIOCGIFADDR ioctl call for an IPX interface.", "A reference counter leak in Linux kernel in ipxitf_ioctl function was found which results in a use after free vulnerability that's triggerable from unprivileged userspace when IPX interface is configured."], "name": "CVE-2017-7487", "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"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2017-05-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-7487\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7487"], "statement": "This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2 as the code with the flaw is not shipped with the products listed.", "threat_severity": "Low"}