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{"acknowledgement": "This issue was discovered by Milo\u0161 Prchl\u00edk (Red Hat).", "bugzilla": {"description": "kernel: aarch64: copying from /dev/zero causes local DoS", "id": "1163744", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1163744"}, "csaw": false, "cvss": {"cvss_base_score": "4.0", "cvss_scoring_vector": "AV:L/AC:H/Au:N/C:N/I:N/A:C", "status": "draft"}, "cwe": "CWE-390", "details": ["The __clear_user function in arch/arm64/lib/clear_user.S in the Linux kernel before 3.17.4 on the ARM64 platform allows local users to cause a denial of service (system crash) by reading one byte beyond a /dev/zero page boundary."], "name": "CVE-2014-7843", "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:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2014-11-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-7843\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-7843"], "statement": "Not vulnerable.\nThis issue does not affect the Linux kernel packages as shipped with Red Hat\nEnterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.", "threat_severity": "Moderate"}