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{"acknowledgement": "Red Hat would like to thank Andy Lutomirski and Nadav Amit for reporting this issue.", "bugzilla": {"description": "kernel: kvm: NULL pointer dereference during rip relative instruction emulation", "id": "1156615", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1156615"}, "csaw": false, "cvss": {"cvss_base_score": "6.1", "cvss_scoring_vector": "AV:A/AC:L/Au:N/C:N/I:N/A:C", "status": "draft"}, "cwe": "CWE-476", "details": ["The instruction decoder in arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel before 3.18-rc2 does not properly handle invalid instructions, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) via a crafted application that triggers (1) an improperly fetched instruction or (2) an instruction that occupies too many bytes. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8480."], "name": "CVE-2014-8481", "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:5", "fix_state": "Not affected", "package_name": "kvm", "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": "2014-10-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-8481\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-8481"], "statement": "These issues do not affect Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.\nThese issues do not affect kvm packages as shipped with Red Hat Enterprise Linux 5.", "threat_severity": "Important"}