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{"bugzilla": {"description": "kernel: netfilter: Out-of-bounds write due to a signedness issue when defragmenting IPv6 packets", "id": "1400904", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1400904"}, "csaw": false, "cvss": {"cvss_base_score": "5.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "status": "draft"}, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "status": "draft"}, "cwe": "CWE-787", "details": ["The netfilter subsystem in the Linux kernel before 4.9 mishandles IPv6 reassembly, which allows local users to cause a denial of service (integer overflow, out-of-bounds write, and GPF) or possibly have unspecified other impact via a crafted application that makes socket, connect, and writev system calls, related to net/ipv6/netfilter/nf_conntrack_reasm.c and net/ipv6/netfilter/nf_defrag_ipv6_hooks.c.", "An attacker on a network could abuse a flaw in the IPv6 stack fragment reassembly code to induce kernel memory corruption on the system, possibly leading to a system crash."], "name": "CVE-2016-9755", "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": "2016-11-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-9755\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-9755"], "threat_severity": "Moderate"}