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{"acknowledgement": "This issue was discovered by Wade Mealing (Red Hat Product Security).", "affected_release": [{"advisory": "RHSA-2017:0323", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-419.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2017-02-24T00:00:00Z"}, {"advisory": "RHSA-2017:0347", "cpe": "cpe:/o:redhat:rhel_mission_critical:5.6", "package": "kernel-0:2.6.18-238.58.1.el5", "product_name": "Red Hat Enterprise Linux 5.6 Long Life", "release_date": "2017-02-28T00:00:00Z"}, {"advisory": "RHSA-2017:0346", "cpe": "cpe:/o:redhat:rhel_aus:5.9", "package": "kernel-0:2.6.18-348.33.1.el5", "product_name": "Red Hat Enterprise Linux 5.9 Long Life", "release_date": "2017-02-28T00:00:00Z"}], "bugzilla": {"description": "kernel: dccp: crash while sending ipv6 reset packet", "id": "1424751", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1424751"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-476", "details": ["It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.", "It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system."], "name": "CVE-2017-2634", "package_state": [{"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"}], "public_date": "2017-02-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-2634\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-2634"], "statement": "This issue affects Red Hat Enterprise Linux 5 kernel.  This issue was fixed in a versions 6 and 7 prior to this issue being raised.\nFuture Linux kernel updates for Red Hat Enterprise Linux 5 may address this issue.", "threat_severity": "Moderate"}