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{"affected_release": [{"advisory": "RHSA-2011:1465", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-131.21.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-11-22T00:00:00Z"}, {"advisory": "RHSA-2012:0010", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-0:2.6.33.9-rt31.79.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2012-01-10T00:00:00Z"}], "bugzilla": {"description": "kernel: wrong headroom check in udp6_ufo_fragment()", "id": "755584", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=755584"}, "csaw": false, "cvss": {"cvss_base_score": "7.1", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "status": "verified"}, "cwe": "CWE-119", "details": ["The udp6_ufo_fragment function in net/ipv6/udp.c in the Linux kernel before 2.6.39, when a certain UDP Fragmentation Offload (UFO) configuration is enabled, allows remote attackers to cause a denial of service (system crash) by sending fragmented IPv6 UDP packets to a bridge device."], "name": "CVE-2011-4326", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2011-03-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-4326\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4326"], "statement": "This issue did not affect the versions of Linux kernel as shipped with Red Hat\nEnterprise Linux 4 and 5 as they did not provide support for UDP Fragmentation Offload (UFO) functionality. This has been addressed in Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-1465.html, and https://rhn.redhat.com/errata/RHSA-2012-0010.html.", "threat_severity": "Important"}