{"id":"CVE-2013-2224","aliases":["BELL-CVE-2013-2224","EUVD-2013-2177","GHSA-phqq-mhr3-p67h","RHSA-2013:1166","RHSA-2013:1173","RHSA-2013:1195","RHSA-2013:1450"],"status":"published","title":"A certain Red Hat patch for the Linux kernel 2.6.32 on Red Hat Enterprise Linux (RHEL) 6 allows...","description":"A certain Red Hat patch for the Linux kernel 2.6.32 on Red Hat Enterprise Linux (RHEL) 6 allows local users to cause a denial of service (invalid free operation and system crash) or possibly gain privileges via a sendmsg system call with the IP_RETOPTS option, as demonstrated by hemlock.c.  NOTE: this vulnerability exists because of an incorrect fix for CVE-2012-3552.","severity":{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00358,"percentile":0.29714,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2013-07-04T21:00:00Z","modified":"2026-06-28T10:08:41Z","affected":[{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-348.16.1.el5"}]}],"bundled":7},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-PAE","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-348.16.1.el5"}]}],"bundled":7},{"source":"osv","ecosystem":"Red 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