{"id":"UBUNTU-CVE-2011-2492","details":"The bluetooth subsystem in the Linux kernel before 3.0-rc4 does not properly initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel memory via a crafted getsockopt system call, related to (1) the l2cap_sock_getsockopt_old function in net/bluetooth/l2cap_sock.c and (2) the rfcomm_sock_getsockopt_old function in net/bluetooth/rfcomm/sock.c.","modified":"2026-02-04T03:55:33.280590Z","published":"2011-07-28T00:00:00Z","withdrawn":"2025-07-18T16:42:42Z","related":["USN-1189-1","USN-1201-1","USN-1202-1","USN-1203-1","USN-1204-1","USN-1205-1","USN-1208-1","USN-1211-1","USN-1212-1","USN-1216-1","USN-1218-1","USN-1256-1"],"upstream":["CVE-2011-2492"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2011-2492"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1189-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1202-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1205-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1201-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1204-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1203-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1208-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1212-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1211-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1216-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1218-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1256-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2011-2492"}],"affected":[{"package":{"name":"linux","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/linux@3.11.0-12.19?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.0-12.19"}]}],"ecosystem_specific":{"availability":"No 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