{"id":"UBUNTU-CVE-2013-1819","details":"The _xfs_buf_find function in fs/xfs/xfs_buf.c in the Linux kernel before 3.7.6 does not validate block numbers, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging the ability to mount an XFS filesystem containing a metadata inode with an invalid extent map.","modified":"2026-02-04T03:53:28.341619Z","published":"2013-03-06T00:00:00Z","withdrawn":"2025-07-18T16:42:50Z","related":["USN-1968-1","USN-1969-1","USN-1970-1","USN-1972-1","USN-1973-1","USN-1975-1"],"upstream":["CVE-2013-1819"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2013-1819"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2013/03/05/9"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=918009"},{"type":"REPORT","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=eb178619f930fa2ba2348de332a1ff1c66a31424"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1968-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1969-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1970-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1972-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1973-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-1975-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2013-1819"}],"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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