{"id":"CVE-2011-5321","details":"The tty_open function in drivers/tty/tty_io.c in the Linux kernel before 3.1.1 mishandles a driver-lookup failure, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via crafted access to a device file under the /dev/pts directory.","modified":"2026-04-10T03:42:09.061166Z","published":"2016-05-02T10:59:02Z","references":[{"type":"ADVISORY","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c290f8358acaeffd8e0c551ddcc24d1206143376"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-1221.html"},{"type":"ADVISORY","url":"https://github.com/torvalds/linux/commit/c290f8358acaeffd8e0c551ddcc24d1206143376"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1201887"},{"type":"WEB","url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.1"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2015/03/13/17"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}