{ "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2017-18344", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The timer_create syscall implementation in kernel/time/posix-timers.c in the Linux kernel before 4.14.8 doesn't properly validate the sigevent->sigev_notify field, which leads to out-of-bounds access in the show_timer function (called when /proc/$PID/timers is read). This allows userspace applications to read arbitrary kernel memory (on a kernel built with CONFIG_POSIX_TIMERS and CONFIG_CHECKPOINT_RESTORE)." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "RHSA-2018:3540", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:3540" }, { "name": "RHSA-2018:3083", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:3083" }, { "name": "RHSA-2018:3591", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:3591" }, { "name": "RHSA-2018:3459", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:3459" }, { "name": "1041414", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1041414" }, { "name": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8", "refsource": "MISC", "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8" }, { "name": "RHSA-2018:3590", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:3590" }, { "name": "RHSA-2018:2948", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:2948" }, { "name": "https://github.com/torvalds/linux/commit/cef31d9af908243421258f1df35a4a644604efbe", "refsource": "MISC", "url": "https://github.com/torvalds/linux/commit/cef31d9af908243421258f1df35a4a644604efbe" }, { "name": "USN-3742-2", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/3742-2/" }, { "name": "104909", "refsource": "BID", "url": "http://www.securityfocus.com/bid/104909" }, { "name": "USN-3742-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/3742-1/" }, { "name": "RHSA-2018:3586", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:3586" }, { "name": "45175", "refsource": "EXPLOIT-DB", "url": "https://www.exploit-db.com/exploits/45175/" }, { "name": "RHSA-2018:3096", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:3096" } ] } }