{"id":"CVE-2019-11487","details":"The Linux kernel before 5.1-rc5 allows page-\u003e_refcount reference count overflow, with resultant use-after-free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c, include/linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c, mm/gup.c, and mm/hugetlb.c. It can occur with FUSE requests.","modified":"2026-03-15T22:29:09.731313Z","published":"2019-04-23T22:29:05.367Z","related":["SUSE-SU-2019:1529-1","SUSE-SU-2019:1530-1","SUSE-SU-2019:1535-1","SUSE-SU-2019:1536-1","SUSE-SU-2019:1550-1","SUSE-SU-2019:1581-1","SUSE-SU-2019:1588-1","SUSE-SU-2019:1668-1","SUSE-SU-2019:1671-1","SUSE-SU-2019:1674-1","SUSE-SU-2019:1767-1","SUSE-SU-2019:1768-1","SUSE-SU-2019:1823-1","SUSE-SU-2019:1823-2","SUSE-SU-2019:1852-1","SUSE-SU-2019:1870-1","SUSE-SU-2019:2430-1","SUSE-SU-2019:2821-1","openSUSE-SU-2019:1571-1","openSUSE-SU-2019:1579-1"],"references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190517-0005/"},{"type":"ADVISORY","url":"https://support.f5.com/csp/article/K14255532"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/108054"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2741"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4069-2/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2703"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4069-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4115-1/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/04/29/1"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0174"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4118-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4145-1/"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpuApr2021.html"},{"type":"FIX","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f958d7b528b1b40c44cfda5eabe2d82760d868c3"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/8fde12ca79aff9b5ba951fce1a2641901b8d8e64"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/6b3a707736301c2128ca85ce85fb13f60b5e350a"},{"type":"FIX","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8fde12ca79aff9b5ba951fce1a2641901b8d8e64"},{"type":"FIX","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15fab63e1e57be9fdb5eec1bbc5916e9825e9acb"},{"type":"FIX","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=88b1a17dfc3ed7728316478fae0f5ad508f50397"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/88b1a17dfc3ed7728316478fae0f5ad508f50397"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/15fab63e1e57be9fdb5eec1bbc5916e9825e9acb"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/f958d7b528b1b40c44cfda5eabe2d82760d868c3"},{"type":"FIX","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b3a707736301c2128ca85ce85fb13f60b5e350a"},{"type":"EVIDENCE","url":"https://lwn.net/Articles/786044/"},{"type":"EVIDENCE","url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1752"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"4.4.216"}]},{"events":[{"introduced":"4.5"},{"fixed":"4.9.181"}]},{"events":[{"introduced":"4.10"},{"fixed":"4.14.116"}]},{"events":[{"introduced":"4.15"},{"fixed":"4.19.39"}]},{"events":[{"introduced":"4.20"},{"fixed":"5.0.12"}]},{"events":[{"introduced":"0"},{"last_affected":"5.1-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"5.1-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"5.1-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"5.1-rc4"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"19.04"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11487.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}