{"id":"CVE-2019-9857","aliases":["BELL-CVE-2019-9857","DEBIAN-CVE-2019-9857","EUVD-2019-19213","GHSA-p54v-5qqx-fv5f","UBUNTU-CVE-2019-9857"],"status":"published","title":"In the Linux kernel through 5.0.2, the function inotify_update_existing_watch() in fs/notify...","description":"In the Linux kernel through 5.0.2, the function inotify_update_existing_watch() in fs/notify/inotify/inotify_user.c neglects to call fsnotify_put_mark() with IN_MASK_CREATE after fsnotify_find_mark(), which will cause a memory leak (aka refcount leak). Finally, this will cause a denial of service.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00417,"percentile":0.36322,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-401"],"published":"2019-03-18T15:02:13Z","modified":"2026-09-21T07:03:26Z","fixes":[{"ecosystem":"Debian:12","package":"linux","fixed_in":["4.19.37-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"linux","fixed_in":["4.19.37-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"linux","fixed_in":["4.19.37-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.19.37-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.19.37-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.19.37-1"}]}]}],"products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"https://patchwork.kernel.org/patch/10836283/","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix","report"]},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git/commit/?h=fsnotify\u0026id=62c9d2674b31d4c8a674bee86b7edc6da2803aea","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"http://www.securityfocus.com/bid/107527","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20190404-0002/","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NXLZ2V2ES37A3J7DMK4MZYIWV2LEZFLM/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PPH3B7FJOMWD5JWUPZKB6T44KNT4PX2L/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9857"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NXLZ2V2ES37A3J7DMK4MZYIWV2LEZFLM/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PPH3B7FJOMWD5JWUPZKB6T44KNT4PX2L/"},{"url":"https://github.com/advisories/GHSA-p54v-5qqx-fv5f"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2019-9857","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-9857","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-9857","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-9857","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-9857","description":"In the Linux kernel through 5.0.2, the function inotify_update_existing_watch() in fs/notify/inotify/inotify_user.c neglects to call fsnotify_put_mark() with IN_MASK_CREATE after fsnotify_find_mark(), which will cause a memory leak (aka refcount leak). Finally, this will cause a denial of service.","status":"published","published":"2019-03-18T15:02:13Z","modified":"2024-08-04T22:01:54.967Z","updated_at":"2026-11-02T14:20:20.397093Z"}],"euvd":[{"id":"EUVD-2019-19213","description":"In the Linux kernel through 5.0.2, the function inotify_update_existing_watch() in fs/notify/inotify/inotify_user.c neglects to call fsnotify_put_mark() with IN_MASK_CREATE after fsnotify_find_mark(), which will cause a memory leak (aka refcount leak). Finally, this will cause a denial of service.","status":"published","published":"2019-03-18T15:02:13Z","modified":"2024-08-04T22:01:54Z","updated_at":"2026-11-03T02:40:55.125862Z"}],"ghsa":[{"id":"GHSA-p54v-5qqx-fv5f","title":"In the Linux kernel through 5.0.2, the function inotify_update_existing_watch() in fs/notify...","description":"In the Linux kernel through 5.0.2, the function inotify_update_existing_watch() in fs/notify/inotify/inotify_user.c neglects to call fsnotify_put_mark() with IN_MASK_CREATE after fsnotify_find_mark(), which will cause a memory leak (aka refcount leak). Finally, this will cause a denial of service.","status":"published","published":"2022-05-13T01:23:07Z","modified":"2023-02-01T05:07:19Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:50:31.141675Z"}],"nvd":[{"id":"CVE-2019-9857","description":"In the Linux kernel through 5.0.2, the function inotify_update_existing_watch() in fs/notify/inotify/inotify_user.c neglects to call fsnotify_put_mark() with IN_MASK_CREATE after fsnotify_find_mark(), which will cause a memory leak (aka refcount leak). Finally, this will cause a denial of service.","status":"published","published":"2019-03-21T16:01:17.377Z","modified":"2026-06-17T02:44:44.14Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:05:09.523883Z"}],"osv":[{"id":"BELL-CVE-2019-9857","title":"CVE-2019-9857 does not affect BellSoft software","status":"withdrawn","published":"2019-03-21T16:01:00Z","modified":"2026-01-26T09:47:49.847011Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:15.340685Z"},{"id":"CVE-2019-9857","description":"In the Linux kernel through 5.0.2, the function inotify_update_existing_watch() in fs/notify/inotify/inotify_user.c neglects to call fsnotify_put_mark() with IN_MASK_CREATE after fsnotify_find_mark(), which will cause a memory leak (aka refcount leak). Finally, this will cause a denial of service.","status":"published","published":"2019-03-21T16:01:17.377Z","modified":"2026-03-15T14:05:30.810403Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:13.492058Z"},{"id":"DEBIAN-CVE-2019-9857","description":"In the Linux kernel through 5.0.2, the function inotify_update_existing_watch() in fs/notify/inotify/inotify_user.c neglects to call fsnotify_put_mark() with IN_MASK_CREATE after fsnotify_find_mark(), which will cause a memory leak (aka refcount leak). Finally, this will cause a denial of service.","status":"published","published":"2019-03-21T16:01:17.377Z","modified":"2026-09-21T07:03:26.572119684Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:32.57265Z"},{"id":"UBUNTU-CVE-2019-9857","description":"In the Linux kernel through 5.0.2, the function inotify_update_existing_watch() in fs/notify/inotify/inotify_user.c neglects to call fsnotify_put_mark() with IN_MASK_CREATE after fsnotify_find_mark(), which will cause a memory leak (aka refcount leak). Finally, this will cause a denial of service.","status":"withdrawn","published":"2019-03-21T16:01:00Z","modified":"2025-07-16T08:14:48.329176Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:22.212782Z"}]}}
