{"cve":"CVE-2019-19813","nvd":{"published":"2019-12-17T06:15:12.780","modified":"2026-06-17T02:27:16.970","status":"Modified","description":"In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in __mutex_lock in kernel/locking/mutex.c. This is related to mutex_can_spin_on_owner in kernel/locking/mutex.c, __btrfs_qgroup_free_meta in fs/btrfs/qgroup.c, and btrfs_insert_delayed_items in fs/btrfs/delayed-inode.c.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-416"],"references":["https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19813","https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html","https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html","https://security.netapp.com/advisory/ntap-20200103-0001/","https://usn.ubuntu.com/4414-1/"],"products":["canonical:ubuntu_linux","debian:debian_linux","linux:linux_kernel","netapp:active_iq_unified_manager","netapp:aff_a400_firmware","netapp:aff_a700s_firmware","netapp:data_availability_services","netapp:fas8300_firmware","netapp:fas8700_firmware","netapp:h610s_firmware","netapp:hci_management_node","netapp:solidfire","netapp:steelstore_cloud_integrated_storage"],"source":"nvd","synced_at":"2026-10-19T20:59:27.069234358+00:00"},"epss":{"cve":"CVE-2019-19813","score":0.02129,"percentile":0.81953,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}