CVE-2019-19813
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2019-19813
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-19813.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2019-19813
- Downstream
- Published
- 2019-12-17T06:15:12Z
- Modified
- 2025-08-09T20:01:28Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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 _mutexlock in kernel/locking/mutex.c. This is related to mutexcanspinonowner in kernel/locking/mutex.c, _btrfsqgroupfreemeta in fs/btrfs/qgroup.c, and btrfsinsertdelayed_items in fs/btrfs/delayed-inode.c.
- References