In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in try_merge_free_space in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the pointer to a right data structure.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-12-08T01:01:04

Updated: 2024-08-05T02:16:47.095Z

Reserved: 2019-11-29T00:00:00

Link: CVE-2019-19448

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2019-12-08T02:15:09.907

Modified: 2023-10-03T15:39:10.637

Link: CVE-2019-19448

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-12-10T00:00:00Z

Links: CVE-2019-19448 - Bugzilla