CVE-2019-19448

HIGH Year: 2019
CVSS v3 Score
7.8
High
CVSS v2 Score
6.8
Medium
Weakness Type
CWE-416
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Vulnerability Description

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.

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