In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted...
Moderate severity
Unreviewed
Published
May 24, 2022
to the GitHub Advisory Database
•
Updated Feb 27, 2023
Description
Published by the National Vulnerability Database
Dec 8, 2019
Published to the GitHub Advisory Database
May 24, 2022
Last updated
Feb 27, 2023
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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