CVE-2019-19448

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…

published December 8, 2019

CVSS
—
EPSS
2%
Percentile
81.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02143 · 81.9th percentile
Published
2019-12-08T01:01Z
EPSS history
Timeline
  • 08 DEC 01:01Z
    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…
    cvelistv5