CVE-2019-19377 Information

Description

In the Linux kernel 5.0.21 mounting a crafted btrfs filesystem image performing some operations and unmounting can lead to a use-after-free in btrfs_queue_work in fs/btrfs/async-thread.c.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19377 https://security.netapp.com/advisory/ntap-20200103-0001/ https://usn.ubuntu.com/4367-1/ https://usn.ubuntu.com/4369-1/ https://usn.ubuntu.com/4414-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8