CVE-2019-19770

Public on 2020-12-08
Modified on 2021-01-13
Description
A use-after-free flaw was found in the debugfs_remove function in the Linux kernel. The flaw could allow a local attacker with special user (or root) privilege to crash the system at the time of file or directory removal. This vulnerability can lead to a kernel information leak. The highest threat from this vulnerability is to system availability.
Severity
Medium
CVSS v3 Base Score
5.1
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 kernel 2020-12-08 20:55 ALAS2-2020-1566
Amazon Linux 1 kernel 2021-01-12 22:51 ALAS-2021-1461

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
NVD CVSSv2 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P
NVD CVSSv3 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H