CVE-2018-12232

Public on 2018-06-27
Modified on 2018-07-24
Description
A NULL pointer dereference issue was found in the Linux kernel. If the close() and fchownat() system calls share a socket file descriptor as an argument, then the two calls can race and trigger a NULL pointer dereference leading to a system crash and a denial of service.
Severity
Medium
CVSS v3 Base Score
5.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 kernel 2018-06-27 21:55 ALAS2-2018-1044
Amazon Linux 1 kernel 2018-06-27 21:53 ALAS-2018-1044

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C
NVD CVSSv3 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H