CVE-2020-25285

Public on 2020-09-28
Modified on 2020-10-27
Description
A flaw was found in the Linux kernels sysctl handling code for hugepages management. When multiple root level processes would write to modify the /proc/sys/vm/nr_hugepages file it could create a race on internal variables leading to a system crash or memory corruption.
Severity
Medium
CVSS v3 Base Score
6.4
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 kernel 2020-09-28 20:57 ALAS2-2020-1495
Amazon Linux 1 kernel 2020-10-26 18:08 ALAS-2020-1437

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 4.4 AV:L/AC:M/Au:N/C:P/I:P/A:P
NVD CVSSv3 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H