CVE-2019-11599

Public on 2019-07-17
Modified on 2019-09-19
Description
A flaw was found in the Linux kernel where the coredump implementation does not use locking or other mechanisms to prevent vma layout or vma flags changes while it runs. This allows local users to obtain sensitive information, cause a denial of service (DoS), or possibly have unspecified other impact by triggering a race condition with mmget_not_zero or get_task_mm calls.
Severity
Medium
CVSS v3 Base Score
6.1
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 kernel 2019-07-18 17:16 ALAS2-2019-1232
Amazon Linux 1 kernel 2019-07-17 23:18 ALAS-2019-1232

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.1 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
NVD CVSSv2 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C
NVD CVSSv3 7.0 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H