The fix for CVE-2019-11599, affecting the Linux kernel before 5.0.10 was not complete. A local user could use this flaw to obtain sensitive information, cause a denial of service, or possibly have other unspecified impacts by triggering a race condition with mmget_not_zero or get_task_mm calls.
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.37
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14898
https://bugs.chromium.org/p/project-zero/issues/detail?id=1790
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.114
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.10
Source: MITRE
Published: 2020-05-08
Updated: 2021-06-14
Type: CWE-362
Base Score: 6.9
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.4
Severity: MEDIUM
Base Score: 7
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1
Severity: HIGH