CVE-2019-11599
kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · April 19, 2019
Updated · June 28, 2026
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 6.1CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
CWE-820 · Missing Synchronization