CVE-2019-20811
kernel: net-sysfs: *_queue_add_kobject refcount issue
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 19, 2019
Updated · June 28, 2026
Description
A flaw was found in the way the rx_queue_add_kobject and netdev_queue_add_kobject functions in the Linux kernel handled refcounting of certain objects. This flaw allows a local user who can trigger the error code path to use this vulnerability to disturb the integrity of the system.
Statement
This issue is rated as having Low impact because of the preconditions needed to trigger the error code path (privileges).
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
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE-460 · Improper Cleanup on Thrown Exception