CVE-2019-20811

medium

Description

An issue was discovered in the Linux kernel before 5.0.6. In rx_queue_add_kobject() and netdev_queue_add_kobject() in net/core/net-sysfs.c, a reference count is mishandled, aka CID-a3e23f719f5c.

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a3e23f719f5c4a38ffb3d30c8d7632a4ed8ccd9e

https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html

https://usn.ubuntu.com/4527-1/

https://www.debian.org/security/2020/dsa-4698

Details

Source: MITRE

Published: 2020-06-03

Updated: 2020-09-23

Risk Information

CVSS v2

Base Score: 2.1

Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM