CVE-2019-19068

MEDIUM

Description

A memory leak in the rtl8xxxu_submit_int_urb() function in drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering usb_submit_urb() failures, aka CID-a2cdd07488e6.

References

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html

https://github.com/torvalds/linux/commit/a2cdd07488e666aa93a49a3fc9c9b1299e27ef3c

https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/

https://lists.fedoraproject.org/archives/list/[email protected]/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/

https://security.netapp.com/advisory/ntap-20191205-0001/

https://usn.ubuntu.com/4286-1/

https://usn.ubuntu.com/4286-2/

https://usn.ubuntu.com/4300-1/

https://usn.ubuntu.com/4301-1/

https://usn.ubuntu.com/4302-1/

Details

Source: MITRE

Published: 2019-11-18

Updated: 2020-05-04

Type: CWE-400

Risk Information

CVSS v2.0

Base Score: 4.9

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

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 4.6

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

Impact Score: 3.6

Exploitability Score: 0.9

Severity: MEDIUM