An issue was discovered in the Linux kernel before 5.1.8. There is a NULL pointer dereference caused by a malicious USB device in the drivers/usb/misc/sisusbvga/sisusb.c driver.
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.8
https://syzkaller.appspot.com/bug?id=aaf6794922521df1c35c81e32cb2d0bb6a351e7b
http://www.openwall.com/lists/oss-security/2019/08/20/2
http://www.openwall.com/lists/oss-security/2019/08/22/3
http://www.openwall.com/lists/oss-security/2019/08/22/2
http://www.openwall.com/lists/oss-security/2019/08/22/4
http://www.openwall.com/lists/oss-security/2019/08/22/5
https://security.netapp.com/advisory/ntap-20190905-0002/
https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html
https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html
Source: MITRE
Published: 2019-08-19
Updated: 2023-03-03
Type: CWE-476
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
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