CVE-2019-17351

MEDIUM

Description

An issue was discovered in drivers/xen/balloon.c in the Linux kernel before 5.2.3, as used in Xen through 4.12.x, allowing guest OS users to cause a denial of service because of unrestricted resource consumption during the mapping of guest memory, aka CID-6ef36ab967c7.

References

http://www.openwall.com/lists/oss-security/2019/10/25/9

http://xenbits.xen.org/xsa/advisory-300.html

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3

https://github.com/torvalds/linux/commit/6ef36ab967c71690ebe7e5ef997a8be4da3bc844

https://security.netapp.com/advisory/ntap-20191031-0005/

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

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

https://xenbits.xen.org/xsa/advisory-300.html

Details

Source: MITRE

Published: 2019-10-08

Updated: 2020-08-24

Type: CWE-770

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: 6.5

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

Impact Score: 4

Exploitability Score: 2

Severity: MEDIUM