CVE-2019-17340

Published: Oct 8, 2019Modified: Jun 17, 2026

8.8

Vector

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

Exploitability: 2.0 / Impact: 6.0

Source: NVD

Description

An issue was discovered in Xen through 4.11.x allowing x86 guest OS users to cause a denial of service or gain privileges because grant-table transfer requests are mishandled.

Affected (3)

Products: Xen: Xen · Debian: Debian Linux

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Xen Xen	From 3.2.0 to 4.11.2

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 10.0
Debian Debian Linux	Version 9.0

Related CWEs

CWE-401

Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

References (10)

http://www.openwall.com/lists/oss-security/2019/10/25/1

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://xenbits.xen.org/xsa/advisory-284.html

Source: cve@mitre.org

Vendor Advisory

https://seclists.org/bugtraq/2020/Jan/21

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://www.debian.org/security/2020/dsa-4602

Source: cve@mitre.org

Third Party Advisory

https://xenbits.xen.org/xsa/advisory-284.html

Source: cve@mitre.org

Vendor Advisory

http://www.openwall.com/lists/oss-security/2019/10/25/1