CVE-2019-17341

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

7.8

Vector

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

Exploitability: 1.1 / Impact: 6.0

Source: NVD

Description

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging a page-writability race condition during addition of a passed-through PCI device.

Affected (3)

Products: Xen: Xen · Debian: Debian Linux

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Xen Xen	Up 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-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (10)

http://www.openwall.com/lists/oss-security/2019/10/25/6

Source: cve@mitre.org

Mailing List

http://xenbits.xen.org/xsa/advisory-285.html

Source: cve@mitre.org

PatchVendor 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-285.html

Source: cve@mitre.org

Vendor Advisory

http://www.openwall.com/lists/oss-security/2019/10/25/6