CVE-2019-17348: Input Validation
First published: Tue Oct 08 2019(Updated: )
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service because of an incompatibility between Process Context Identifiers (PCID) and shadow-pagetable switching.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen Xen | <=4.11.2 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| debian/xen | 4.11.4+107-gef32c7afa2-1 4.14.6-1 4.14.5+94-ge49571868d-1 4.17.2+76-ge1f9cb16e2-1~deb12u1 4.17.2+76-ge1f9cb16e2-1 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-17348?
CVE-2019-17348 is a vulnerability in Xen that allows x86 PV guest OS users to cause a denial of service.
How does CVE-2019-17348 affect Xen?
CVE-2019-17348 affects Xen versions up to 4.11.x and can be exploited by x86 PV guest OS users to cause a denial of service.
What is the severity of CVE-2019-17348?
CVE-2019-17348 has a severity rating of moderate.
How can I fix CVE-2019-17348?
To fix CVE-2019-17348, you should update Xen to version 4.11.4+107-gef32c7afa2-1 or later.
Where can I find more information about CVE-2019-17348?
You can find more information about CVE-2019-17348 on the official Xen advisory page: https://xenbits.xen.org/xsa/advisory-294.html
- collector/nvd-index
- collector/security-tracker-debian
- agent/weakness
- agent/author
- agent/event
- agent/references
- agent/severity
- agent/type
- agent/description
- agent/remedy
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/xen
- canonical/xen xen
- version/xen xen/4.11.2
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- package-manager/debian