Vulnerability Description
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service by leveraging a long-running operation that exists to support restartability of PTE updates.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | <= 4.11.2 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2019/10/25/3Mailing ListThird Party Advisory
- http://xenbits.xen.org/xsa/advisory-290.htmlVendor Advisory
- https://seclists.org/bugtraq/2020/Jan/21Mailing ListThird Party Advisory
- https://www.debian.org/security/2020/dsa-4602Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-290.htmlMitigationPatchVendor Advisory
- http://www.openwall.com/lists/oss-security/2019/10/25/3Mailing ListThird Party Advisory
- http://xenbits.xen.org/xsa/advisory-290.htmlVendor Advisory
- https://seclists.org/bugtraq/2020/Jan/21Mailing ListThird Party Advisory
- https://www.debian.org/security/2020/dsa-4602Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-290.htmlMitigationPatchVendor Advisory
FAQ
What is CVE-2019-17344?
CVE-2019-17344 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service by leveraging a long-running operation that exists to support restartability of PTE updates.
How severe is CVE-2019-17344?
CVE-2019-17344 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-17344?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen, Debian Debian Linux.