Vulnerability 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 incorrect use of the HVM physmap concept for PV domains.
CVSS Score
6.8
MEDIUM
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/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/2019/10/25/10Mailing ListThird Party Advisory
- http://xenbits.xen.org/xsa/advisory-288.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-288.htmlVendor Advisory
- http://www.openwall.com/lists/oss-security/2019/10/25/10Mailing ListThird Party Advisory
- http://xenbits.xen.org/xsa/advisory-288.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-288.htmlVendor Advisory
FAQ
What is CVE-2019-17343?
CVE-2019-17343 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 incorrect use of the HVM physmap concept for PV domains.
How severe is CVE-2019-17343?
CVE-2019-17343 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-17343?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen, Debian Debian Linux.