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 a race condition that arose when XENMEM_exchange was introduced.
CVSS Score
7.0
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/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/2019/10/25/2Mailing List
- http://xenbits.xen.org/xsa/advisory-287.htmlPatchVendor 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-287.htmlVendor Advisory
- http://www.openwall.com/lists/oss-security/2019/10/25/2Mailing List
- http://xenbits.xen.org/xsa/advisory-287.htmlPatchVendor 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-287.htmlVendor Advisory
FAQ
What is CVE-2019-17342?
CVE-2019-17342 is a vulnerability with a CVSS score of 7.0 (HIGH). 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 race condition that arose when XENMEM_exchange was introduc...
How severe is CVE-2019-17342?
CVE-2019-17342 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-17342?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen, Debian Debian Linux.