Vulnerability Description
An issue was discovered in Xen 4.8.x through 4.10.x allowing x86 PVH guest OS users to cause a denial of service (NULL pointer dereference and hypervisor crash) by leveraging the mishandling of configurations that lack a Local APIC.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | >= 4.8.0, <= 4.10.0 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- http://www.securitytracker.com/id/1040776
- https://security.gentoo.org/glsa/201810-06
- https://www.debian.org/security/2018/dsa-4131Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-256.htmlVendor Advisory
- http://www.securitytracker.com/id/1040776
- https://security.gentoo.org/glsa/201810-06
- https://www.debian.org/security/2018/dsa-4131Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-256.htmlVendor Advisory
FAQ
What is CVE-2018-7542?
CVE-2018-7542 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue was discovered in Xen 4.8.x through 4.10.x allowing x86 PVH guest OS users to cause a denial of service (NULL pointer dereference and hypervisor crash) by leveraging the mishandling of config...
How severe is CVE-2018-7542?
CVE-2018-7542 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-2018-7542?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen, Debian Debian Linux.