Vulnerability Description
An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry.
CVSS Score
7.8
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.9.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/101490Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039568Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html
- https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
- https://security.gentoo.org/glsa/201801-14
- https://support.citrix.com/article/CTX228867
- https://www.debian.org/security/2017/dsa-4050
- https://xenbits.xen.org/xsa/advisory-241.htmlMailing ListMitigationPatch
- http://www.securityfocus.com/bid/101490Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039568Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html
- https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
- https://security.gentoo.org/glsa/201801-14
- https://support.citrix.com/article/CTX228867
- https://www.debian.org/security/2017/dsa-4050
FAQ
What is CVE-2017-15588?
CVE-2017-15588 is a vulnerability with a CVSS score of 7.8 (HIGH). An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry.
How severe is CVE-2017-15588?
CVE-2017-15588 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-15588?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.