Vulnerability Details : CVE-2017-15594
An issue was discovered in Xen through 4.9.x allowing x86 SVM PV guest OS users to cause a denial of service (hypervisor crash) or gain privileges because IDT settings are mishandled during CPU hotplugging.
Vulnerability category: Denial of service
Products affected by CVE-2017-15594
- cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-15594
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-15594
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
2.0
|
6.0
|
NIST |
References for CVE-2017-15594
-
https://xenbits.xen.org/xsa/advisory-244.html
XSA-244 - Xen Security AdvisoriesMitigation;Patch;Vendor Advisory
-
http://www.securitytracker.com/id/1039568
Xen Multiple Flaws on x86 Systems Let Local Guest System Users Obtain Memory Contents and Potentially Sensitive Information, Deny Service on the Host System, and Gain Elevated Privileges on the Host SThird Party Advisory;VDB Entry
-
https://support.citrix.com/article/CTX228867
Citrix XenServer Multiple Security Updates
-
https://www.debian.org/security/2017/dsa-4050
Debian -- Security Information -- DSA-4050-1 xen
-
https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html
[SECURITY] [DLA 1559-1] xen security update
-
https://security.gentoo.org/glsa/201801-14
Xen: Multiple vulnerabilities (GLSA 201801-14) — Gentoo security
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