Vulnerability Details : CVE-2017-15588
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.
Vulnerability category: Execute code
Exploit prediction scoring system (EPSS) score for CVE-2017-15588
Probability of exploitation activity in the next 30 days: 0.08%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 31 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-15588
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
1.1
|
6.0
|
NIST |
CWE ids for CVE-2017-15588
-
The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-15588
-
https://xenbits.xen.org/xsa/advisory-241.html
XSA-241 - Xen Security AdvisoriesMailing List;Mitigation;Patch;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html
[SECURITY] [DLA 1181-1] xen security update
-
http://www.securityfocus.com/bid/101490
Xen CVE-2017-15588 Arbitrary Code Execution VulnerabilityThird Party Advisory;VDB Entry
-
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/msg00009.html
[SECURITY] [DLA 1549-1] xen security update
-
https://security.gentoo.org/glsa/201801-14
Xen: Multiple vulnerabilities (GLSA 201801-14) — Gentoo security
Products affected by CVE-2017-15588
- cpe:2.3:o:xen:xen:4.9.0:*:*:*:*:*:*:*