Vulnerability Details : CVE-2018-7541
An issue was discovered in Xen through 4.10.x allowing guest OS users to cause a denial of service (hypervisor crash) or gain privileges by triggering a grant-table transition from v2 to v1.
Vulnerability category: Denial of service
Products affected by CVE-2018-7541
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-7541
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 23 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-7541
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.1
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:C |
3.9
|
8.5
|
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-2018-7541
-
https://support.citrix.com/article/CTX232096
Citrix XenServer Multiple Security Updates
-
https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html
[SECURITY] [DLA 1300-1] xen security updateThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html
[SECURITY] [DLA 1577-1] xen security update
-
http://www.securitytracker.com/id/1040775
Xen Grant Table Transition Bug Lets Local Users on a Guest System Cause Denial of Service Conditions on the Host System - SecurityTracker
-
https://security.gentoo.org/glsa/201810-06
Xen: Multiple vulnerabilities (GLSA 201810-06) — Gentoo security
-
https://www.debian.org/security/2018/dsa-4131
Debian -- Security Information -- DSA-4131-1 xenThird Party Advisory
-
http://www.securityfocus.com/bid/103177
Xen 'xen/common/grant_table.c' Denial of Service Vulnerability
-
https://xenbits.xen.org/xsa/advisory-255.html
XSA-255 - Xen Security AdvisoriesVendor Advisory
-
https://support.citrix.com/article/CTX232655
Citrix XenServer Multiple Security Updates
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