Vulnerability Details : CVE-2017-17565
An issue was discovered in Xen through 4.9.x allowing PV guest OS users to cause a denial of service (host OS crash) if shadow mode and log-dirty mode are in place, because of an incorrect assertion related to M2P.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2017-17565
- cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-17565
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 18 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-17565
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.7
|
MEDIUM | AV:L/AC:M/Au:N/C:N/I:N/A:C |
3.4
|
6.9
|
NIST | |
5.6
|
MEDIUM | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H |
1.1
|
4.0
|
NIST |
CWE ids for CVE-2017-17565
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-17565
-
https://www.debian.org/security/2018/dsa-4112
Debian -- Security Information -- DSA-4112-1 xen
-
https://support.citrix.com/article/CTX232096
Citrix XenServer Multiple Security Updates
-
http://www.securityfocus.com/bid/102175
Xen 'arch/x86/mm/paging.c' Denial of Service vulnerability
-
http://www.openwall.com/lists/oss-security/2017/12/12/5
oss-security - Xen Security Advisory 251 - improper bug check in x86 log-dirty handlingMailing List
-
https://xenbits.xen.org/xsa/advisory-251.html
XSA-251 - Xen Security AdvisoriesMitigation;Patch;Vendor Advisory
-
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
-
https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html
[SECURITY] [DLA 1230-1] xen security update
-
http://www.securitytracker.com/id/1040771
Xen Log-Dirty Error Lets Local Users on a Guest System Cause Denial of Service Conditions on the Host System - SecurityTracker
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