CVE-2017-17565

Description

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.

Category

5.6
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory xen.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1040771 vdb entry
https://xenbits.xen.org/xsa/advisory-251.html patch vendor advisory mitigation
https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html mailing list
http://www.openwall.com/lists/oss-security/2017/12/12/5 mailing list
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html mailing list
https://security.gentoo.org/glsa/201801-14 vendor advisory
http://www.securityfocus.com/bid/102175 vdb entry
https://www.debian.org/security/2018/dsa-4112 vendor advisory
https://support.citrix.com/article/CTX232096

Frequently Asked Questions

What is the severity of CVE-2017-17565?
CVE-2017-17565 has been scored as a medium severity vulnerability.
How to fix CVE-2017-17565?
To fix CVE-2017-17565, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-17565 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-17565 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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