Improper Input Validation Affecting xen package, versions <4.8.3+comet2+shim4.10.0+comet3-1+deb9u5
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published29 Jul 2026
- disclosed12 Dec 2017
Introduced: 12 Dec 2017
CVE-2017-17565 (opens in a new tab)How to fix?
Upgrade Echo:latest xen to version 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
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.
References
- https://advisory.echohq.com/cve/CVE-2017-17565
- http://www.openwall.com/lists/oss-security/2017/12/12/5
- http://www.securityfocus.com/bid/102175
- http://www.securitytracker.com/id/1040771
- https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html
- https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
- https://security.gentoo.org/glsa/201801-14
- https://support.citrix.com/article/CTX232096
- https://www.debian.org/security/2018/dsa-4112
- https://xenbits.xen.org/xsa/advisory-251.html