CVE-2017-15589

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-10-18 · updated 2026-06-17
Weakness: CWE-200

Description

An issue was discovered in Xen through 4.9.x allowing x86 HVM guest OS users to obtain sensitive information from the host OS (or an arbitrary guest OS) because intercepted I/O operations can cause a write of data from uninitialized hypervisor stack memory.

Affected products

xen: 4.9.0

References

http://www.securityfocus.com/bid/101496
http://www.securitytracker.com/id/1039568
https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
https://security.gentoo.org/glsa/201801-14
https://support.citrix.com/article/CTX228867
https://www.debian.org/security/2017/dsa-4050
https://xenbits.xen.org/xsa/advisory-239.html
http://www.securityfocus.com/bid/101496
http://www.securitytracker.com/id/1039568
https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html

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