Description
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://www.debian.org/security/2019/dsa-4369 ↗
- https://xenbits.xen.org/xsa/advisory-280.html ↗
- http://www.securityfocus.com/bid/106182 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/ ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html ↗
- https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html ↗