Description
An issue was discovered in Xen through 4.11.x on Intel x86 platforms allowing guest OS users to cause a denial of service (host OS hang) because Xen does not work around Intel's mishandling of certain HLE transactions associated with the KACQUIRE instruction prefix.
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://xenbits.xen.org/xsa/advisory-282.html ↗
- https://support.citrix.com/article/CTX239432 ↗
- https://www.debian.org/security/2019/dsa-4369 ↗
- http://www.securityfocus.com/bid/106182 ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00057.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html ↗