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.
Source: xen (LP Ubuntu Debian)
Upstream:released (4.11.1-1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was needs-triage)
Ubuntu 16.04 LTS (Xenial Xerus):needed
Ubuntu 18.04 LTS (Bionic Beaver):needed
Ubuntu 19.04 (Disco Dingo):needed
Ubuntu 19.10 (Eoan):needed
Binaries built from this source package are in universe and so are supported by the community. For more details see
More Information

Updated: 2019-08-23 07:53:33 UTC (commit 436fd4ed4cf0038ddd382cb8649607ace163dda7)