| Name | CVE-2019-17345 | 
| Description | An issue was discovered in Xen 4.8.x through 4.11.x allowing x86 PV guest OS users to cause a denial of service because mishandling of failed IOMMU operations causes a bug check during the cleanup of a crashed guest. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| Debian Bugs | 929995 | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| xen (PTS) | bullseye | 4.14.6-1 | fixed | 
|  | bullseye (security) | 4.14.5+94-ge49571868d-1 | fixed | 
|  | bookworm | 4.17.5+23-ga4e5191dc0-1+deb12u1 | fixed | 
|  | bookworm (security) | 4.17.5+23-ga4e5191dc0-1 | fixed | 
|  | forky, sid, trixie | 4.20.0+68-g35cb38b222-1 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|
| xen | source | jessie | (not affected) |  |  |  | 
| xen | source | stretch | 4.8.5.final+shim4.10.4-1+deb9u12 |  |  |  | 
| xen | source | (unstable) | 4.11.1+92-g6c33308a8d-1 |  |  | 929995 | 
Notes
[jessie] - xen <not-affected> (only 4.8 and later affected)
https://xenbits.xen.org/xsa/advisory-291.html