| Name | CVE-2019-17346 |
| Description | An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because of an incompatibility between Process Context Identifiers (PCID) and TLB flushes. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 929993 |
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 |
| trixie | 4.20.0-1 | fixed |
| sid | 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 | | | 929993 |
Notes
[jessie] - xen <not-affected> (PCID support not backported)
https://xenbits.xen.org/xsa/advisory-292.html