| Name | CVE-2020-27673 |
| Description | An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. Guest OS users can cause a denial of service (host OS hang) via a high rate of events to dom0, aka CID-e99502f76271. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2483-1, DLA-2494-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | buster | 4.19.249-2 | fixed |
| buster (security) | 4.19.289-2 | fixed | |
| bullseye | 5.10.197-1 | fixed | |
| bullseye (security) | 5.10.191-1 | fixed | |
| bookworm | 6.1.55-1 | fixed | |
| bookworm (security) | 6.1.52-1 | fixed | |
| trixie | 6.5.10-1 | fixed | |
| sid | 6.5.13-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | stretch | 4.9.246-1 | DLA-2494-1 | ||
| linux | source | buster | 4.19.160-1 | |||
| linux | source | (unstable) | 5.9.6-1 | |||
| linux-4.19 | source | stretch | 4.19.160-2~deb9u1 | DLA-2483-1 |
https://xenbits.xen.org/xsa/advisory-332.html