| Name | CVE-2017-15593 |
| Description | An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (memory leak) because reference counts are mishandled. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-1181-1, DLA-1559-1, DSA-4050-1 |
| NVD severity | medium (attack range: local) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| xen (PTS) | jessie | 4.4.1-9+deb8u10 | vulnerable |
| jessie (security) | 4.4.4lts4-0+deb8u1 | fixed | |
| stretch (security), stretch | 4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10 | fixed | |
| buster, sid | 4.11.1~pre.20180911.5acdd26fdc+dfsg-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| xen | source | (unstable) | 4.8.2+xsa245-0+deb9u1 | medium | ||
| xen | source | jessie | 4.4.4lts3-0+deb8u1 | medium | DLA-1559-1 | |
| xen | source | stretch | 4.8.2+xsa245-0+deb9u1 | medium | DSA-4050-1 | |
| xen | source | wheezy | 4.1.6.lts1-10 | medium | DLA-1181-1 |
https://xenbits.xen.org/xsa/advisory-242.html