| Name | CVE-2015-8615 |
| Description | The hvm_set_callback_via function in arch/x86/hvm/irq.c in Xen 4.6 does not limit the number of printk console messages when logging the new callback method, which allows local HVM guest OS users to cause a denial of service via a large number of changes to the callback method (HVM_PARAM_CALLBACK_IRQ). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-479-1 |
| NVD severity | low (attack range: local) |
| Debian Bugs | 823620 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| xen (PTS) | wheezy | 4.1.4-3+deb7u9 | vulnerable |
| wheezy (security) | 4.1.6.lts1-8 | fixed | |
| jessie | 4.4.1-9+deb8u9 | fixed | |
| jessie (security) | 4.4.1-9+deb8u10 | fixed | |
| buster, sid, stretch | 4.8.1-1+deb9u1 | fixed | |
| stretch (security) | 4.8.1-1+deb9u3 | 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) | 4.8.0~rc3-1 | low | 823620 | |
| xen | source | jessie | (not affected) | |||
| xen | source | squeeze | (not affected) | |||
| xen | source | wheezy | 4.1.6.1-1+deb7u1 | low | DLA-479-1 |
[jessie] - xen <not-affected> (Only affects 4.6)
[wheezy] - xen <not-affected> (Only affects 4.6)
[squeeze] - xen <not-affected> (Only affects 4.6)
http://xenbits.xen.org/xsa/advisory-169.html