| 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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-479-1 |
| Debian Bugs | 823620 |
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, 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 | squeeze | (not affected) | | | |
| xen | source | wheezy | 4.1.6.1-1+deb7u1 | | DLA-479-1 | |
| xen | source | jessie | (not affected) | | | |
| xen | source | (unstable) | 4.8.0~rc3-1 | | | 823620 |
Notes
[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