| Name | CVE-2015-4103 |
| Description | Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service (host interrupt handling confusion) via vectors related to qemu and accessing spanning multiple fields. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-3284-1, DSA-3286-1 |
| Debian Bugs | 787547 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| qemu (PTS) | bullseye | 1:5.2+dfsg-11+deb11u3 | fixed |
| bullseye (security) | 1:5.2+dfsg-11+deb11u2 | fixed |
| bookworm | 1:7.2+dfsg-7+deb12u7 | fixed |
| sid, trixie | 1:9.1.1+ds-5 | fixed |
| xen (PTS) | bullseye | 4.14.6-1 | fixed |
| bullseye (security) | 4.14.5+94-ge49571868d-1 | fixed |
| bookworm | 4.17.3+10-g091466ba55-1~deb12u1 | fixed |
| sid, trixie | 4.17.3+36-g54dacb5c02-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| qemu | source | squeeze | (not affected) | | | |
| qemu | source | wheezy | (not affected) | | | |
| qemu | source | jessie | 1:2.1+dfsg-12+deb8u1 | | DSA-3284-1 | |
| qemu | source | (unstable) | 1:2.3+dfsg-5 | | | 787547 |
| qemu-kvm | source | (unstable) | (not affected) | | | |
| xen | source | squeeze | (unfixed) | end-of-life | | |
| xen | source | wheezy | 4.1.4-3+deb7u8 | | DSA-3286-1 | |
| xen | source | jessie | 4.4.1-9+deb8u1 | | DSA-3286-1 | |
| xen | source | (unstable) | 4.4.0-1 | | | |
Notes
[wheezy] - qemu <not-affected> (Vulnerable code not present)
[squeeze] - qemu <not-affected> (Vulnerable code not present)
- qemu-kvm <not-affected> (Vulnerable code not present)
[squeeze] - xen <end-of-life> (Not supported in Squeeze LTS)
Xen switched to qemu-system in 4.4.0-1
http://xenbits.xen.org/xsa/advisory-128.html