| Name | CVE-2016-9104 |
| Description | Multiple integer overflows in the (1) v9fs_xattr_read and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause a denial of service (QEMU process crash) via a crafted offset, which triggers an out-of-bounds access. |
| 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-1599-1, DLA-689-1, DLA-698-1 |
| NVD severity | low (attack range: local) |
| Debian Bugs | 842463 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| qemu (PTS) | jessie | 1:2.1+dfsg-12+deb8u6 | vulnerable |
| jessie (security) | 1:2.1+dfsg-12+deb8u8 | fixed | |
| stretch | 1:2.8+dfsg-6+deb9u4 | fixed | |
| stretch (security) | 1:2.8+dfsg-6+deb9u5 | fixed | |
| buster, sid | 1:3.1+dfsg-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| qemu | source | (unstable) | 1:2.8+dfsg-1 | low | 842463 | |
| qemu | source | jessie | 1:2.1+dfsg-12+deb8u8 | low | DLA-1599-1 | |
| qemu | source | wheezy | 1.1.2+dfsg-6+deb7u18 | low | DLA-698-1 | |
| qemu-kvm | source | (unstable) | (unfixed) | low | ||
| qemu-kvm | source | wheezy | 1.1.2+dfsg-6+deb7u18 | low | DLA-689-1 |
https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02942.html
http://www.openwall.com/lists/oss-security/2016/10/28/2