| Name | CVE-2018-7550 |
| Description | The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access. |
| 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-1350-1, DLA-1351-1, DLA-1497-1, DSA-4213-1 |
| Debian Bugs | 892041 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| qemu (PTS) | jessie, jessie (lts) | 1:2.1+dfsg-12+deb8u23 | fixed |
| stretch (security) | 1:2.8+dfsg-6+deb9u17 | fixed | |
| stretch (lts), stretch | 1:2.8+dfsg-6+deb9u19 | fixed | |
| buster (security), buster, buster (lts) | 1:3.1+dfsg-8+deb10u12 | fixed | |
| 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 | 1:9.2.0+ds-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 | wheezy | 1.1.2+dfsg-6+deb7u25 | DLA-1351-1 | ||
| qemu | source | jessie | 1:2.1+dfsg-12+deb8u7 | DLA-1497-1 | ||
| qemu | source | stretch | 1:2.8+dfsg-6+deb9u4 | DSA-4213-1 | ||
| qemu | source | (unstable) | 1:2.12~rc3+dfsg-1 | 892041 | ||
| qemu-kvm | source | wheezy | 1.1.2+dfsg-6+deb7u25 | DLA-1350-1 | ||
| qemu-kvm | source | (unstable) | (unfixed) |
https://git.qemu.org/?p=qemu.git;a=patch;h=2a8fcd119eb7c6bb3837fc3669eb1b2dfb31daf8