| Name | CVE-2019-3812 |
| Description | QEMU, through version 2.10 and through version 3.1.0, is vulnerable to an out-of-bounds read of up to 128 bytes in the hw/i2c/i2c-ddc.c:i2c_ddc() function. A local attacker with permission to execute i2c commands could exploit this to read stack memory of the qemu process on the host. |
| 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-4454-1 |
| Debian Bugs | 922635 |
Vulnerable and fixed packages
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 | 1:9.1.1+ds-5 | 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 | (unfixed) | end-of-life | | |
| qemu | source | jessie | (not affected) | | | |
| qemu | source | stretch | 1:2.8+dfsg-6+deb9u6 | | DSA-4454-1 | |
| qemu | source | (unstable) | 1:3.1+dfsg-5 | | | 922635 |
| qemu-kvm | source | wheezy | (unfixed) | end-of-life | | |
| qemu-kvm | source | (unstable) | (unfixed) | | | |
Notes
[jessie] - qemu <not-affected> (vulnerable code introduced later)
https://git.qemu.org/?p=qemu.git;a=commit;h=b05b267840515730dbf6753495d5b7bd8b04ad1c
vulnerable code not present prior 2.6.50, introduced in
https://git.qemu.org/?p=qemu.git;a=commit;h=78c71af8049c40657b646d9dd722867fa15c0f1b