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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The QEMU Project | qemu | through version 2.10 and through to 3.1.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | qemu | 1:3.1+dfsg-5 | — |
| Debian 13 | qemu | 1:3.1+dfsg-5 | — |
| Debian 12 | qemu | 1:3.1+dfsg-5 | — |
| Debian 9 | qemu | 1:2.8+dfsg-6+deb9u6 | DSA-4454-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | qemu | 1:2.11+dfsg-1ubuntu7.12 | USN-3923-1 |
| Ubuntu 16.04 LTS | qemu | 1:2.5+dfsg-5ubuntu10.36 | USN-3923-1 |
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.45 | USN-3923-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | qemu | 2.11.2-9.25.1 | SUSE-SU-2019:1239-1 |
| SLES 12 SP4 | qemu | 2.11.2-5.13.1 | SUSE-SU-2019:1238-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP4 | qemu | 2.11.2-5.13.1 | SUSE-SU-2019:1238-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.0 | qemu | 2.11.2-lp150.7.22.1 | openSUSE-SU-2019:1405-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | qemu +10 | 15:3.1.0-3.el7 | ELSA-2019-4640 |
Advisories 7
- DSA-4454-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3923-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2019:1238-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1239-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1405-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-1991 QEMU: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Sep 2, 2024
- ELSA-2019-4640 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 14, 2019
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3812
- 107059 vdb-entry
- FEDORA-2019-88a98ce795 vendor-advisory
- USN-3923-1 vendor-advisory
- FEDORA-2019-0664c7724d vendor-advisory
- openSUSE-SU-2019:1274 vendor-advisory
- openSUSE-SU-2019:1405 vendor-advisory
- DSA-4454 vendor-advisory
- 20190531 [SECURITY] [DSA 4454-1] qemu security update mailing-list