Description
hw/input/ps2.c in Qemu does not validate 'rptr' and 'count' values during guest migration, leading to out-of-bounds access.
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 | 1:2.12~rc3+dfsg-1 | — |
| Debian 13 | qemu | 1:2.12~rc3+dfsg-1 | — |
| Debian 12 | qemu | 1:2.12~rc3+dfsg-1 | — |
| Debian 9 | qemu | 1:2.8+dfsg-6+deb9u4 | DSA-4213-1 |
| Debian 8 | qemu | 1:2.1+dfsg-12+deb8u7 | DLA-1497-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | qemu | 1:2.11+dfsg-1ubuntu7.1 | USN-3649-1 |
| Ubuntu 16.04 LTS | qemu | 1:2.5+dfsg-5ubuntu10.22 | USN-3649-1, USN-3575-1 |
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.39 | USN-3649-1, USN-3575-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | qemu | 2.9.1-6.12.1 | SUSE-SU-2018:0762-1 |
| SLES 12 SP2 | qemu | 2.6.2-41.37.1 | SUSE-SU-2018:0831-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | qemu | 2.9.1-6.12.1 | SUSE-SU-2018:0762-1 |
| SLES for SAP 12 SP2 | qemu | 2.6.2-41.37.1 | SUSE-SU-2018:0831-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | qemu +12 | 15:3.0.0-1.el7 | ELSA-2019-4585, ELSA-2018-4289, ELSA-2018-4285 |
Advisories 10
- DSA-4213-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1497-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3649-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3575-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2018:0831-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0762-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-2011 QEMU: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Sep 2, 2024
- ELSA-2019-4585 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 15, 2019
- ELSA-2018-4289 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 28, 2018
- ELSA-2018-4285 Important: qemu security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 20, 2018
References
- USN-3649-1 vendor-advisory
- [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update mailing-list
- DSA-4213 vendor-advisory
- [qemu-devel] 20171116 [PATCH v2] ps2: check PS2Queue indices in post_load routine mailing-list
- USN-3575-1 vendor-advisory
- 101923 vdb-entry