Description
QEMU (aka Quick Emulator) built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to crash issue. It could occur while reading Interrupt Mask Registers (IMR). A privileged (CAP_SYS_RAWIO) guest user could use this flaw to crash the QEMU process instance resulting in DoS.
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 | 1:2.5+dfsg-1 | — |
| Debian 13 | qemu | 1:2.5+dfsg-1 | — |
| Debian 12 | qemu | 1:2.5+dfsg-1 | — |
| Debian 8 | qemu | 1:2.1+dfsg-12+deb8u5a | DSA-3471-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.22 | USN-2891-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | qemu | 2.3.1-14.1 | SUSE-SU-2016:1703-1 |
| SLES 12 SP1 | xen | 4.5.2_06-7.1 | SUSE-SU-2016:0873-1 |
| SLES 12 | qemu | 2.0.2-48.19.1 | SUSE-SU-2016:1560-1 |
| SLES 12 | xen | 4.4.4_02-22.19.1 | SUSE-SU-2016:1318-1 |
| SLES 11 SP4 | xen | 4.4.4_02-32.1 | SUSE-SU-2016:0955-1 |
| SLES 11 SP3 | xen | 4.2.5_20-24.9 | SUSE-SU-2016:1745-1 |
| SLES 11 SP2 | xen | 4.1.6_08-26.1 | SUSE-SU-2016:1154-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | qemu | 2.3.1-14.1 | SUSE-SU-2016:1703-1 |
| SLES for SAP 12 SP1 | xen | 4.5.2_06-7.1 | SUSE-SU-2016:0873-1 |
| SLES for SAP 12 | qemu | 2.0.2-48.19.1 | SUSE-SU-2016:1560-1 |
| SLES for SAP 12 | xen | 4.4.4_02-22.19.1 | SUSE-SU-2016:1318-1 |
| SLES for SAP 11 SP4 | xen | 4.4.4_02-32.1 | SUSE-SU-2016:0955-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | xen | 4.7.0_12-1.3 | openSUSE-SU-2024:10196-1 |
Advisories 10
- USN-2891-1 qemu, qemu-kvm vulnerabilities Ubuntu Security Notices (USN) · Sep 7, 2026
- DSA-3471-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2016:1703-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1318-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1560-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:0955-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1154-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10196-1 xen-4.7.0_12-1.3 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- SUSE-SU-2016:1745-1 Security update for xen SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2016:0873-1 Security update for xen SUSE / openSUSE Security Updates · May 2, 2025
References
- 1034575 vdb-entry
- 79822 vdb-entry
- [oss-security] 20160104 Re: CVE request Qemu: net: vmxnet3: reading IMR registers leads to a crash mailing-list
- [oss-security] 20160104 CVE request Qemu: net: vmxnet3: reading IMR registers leads to a crash mailing-list
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=c6048f849c7e3f009786df76206e895
- https://bugzilla.redhat.com/show_bug.cgi?id=1270876
- DSA-3471 vendor-advisory
- GLSA-201602-01 vendor-advisory