CVE catalog
CVE-2011-2512
qemu-kvm - programming error
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.88% · Oct 25, 2026
The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison. qemu-kvm: OOB memory access caused by negative vq notifies This issue only affects Red Hat Enterprise Linux 6. The version of the qemu/kvm as shipped with Red Hat Enterprise Linux 5 is not affected. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | qemu-kvm | 6.0 | 0.12.5+dfsg-5 | vulnerable |
| Debian | qemu-kvm | 6.0 | 0.12.5+dfsg-5+squeeze1 | vulnerable |
| Debian | qemu-kvm | 6.0 | 0.12.5+dfsg-5+squeeze2 | vulnerable |
| Debian | qemu-kvm | 6.0 | 0.12.5+dfsg-5+squeeze3 | vulnerable |
| Debian | qemu-kvm | 6.0 | 0.12.5+dfsg-5+squeeze4~bpo50+1 | vulnerable |
| Debian | qemu-kvm | 6.0 | 0.12.5+dfsg-5+squeeze4 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | qemu-kvm | deb | 6.0 | 0.12.5+dfsg-5+squeeze4 | Not reported | DSA-2270-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: