VDB
DEBIAN-CVE-2015-2756
DEBIAN-CVE-2015-2756
PUBLISHED
CVSS 8.699999809265137 HIGH
QEMU, as used in Xen 3.3.x through 4.5.x, does not properly restrict access to PCI command registers, which might allow local HVM guest users to cause a denial of service (non-maskable interrupt and host crash) by disabling the (1) memory or (2) I/O decoding for a PCI Express device and then accessing the device, which triggers an Unsupported Request (UR) response.
Risk Scores
CVSS v4.0
8.699999809265137
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | xen | 0, 0, 0 |
| Debian:11 | qemu | 0, 0, 0 |
| Debian:11 | xen | 0, 0, 0 |
| Debian:13 | qemu | 0, 0, 0 |
| Debian:14 | xen | 0, 0, 0 |
| Debian:12 | xen | 0, 0, 0 |
| Debian:12 | qemu | 0, 0, 0 |
| Debian:14 | qemu | 0, 0, 0 |
Timeline
- Apr 1, 2015 CVE Published
- Apr 28, 2026 CVE Updated