CVE-2020-25723
LOW3.2EPSS 0.04%發布日:2020/12/2修改日:2026/4/28
也稱為:DEBIAN-CVE-2020-25723
描述
A reachable assertion issue was found in the USB EHCI emulation code of QEMU. It could occur while processing USB requests due to missing handling of DMA memory map failure. A malicious privileged user within the guest may abuse this flaw to send bogus USB requests and crash the QEMU process on the host, resulting in a denial of service.
受影響套件(1)
- Debian/qemufrom 0, < 1:5.2+dfsg-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.2 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L |