CVE-2020-17380
qemu - security update
6.3
MEDIUM
CVSS 3.1
EPSS 0.18%
描述
A heap-based buffer overflow was found in QEMU through 5.0.0 in the SDHCI device emulation support. It could occur while doing a multi block SDMA transfer via the sdhci_sdma_transfer_multi_blocks() routine in hw/sd/sdhci.c. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition, or potentially execute arbitrary code with privileges of the QEMU process on the host.
如何修補 CVE-2020-17380
要修補 CVE-2020-17380,請將受影響套件升級到下列已修補版本。
- —升級至 1:5.2+dfsg-10 或更新版本
- —升級至 1:2.8+dfsg-6+deb9u14 或更新版本
CVE-2020-17380 正在被利用嗎?
低 — EPSS 為 0.2%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 1:5.2+dfsg-10
- from 0, < 1:2.8+dfsg-6+deb9u14
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L |