CVE-2020-17380
qemu - security update
6.3
MEDIUM
CVSS 3.1
EPSS 0.18%
Description
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.
How to fix CVE-2020-17380
To remediate CVE-2020-17380, upgrade the affected package to a fixed version below.
- —upgrade to 1:5.2+dfsg-10 or later
- —upgrade to 1:2.8+dfsg-6+deb9u14 or later
Is CVE-2020-17380 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:5.2+dfsg-10
- from 0, < 1:2.8+dfsg-6+deb9u14
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| 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 |