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prionPRIOn knowledge basePRION:CVE-2020-17380
HistoryJan 30, 2021 - 6:15 a.m.

Heap overflow

2021-01-3006:15:00
PRIOn knowledge base
www.prio-n.com
9

AI Score

6.2

Confidence

High

EPSS

0.001

Percentile

20.7%

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.