Out-of-bounds Write Affecting qemu package, versions <1:5.2+dfsg-10


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (23rd percentile)

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  • Snyk IDSNYK-DEBIAN13-QEMU-5694083
  • published12 Aug 2020
  • disclosed30 Jan 2021

Introduced: 12 Aug 2020

CVE-2020-17380  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Debian:13 qemu to version 1:5.2+dfsg-10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

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.

CVSS Scores

version 3.1