CVE-2020-17380

Publication date 14 August 2020

Last updated 18 August 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	25.10 questing	Fixed 1:5.2+dfsg-2ubuntu1
	25.04 plucky	Fixed 1:5.2+dfsg-2ubuntu1
	24.10 oracular	Fixed 1:5.2+dfsg-2ubuntu1
	24.04 LTS noble	Fixed 1:5.2+dfsg-2ubuntu1
	23.10 mantic	Fixed 1:5.2+dfsg-2ubuntu1
	23.04 lunar	Fixed 1:5.2+dfsg-2ubuntu1
	22.10 kinetic	Fixed 1:5.2+dfsg-2ubuntu1
	22.04 LTS jammy	Fixed 1:5.2+dfsg-2ubuntu1
	21.10 impish	Fixed 1:5.2+dfsg-2ubuntu1
	21.04 hirsute	Fixed 1:5.2+dfsg-2ubuntu1
	20.10 groovy	Fixed 1:5.0-5ubuntu9.2
	20.04 LTS focal	Fixed 1:4.2-3ubuntu6.10
	18.04 LTS bionic	Fixed 1:2.11+dfsg-1ubuntu7.34
	16.04 LTS xenial	Fixed 1:2.5+dfsg-5ubuntu10.48
	14.04 LTS trusty	Vulnerable
qemu-kvm	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	23.04 lunar	Not in release
	22.10 kinetic	Not in release
	22.04 LTS jammy	Not in release
	21.10 impish	Not in release
	21.04 hirsute	Not in release
	20.10 groovy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

Notes

mdeslaur

see if there are other relevant commits

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
qemu	Other: https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg01175.html Upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=dfba99f17feb6d4a129da19d38df1bcd8579d1c3

Severity score breakdown

Parameter	Value
Base score	6.3 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Changed
Confidentiality	Low
Integrity impact	Low
Availability impact	Low
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L