CVE-2021-3409

Description

The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable to the out-of-bounds read/write access issues previously found in the SDHCI controller emulation code. This flaw allows a malicious privileged guest to crash the QEMU process on the host, resulting in a denial of service or potential code execution. QEMU up to (including) 5.2.0 is affected by this.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	26.04 LTS resolute	Fixed 1:6.0+dfsg-1~ubuntu3
	25.10 questing	Fixed 1:6.0+dfsg-1~ubuntu3
	25.04 plucky	Fixed 1:6.0+dfsg-1~ubuntu3
	24.10 oracular	Fixed 1:6.0+dfsg-1~ubuntu3
	24.04 LTS noble	Fixed 1:6.0+dfsg-1~ubuntu3
	23.10 mantic	Fixed 1:6.0+dfsg-1~ubuntu3
	23.04 lunar	Fixed 1:6.0+dfsg-1~ubuntu3
	22.10 kinetic	Fixed 1:6.0+dfsg-1~ubuntu3
	22.04 LTS jammy	Fixed 1:6.0+dfsg-1~ubuntu3
	21.10 impish	Fixed 1:6.0+dfsg-1~ubuntu3
	21.04 hirsute	Fixed 1:5.2+dfsg-9ubuntu3.1
	20.10 groovy	Fixed 1:5.0-5ubuntu9.9
	20.04 LTS focal	Fixed 1:4.2-3ubuntu6.17
	18.04 LTS bionic	Fixed 1:2.11+dfsg-1ubuntu7.37
	16.04 LTS xenial	Fixed 1:2.5+dfsg-5ubuntu10.51+esm4
	14.04 LTS trusty	Fixed 2.0.0+dfsg-2ubuntu1.47+esm6
qemu-kvm	26.04 LTS resolute	Not in release
	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

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Patch details

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

Package	Patch details
qemu	Upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=b263d8f928001b5cfa2a993ea43b7a5b3a1811e8 Upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=8be45cc947832b3c02144c9d52921f499f2d77fe Upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=bc6f28995ff88f5d82c38afcfd65406f0ae375aa Upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=5cd7aa3451b76bb19c0f6adc2b931f091e5d7fcd Upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=cffb446e8fd19a14e1634c7a3a8b07be3f01d5c9

Package

Patch details

qemu

Severity score breakdown

Parameter	Value
Base score	5.7 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	High
User interaction	None
Scope	Changed
Confidentiality	Low
Integrity impact	Low
Availability impact	Low
Vector	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L

Cvss 3 Severity Score

Description

Status

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Patch details

Severity score breakdown

References

Related Ubuntu Security Notices (USN)

Other references

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