CVE-2020-15859

Published: 21 July 2020

QEMU 4.2.0 has a use-after-free in hw/net/e1000e_core.c because a guest OS user can trigger an e1000e packet with the data's address set to the e1000e's MMIO address.

Priority

Cvss 3 Severity Score

3.3

Score breakdown

Status

Package	Release	Status
qemu Launchpad, Ubuntu, Debian	bionic	Released (1:2.11+dfsg-1ubuntu7.35)
	focal	Released (1:4.2-3ubuntu6.12)
	groovy	Released (1:5.0-5ubuntu9.4)
	hirsute	Not vulnerable (1:5.2+dfsg-3ubuntu1)
	impish	Not vulnerable (1:5.2+dfsg-3ubuntu1)
	jammy	Not vulnerable (1:5.2+dfsg-3ubuntu1)
	kinetic	Not vulnerable (1:5.2+dfsg-3ubuntu1)
	lunar	Not vulnerable (1:5.2+dfsg-3ubuntu1)
	mantic	Not vulnerable (1:5.2+dfsg-3ubuntu1)
	noble	Not vulnerable (1:5.2+dfsg-3ubuntu1)
	trusty	Needed
	upstream	Released (1:5.2+dfsg-1)
	xenial	Released (1:2.5+dfsg-5ubuntu10.49)
	Patches: upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=22dc8663d9fc7baa22100544c600b6285a63c7a3
qemu-kvm Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	noble	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist

Severity score breakdown

Parameter	Value
Base score	3.3
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	Low
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References

Bugs

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