CVE-2021-28700: xen/arm: No memory limit for dom0less domUs The dom0less feature allows an administrator to create multiple unprivileged domains directly from Xen…

PriorityP425medium4.9CVSS 3.1

AVNACLPRHUINSUCNINAH

EPSS

1.87%

77.0th percentile

xen/arm: No memory limit for dom0less domUs The dom0less feature allows an administrator to create multiple unprivileged domains directly from Xen. Unfortunately, the memory limit from them is not set. This allow a domain to allocate memory beyond what an administrator originally configured.

Affected

12 ranges

Vendor	Product	Version range	Fixed in
debian	debian_linux	—	—
debian	xen	< xen 4.14.3-1 (bookworm)	xen 4.14.3-1 (bookworm)
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
xen	xen	—	—
xen	xen	>= 0 < 4.14.3-1~deb11u1	4.14.3-1~deb11u1
xen	xen	>= 0 < 4.14.3-1	4.14.3-1
xen	xen	>= 0 < 4.14.3-1	4.14.3-1
xen	xen	>= 0 < 4.14.3-1	4.14.3-1
xen	xen	>= 4.12.0	—
xen	xen	>= 4.13.x < unspecified	unspecified

CVSS provenance

nvdv3.14.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

nvdv2.06.8MEDIUMAV:N/AC:L/Au:S/C:N/I:N/A:C

osv4.9MEDIUM

vendor_debian4.9MEDIUM

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