CVE-2017-7995

published 2017-05-03

CVE-2017-7995: Xen PV guest before Xen 4.3 checked access permissions to MMIO ranges only after accessing them, allowing host PCI device space memory reads, leading to…

Priority P4 11 low 3.8 CVSS 3.0

AV L AC L PR L UI N S C C L I N A N

Xen PV guest before Xen 4.3 checked access permissions to MMIO ranges only after accessing them, allowing host PCI device space memory reads, leading to information disclosure. This is an error in the get_user function. NOTE: the upstream Xen Project considers versions before 4.5.x to be EOL.

Affected

11 ranges

Vendor	Product	Version range	Fixed in
debian	xen	< xen 4.3.0-1 (bookworm)	xen 4.3.0-1 (bookworm)
novell	suse_linux_enterprise_point_of_sale	—	—
novell	suse_linux_enterprise_server	—	—
suse	manager	—	—
suse	manager_proxy	—	—
suse	openstack_cloud	—	—
xen	xen	<= 4.2.5	—
xen	xen	>= 0 < 4.3.0-1	4.3.0-1
xen	xen	>= 0 < 4.3.0-1	4.3.0-1
xen	xen	>= 0 < 4.3.0-1	4.3.0-1
xen	xen	>= 0 < 4.3.0-1	4.3.0-1

CVSS provenance

nvd v3.0 3.8 LOW CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

nvd v2.0 1.7 LOW AV:L/AC:L/Au:S/C:P/I:N/A:N

osv 3.8 LOW

vendor_debian 3.8 LOW

vendor_redhat 3.8 LOW

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