CVE-2017-15594

published 2017-10-18

CVE-2017-15594: An issue was discovered in Xen through 4.9.x allowing x86 SVM PV guest OS users to cause a denial of service (hypervisor crash) or gain privileges because IDT…

Priority P3 38 high 8.8 CVSS 3.0

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

An issue was discovered in Xen through 4.9.x allowing x86 SVM PV guest OS users to cause a denial of service (hypervisor crash) or gain privileges because IDT settings are mishandled during CPU hotplugging.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	xen	< xen 4.8.2+xsa245-0+deb9u1 (bookworm)	xen 4.8.2+xsa245-0+deb9u1 (bookworm)
xen	xen	<= 4.9.0	—
xen	xen	>= 0 < 4.8.2+xsa245-0+deb9u1	4.8.2+xsa245-0+deb9u1
xen	xen	>= 0 < 4.8.2+xsa245-0+deb9u1	4.8.2+xsa245-0+deb9u1
xen	xen	>= 0 < 4.8.2+xsa245-0+deb9u1	4.8.2+xsa245-0+deb9u1
xen	xen	>= 0 < 4.8.2+xsa245-0+deb9u1	4.8.2+xsa245-0+deb9u1

CVSS provenance

nvd v3.0 8.8 HIGH CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

nvd v2.0 4.6 MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:P

osv 8.8 HIGH

vendor_debian 8.8 HIGH

vendor_redhat 8.8 HIGH

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.