CVE-2019-17346: An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because of an incompatibility…

PriorityP339high8.8CVSS 3.1

AVLACLPRLUINSCCHIHAH

EPSS

0.35%

27.4th percentile

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because of an incompatibility between Process Context Identifiers (PCID) and TLB flushes.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
debian	debian_linux	—	—
debian	debian_linux	—	—
debian	xen	< xen 4.11.1+92-g6c33308a8d-1 (bookworm)	xen 4.11.1+92-g6c33308a8d-1 (bookworm)
xen	xen	<= 4.11.2	—
xen	xen	>= 0 < 4.11.1+92-g6c33308a8d-1	4.11.1+92-g6c33308a8d-1
xen	xen	>= 0 < 4.11.1+92-g6c33308a8d-1	4.11.1+92-g6c33308a8d-1
xen	xen	>= 0 < 4.11.1+92-g6c33308a8d-1	4.11.1+92-g6c33308a8d-1
xen	xen	>= 0 < 4.11.1+92-g6c33308a8d-1	4.11.1+92-g6c33308a8d-1

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

osv8.8HIGH

vendor_debian8.8HIGH

vendor_redhat8.8HIGH

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.