CVE-2020-29040: An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service (stack corruption), cause a data leak, or possibly…

PriorityP339high8.8CVSS 3.1

AVLACLPRLUINSCCHIHAH

EPSS

0.37%

29.5th percentile

An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service (stack corruption), cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	xen	< xen 4.14.0+88-g1d1d1f5391-1 (bookworm)	xen 4.14.0+88-g1d1d1f5391-1 (bookworm)
xen	xen	<= 4.14.0	—
xen	xen	>= 0 < 4.14.0+88-g1d1d1f5391-1	4.14.0+88-g1d1d1f5391-1
xen	xen	>= 0 < 4.14.0+88-g1d1d1f5391-1	4.14.0+88-g1d1d1f5391-1
xen	xen	>= 0 < 4.14.0+88-g1d1d1f5391-1	4.14.0+88-g1d1d1f5391-1
xen	xen	>= 0 < 4.14.0+88-g1d1d1f5391-1	4.14.0+88-g1d1d1f5391-1

CVSS provenance

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

nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P

osv7.8HIGH

vendor_debian7.8HIGH

vendor_redhat7.8HIGH

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