CVE-2025-58150: Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing. Some of these variables are written to with guest controlled…

PriorityP346high8.8CVSS 3.1

AVLACLPRLUINSCCHIHAH

EPSS

0.13%

2.8th percentile

Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing. Some of these variables are written to with guest controlled data, of guest controllable size. That size can be larger than the variable, and bounding of the writes was missing.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
debian	xen	< xen 4.20.2+37-g61ff35323e-1 (forky)	xen 4.20.2+37-g61ff35323e-1 (forky)
xen	xen	>= 0 < 4.18.5-r4	4.18.5-r4
xen	xen	>= 0 < 4.19.4-r1	4.19.4-r1
xen	xen	>= 0 < 4.20.2-r1	4.20.2-r1
xen	xen	>= 0 < 4.20.2-r1	4.20.2-r1
xen	xen	>= 0 < 4.20.2+37-g61ff35323e-0+deb13u1	4.20.2+37-g61ff35323e-0+deb13u1
xen	xen	>= 0 < 4.20.2+37-g61ff35323e-1	4.20.2+37-g61ff35323e-1

CVSS provenance

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

osv8.8HIGH

vendor_debian8.8HIGH

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