CVE-2026-62429

EUVD-2026-49782
Accessing the vNUMA configuration data of a guest is still possible when
domain destruction has already started.  The cleaning up of that
configuration information is not synchronized with its retrieval by a
device model controlling the guest.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 13%
Debian logo
Debian Releases
Debian Product
Codename
xen
bookworm
vulnerable
bookworm (security)
vulnerable
forky
4.20.3+127-gc42374a105-1
fixed
sid
4.20.3+127-gc42374a105-1
fixed
trixie
vulnerable
trixie (security)
4.20.3+127-gc42374a105-0+deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xen
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://xenbits.xenproject.org/xsa/advisory-502.html
http://www.openwall.com/lists/oss-security/2026/07/28/18
http://xenbits.xen.org/xsa/advisory-502.html