This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-62433 →
DEBIAN-CVE-2026-62433
Parts of the DM_OP handling code assumes the caller has provided the required number of buffers for the given operation without any checking being don...
Original description
The description as published by the source.
Parts of the DM_OP handling code assumes the caller has provided the required number of buffers for the given operation without any checking being done. As a result, certain operations might access stack rubble as structures are possibly uninitialized.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
xen
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.7-0+deb12u1"}]}]
Debian:13
xen
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.20.3+127-gc42374a105-0+deb13u1"}]}]
Debian:14
xen
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.20.3+127-gc42374a105-1"}]}]
References
- advisory security-tracker.debian.org