CVE-2026-62433 Affecting xen-tools package, versions <4.20.4_04-150700.3.46.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.25% (16th percentile)

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  • Snyk IDSNYK-SLES157-XENTOOLS-19779323
  • published14 Sept 2026
  • disclosed8 Sept 2026

Introduced: 8 Sep 2026

CVE-2026-62433  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 xen-tools to version 4.20.4_04-150700.3.46.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xen-tools package and not the xen-tools package as distributed by SLES. See How to fix? for SLES:15.7 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1