CVE-2026-62432 Affecting xen-tools-xendomains-wait-disk package, versions <4.17.6_14-150500.3.76.3


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.25% (16th percentile)

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  • Snyk IDSNYK-SLES155-XENTOOLSXENDOMAINSWAITDISK-18468148
  • published30 Jul 2026
  • disclosed30 Jul 2026

Introduced: 30 Jul 2026

NewCVE-2026-62432  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 xen-tools-xendomains-wait-disk to version 4.17.6_14-150500.3.76.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xen-tools-xendomains-wait-disk package and not the xen-tools-xendomains-wait-disk package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

The EVTCHNOP_expand_array hypercall checks for whether FIFO event channels are enabled, but without holding the correct lock. It can race with EVTCHNOP_reset, resulting in dereferencing a NULL pointer.

CVSS Base Scores

version 3.1