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VULNERABILITIES

CVE-2026-62433 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:3.2 LOWVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
CNA: CISA-ADPCVSS-B:7.3 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://www.openwall.com/lists/oss-security/2026/07/28/22 CVE
http://xenbits.xen.org/xsa/advisory-506.html CVE
https://xenbits.xenproject.org/xsa/advisory-506.html [email protected]AdvisoryRemedyVendor

Weakness Enumeration

CWE-IDCWE NameSource
CWE-665Improper InitializationCISA-ADP

Affected Products

ProductVersions
Xen
>= 4.10

CPE

  • cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
  • cpe:2.3:o:xen:xen:*:*:*:*:*:x86:*:*
  • cpe:2.3:a:xen:xen:*:*:*:*:*:*:*:*

Remediation

  • Patch:moderate effortxsa506.patch
  • Workaround:low effort

    Run only PV or PVH guests.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-62433
NVD Published Date:
Jul 28, 2026
NVD Last Modified:
Jul 28, 2026
Source:
[email protected]
CVE-2026-62433 Details - Not Deferred