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VULNERABILITIES

CVE-2026-49425 Details

Description

The compat32 kevent() handler translates a 64-bit kevent struct into a stack- declared 32-bit struct. It did not first zero the stack struct. An unprivileged user may observe a small amount of uninitialized kernel stack data, which may contain sensitive information.

Metrics

CVSS 3.x Severity and Vector Strings:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-IDCWE NameSource
CWE-908Use of Uninitialized Resource[email protected]

Affected Products

ProductVersions
freebsd freebsd
14.3 -
14.3 p1
14.3 p10
14.3 p11
14.3 p12

CPE

  • cpe:2.3:o:freebsd:freebsd:14.3:-:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p10:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p11:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p12:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p13:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p14:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p15:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p2:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p3:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p4:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p5:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p6:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p7:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p8:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p9:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.4:-:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.4:p1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.4:p2:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.4:p3:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.4:p4:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.4:p5:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.4:p6:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.4:rc1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:-:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p10:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p2:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p3:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p4:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p5:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p6:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p7:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p8:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p9:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2026-49425
NVD Published Date:
Aug 19, 2026
NVD Last Modified:
Aug 31, 2026
Source:
[email protected]
CVE-2026-49425 Details - Not Deferred