CVEvulnerability

CVE-2026-64042

8.8 HIGH Published 2026-07-19 Modified 2026-10-05 Official page ↗
Status
Analyzed
Published
2026-07-19
Last modified
2026-10-05
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
8.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-862

Description

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Check BAR resources before exporting a DMABUF A DMABUF exports access to BAR resources and, although they are requested at startup time, we need to ensure they really were reserved before exporting. Otherwise, it's possible to access unreserved resources through the export. Add a check to the DMABUF-creation path.

Affected configurations

• linux linux kernel (>= 6.19 < 7.0.11) • linux linux kernel 7.1

Related

Weakness · CWE (1)

  • CWE-862 Missing Authorization weakness

References