Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD 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.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
1 version affected across 1 product
🚨 HIGH: CVE-2026-64042 (CVSS 8.8) Linux kernel VFIO/PCI flaw allows local attackers to access unreserved BAR resources via DMABUF exports. Patch immediately. #CVE #Vulnerability #PatchNow #ThreatIntel #DFIR https://t.co/HHN728XTRN
Post summary
The tweet announces the high‑severity CVE‑2026‑64042 affecting Linux kernel VFIO/PCI, provides technical details, and urges immediate patching.
4 of 4 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| OS | linux | linux_kernel | - | - | - |
| OS | linux | linux_kernel | 7.1 | - | - |
| OS | linux | linux_kernel | 7.1 | - | - |
| OS | linux | linux_kernel | 7.1 | - | - |