CVE-2026-68176

Not scored yetLast modified Aug 19, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

tracing: Fix mmiotrace possible NULL dereferencing of hiter->dev

If the mmio_pipe_open() fails to find a PCI device, the hiter->dev will be assigned to NULL. The mmiotrace read() function dereferences the hiter->dev if hiter exists.

Change the test of the read to not only check hiter being NULL, but also the hiter->dev before dereferencing it.

Metrics

No CVSS score has been published yet.

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Aug 10, 2026
Last modified
Aug 19, 2026
NVD status
Received

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CVE-2026-68176: Unscored | Vulnix