What is CVE-2026-68176?

CVE-2026-68176 is a unscored severity Linux kernel vulnerability. CVE-2026-68176 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-68176?

CVE-2026-68176 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-68176?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2026-68176 patch availability.

Is CVE-2026-68176 actively exploited?

CVE-2026-68176 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-68176

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.

Package Linux Kernel

Published 2026-08-10

Last modified 2026-08-10

Patch available

Awaiting data

References

5 total

Kernel Git
https://git.kernel.org/stable/c/144f29e85702234b23d2a62abf723e6a17eb5427
Kernel Git
https://git.kernel.org/stable/c/201a01102c529772168181190cb084471082cf5c
Kernel Git
https://git.kernel.org/stable/c/724cd84b0546c07806840fa658714488553d13a2
Kernel Git
https://git.kernel.org/stable/c/8464427e1c177809a9488a97dfa2807d9dcf323b
Kernel Git
https://git.kernel.org/stable/c/faaf95135184208ee3ac6f33175c8d1800669dfc