What is CVE-2026-80654?

CVE-2026-80654 is a unscored severity Linux kernel vulnerability. CVE-2026-80654 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-80654?

CVE-2026-80654 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-80654?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2026-80654 patch availability.

Is CVE-2026-80654 actively exploited?

CVE-2026-80654 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-80654

In the Linux kernel, the following vulnerability has been resolved: soc: xilinx: Shutdown and free rx mailbox channel A mbox rx channel is requested using mbox_request_channel_byname() in probe. In remove callback, the rx mailbox channel is cleaned up when the rx_chan is NULL due to incorrect condition check. The mailbox channel is not shutdown and it can receive messages even after the device removal. This leads to use after free. Also the channel resources are not freed. Fix this by checking the rx_chan correctly.

Package Linux Kernel

Published 2026-08-28

Last modified 2026-08-28

Patch available

Awaiting data

References

4 total

Kernel Git
https://git.kernel.org/stable/c/a83e77d1e52c01c50096e6e97c57d34e0590d628
Kernel Git
https://git.kernel.org/stable/c/b0f748c563921a7918c78e6a599cefd54de7d688
Kernel Git
https://git.kernel.org/stable/c/b5d2240c2c7bc8370e7ba54a2e1fe3919f55aee5
Kernel Git
https://git.kernel.org/stable/c/fdee7c66c0d7b6869c36b9f9a915abf29ab5b550