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CVE-2026-93089

firmware: arm_scmi: Free transport channel on IDR failure

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 6.6.157, 6.12.110, 6.18.52, 7.2.6
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Free transport channel on IDR failure If transport channel setup succeeds but the following IDR insertion fails, the error path destroys the transport device and frees the channel info without invoking the transport cleanup callback. Call chan_free() before destroying the device so transport specific resources such as IRQs, mailbox channels and mapped shared memory are released consistently with the normal teardown path.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 05a2801d8b90c1b5159618d4bd3a3c65d60f3ff1 · fixed in ae7980c9af698d0a7e6790d49249abc71f0fc304; From 05a2801d8b90c1b5159618d4bd3a3c65d60f3ff1 · fixed in de0a4c103740cf54cf77370d47e03c9aa51aa5ee; From 05a2801d8b90c1b5159618d4bd3a3c65d60f3ff1 · fixed in d7c60c0fe2bd452b56fe07947842d64da61b7290; From 05a2801d8b90c1b5159618d4bd3a3c65d60f3ff1 · fixed in fbaebd380caa4e1cec9306ca00231da6518a123f; From 05a2801d8b90c1b5159618d4bd3a3c65d60f3ff1 · fixed in d72e7e5f24687c0490aabf317653caffe0447aeb

  • Linux Linux

    6.3

  • KernelLinux

    From 6.3.0 · fixed in 6.6.157; From 6.7.0 · fixed in 6.12.110; From 6.13.0 · fixed in 6.18.52; From 6.19.0 · fixed in 7.2.6

References 5

git.kernel.org