CVE-2026-53296

Description

In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: free channels on probe error On probe error, free the previously obtained channels. This not only prevents a leak, but also UAF scenarios because the client structure will be removed nonetheless because it was allocated with devm.

References

• https://git.kernel.org/stable/c/02beb178e2e159daeb8f992d7abb16a37da31664
• https://git.kernel.org/stable/c/0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6b
• https://git.kernel.org/stable/c/15c4cc3850cfe1b973eb7b63c02314b267f06a64
• https://git.kernel.org/stable/c/187069ccc3474516af32350e20d7e449160fa6de
• https://git.kernel.org/stable/c/6c6ce2ccb4fcf1617fec83f91b21aa0265f30701