High severity7.8NVD Advisory· Published Jun 26, 2026· Updated Jul 8, 2026
CVE-2026-53296
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.
Affected products
4Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/02beb178e2e159daeb8f992d7abb16a37da31664nvdPatch
- git.kernel.org/stable/c/0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6bnvdPatch
- git.kernel.org/stable/c/15c4cc3850cfe1b973eb7b63c02314b267f06a64nvdPatch
- git.kernel.org/stable/c/187069ccc3474516af32350e20d7e449160fa6denvdPatch
- git.kernel.org/stable/c/6c6ce2ccb4fcf1617fec83f91b21aa0265f30701nvdPatch
- git.kernel.org/stable/c/742001919653e7313b4e91780c5d108be1692365nvdPatch
- git.kernel.org/stable/c/81c9e7e4030e71391ab479c4c6e17b64802577aanvdPatch
- git.kernel.org/stable/c/c02053a9055d5fdfd32432287cca8958db1d5bc5nvdPatch
News mentions
1- Linux Kernel: 25 Vulnerabilities Affecting Networking, Graphics, and Memory Management Disclosed TogetherVypr Intelligence · Jun 27, 2026