CVE-2026-53296
Not scored
mailbox: mailbox-test: free channels on probe error
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.
Exploit probability
0.1%
Published
June 26, 2026
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2026-53296
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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
- https://git.kernel.org/stable/c/742001919653e7313b4e91780c5d108be1692365
- https://git.kernel.org/stable/c/81c9e7e4030e71391ab479c4c6e17b64802577aa
- https://git.kernel.org/stable/c/c02053a9055d5fdfd32432287cca8958db1d5bc5
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53296.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-53296