CVE-2026-53296
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJun 26, 2026
First seenJun 26, 2026
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10 or later
Patches
- git.kernel.org/stable/c/02beb178e2e159daeb8f992d7abb16a37da31664
- git.kernel.org/stable/c/0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6b
- git.kernel.org/stable/c/15c4cc3850cfe1b973eb7b63c02314b267f06a64
- git.kernel.org/stable/c/187069ccc3474516af32350e20d7e449160fa6de
- git.kernel.org/stable/c/6c6ce2ccb4fcf1617fec83f91b21aa0265f30701
- git.kernel.org/stable/c/742001919653e7313b4e91780c5d108be1692365
- git.kernel.org/stable/c/81c9e7e4030e71391ab479c4c6e17b64802577aa
- git.kernel.org/stable/c/c02053a9055d5fdfd32432287cca8958db1d5bc5
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.4 ≤ v < 5.10.258, 5.11 ≤ v < 5.15.209, 5.16 ≤ v < 6.1.175, 6.2 ≤ v < 6.6.141, 6.7 ≤ v < 6.12.91, 6.13 ≤ v < 6.18.33, 6.19 ≤ v < 7.0.10, 7.1 | 5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10 |
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