CVE-2026-53295
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: mailbox: add sanity check for channel array Fail gracefully if there is no channel array attached to the mailbox controller. Otherwise the later dereference will cause an OOPS which might not be seen because mailbox controllers might instantiate very early. Remove the comment explaining the obvious while here.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJun 26, 2026
First seenJun 26, 2026
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/0f11444271110d9b5bc6316a153c6431abda899c
- git.kernel.org/stable/c/14aed0d4e58389cc6a88acf8610b12d3e476272b
- git.kernel.org/stable/c/37792091ab28ba030fd8d61184c47d4d51294170
- git.kernel.org/stable/c/5cc3300fab262b26c28bc2fc06df693410c3840b
- git.kernel.org/stable/c/6362c4a7d7e21e68cd9aa04df7cde16befba3a4b
- git.kernel.org/stable/c/9dd7489943324298bb0f385495795a82f1dd6507
- git.kernel.org/stable/c/c1aad75595fb67edc7fda8af249d3b886efa1be9
- git.kernel.org/stable/c/d44872a569b8fbacde457ff2587a775e5004bb79
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.18.1 ≤ 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, 3.18, 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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