CVE-2026-53295
MEDIUM severity · CVSS 5.5
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/0f11444271110d9b5bc6316a153c6431abda899c ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/0f11444271110d9b5bc6316a153c6431abda899cPatch
- https://git.kernel.org/stable/c/14aed0d4e58389cc6a88acf8610b12d3e476272bPatch
- https://git.kernel.org/stable/c/37792091ab28ba030fd8d61184c47d4d51294170Patch
- https://git.kernel.org/stable/c/5cc3300fab262b26c28bc2fc06df693410c3840bPatch
- https://git.kernel.org/stable/c/6362c4a7d7e21e68cd9aa04df7cde16befba3a4bPatch
- https://git.kernel.org/stable/c/9dd7489943324298bb0f385495795a82f1dd6507Patch
- https://git.kernel.org/stable/c/c1aad75595fb67edc7fda8af249d3b886efa1be9Patch
- https://git.kernel.org/stable/c/d44872a569b8fbacde457ff2587a775e5004bb79Patch