CVE-2026-53295

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux2b6d83e2b8b7de82331a6a1dcd64b51020a6031c < 5cc3300fab262b26c28bc2fc06df693410c3840baffected
LinuxLinux2b6d83e2b8b7de82331a6a1dcd64b51020a6031c < 0f11444271110d9b5bc6316a153c6431abda899caffected
LinuxLinux2b6d83e2b8b7de82331a6a1dcd64b51020a6031c < d44872a569b8fbacde457ff2587a775e5004bb79affected
LinuxLinux2b6d83e2b8b7de82331a6a1dcd64b51020a6031c < 14aed0d4e58389cc6a88acf8610b12d3e476272baffected
LinuxLinux2b6d83e2b8b7de82331a6a1dcd64b51020a6031c < 6362c4a7d7e21e68cd9aa04df7cde16befba3a4baffected
LinuxLinux2b6d83e2b8b7de82331a6a1dcd64b51020a6031c < 9dd7489943324298bb0f385495795a82f1dd6507affected
LinuxLinux2b6d83e2b8b7de82331a6a1dcd64b51020a6031c < 37792091ab28ba030fd8d61184c47d4d51294170affected
LinuxLinux2b6d83e2b8b7de82331a6a1dcd64b51020a6031c < c1aad75595fb67edc7fda8af249d3b886efa1be9affected
LinuxLinux3.18affected
LinuxLinux0 < 3.18unaffected
LinuxLinux5.10.258 <= 5.10.*unaffected
LinuxLinux5.15.209 <= 5.15.*unaffected
LinuxLinux6.1.175 <= 6.1.*unaffected
LinuxLinux6.6.141 <= 6.6.*unaffected
LinuxLinux6.12.91 <= 6.12.*unaffected
LinuxLinux6.18.33 <= 6.18.*unaffected
LinuxLinux7.0.10 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References