CVE-2025-40213

Summary

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: MGMT: fix crash in set_mesh_sync and set_mesh_complete

There is a BUG: KASAN: stack-out-of-bounds in set_mesh_sync due to memcpy from badly declared on-stack flexible array.

Another crash is in set_mesh_complete() due to double list_del via mgmt_pending_valid + mgmt_pending_remove.

Use DEFINE_FLEX to declare the flexible array right, and don't memcpy outside bounds.

As mgmt_pending_valid removes the cmd from list, use mgmt_pending_free, and also report status on error.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxd71b98f253b079cbadc83266383f26fe7e9e103b < 5c19daa93d9af29f1f46251b47e1ea66bcc8d679affected
LinuxLinux302a1f674c00dd5581ab8e493ef44767c5101aab < 1c9aca1787e8395a2c59fef20e914467958969c5affected
LinuxLinux302a1f674c00dd5581ab8e493ef44767c5101aab < e8785404de06a69d89dcdd1e9a0b6ea42dc6d327affected
LinuxLinux0b60eb04b8524e1b4b3f07fea0d16fda9a677d9aaffected
LinuxLinux87a1f16f07c6c43771754075e08f45b41d237421affected
LinuxLinux6.6.140 < 6.7affected
LinuxLinux6.16.10 < 6.17affected
LinuxLinux6.17affected
LinuxLinux0 < 6.17unaffected
LinuxLinux6.17.8 <= 6.17.*unaffected
LinuxLinux6.18 <= *unaffected

Weaknesses

References