UNKNOWN NVD
CVE-2026-68400
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Fix Endpoint Memory Access Descriptor offset calculation Use the descri
In the Linux kernel, the following vulnerability has been resolved:
firmware: arm_ffa: Fix Endpoint Memory Access Descriptor offset calculation
Use the descriptor's `ep_mem_offset` to calculate the start of the endpoint
memory access array and to comply with the FF-A spec instead of defaulting
to `sizeof(struct ffa_mem_region)`.
This requires moving `ffa_mem_region_additional_setup()` earlier in the setup
flow.
Also, add sanity checks to ensure the calculated descriptor offsets do not
exceed `max_fragsize`.
References
- https://git.kernel.org/stable/c/8ef18f0ab3c0ec1eac77289f5a542bd96a8a6d66
- https://git.kernel.org/stable/c/b39b08e6bee812514b449dc874076890e6b871a0
- https://git.kernel.org/stable/c/b4d961351aa84fdf0148783fb1f3a1391b8a0adb
This unknown severity vulnerability was published on 2026-08-10 via NVD.
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