CVE-2026-68400High· 7.8▾ TwilightIn 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 a…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 21.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
0.1% → 0.1%
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.
Linux >= 113580530ee7dc61e668b641d657920734533b9f < 6e902bea625b710f8bf2f40b4ae4b14fa6a33f13Linux >= 113580530ee7dc61e668b641d657920734533b9f < b39b08e6bee812514b449dc874076890e6b871a0Linux >= 113580530ee7dc61e668b641d657920734533b9f < 8ef18f0ab3c0ec1eac77289f5a542bd96a8a6d66Linux >= 113580530ee7dc61e668b641d657920734533b9f < b4d961351aa84fdf0148783fb1f3a1391b8a0adbLinux 6.7Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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