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CVE-2026-68400

7.8 high Published
NVD · CVE.org

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`.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusReceived → PublishedNVD modified 2026-10-21 12:43
  2. StatusPublished → ReceivedNVD modified 2026-10-21 13:19
  3. First seenCVSS 7.8 · linuxNVD modified 2026-10-21 12:43

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4