CVE-2026-68401
CVE-2026-68401: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.0
High [CVE-2026-68401] Fix out-of-bound writes in ffa_setup_and_transmit
CVE-2026-68401Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Fix out-of-bound writes in ffa_setup_and_transmit() Sashiko (locally) reports multiple out-of-bound issues in ffa_setup_and_transmit: 1) Writing ep_mem_access->reserved can write out of bounds for FFA versions < 1.2 as ffa_emad_size_get() returns 16 bytes in that case while reserved has an offset of 24. Instead of zeroing fields, memset the struct to zero first based on the FFA version. 2) Make sure there is enough size to write constituents. While at it, convert the only sizeof() in the driver that uses a type instead of variable. A flaw was found in the ARM Firmware Framework for Arm (FFA) driver within the Linux kernel. This vulnerability, specifically in the `ffa_setup_and_transmit()` function…
- Affected products in this advisory
- Red Hat Enterprise Linux for NVIDIA 26
- Red Hat package: kernel
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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