CVE-2026-56934 · Infrastructure
NO FIX YET
A logic error in the Arm LPAE IOMMU page table code (arm_lpae_split_blk_unmap) lets a local user with ordinary access escalate privileges. No user interaction is needed to exploit it.
first public Nov 10, 2026 · 1 source
Could this affect your app?
Free first check from your website. Connect your repo for the full answer.
No product ranges from the sources yet.
Who cares arm, kernel, linux
Unknown from the sources.
No fix yet, per the sources.
In arm_lpae_split_blk_unmap of drivers/iommu/io-pgtable-arm-common.c, there is a possible Logic error due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
Check it with your coding agent
It reads this page and tells you if your code is affected.
Are you affected?
Ask from here. InfraStack checks the affected versions against your stack and answers in your inbox.
InfraStack checks the affected versions against your stack and answers in Slack, with the evidence and the fix.