CVSS 8.4 (high) · published 2026-11-10
In smmu_find_ste of smmu.c, there is a possible way to retain stale translation lookaside buffer entries across stream identifiers due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness: CWE-441
Source: NVD CVE-2026-56930
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