Access of Resource Using Incompatible Type ('Type Confusion') Affecting op-tee/optee_os package, versions [4.3.0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-OPTEEOPTEEOS-17394041
- published22 Jun 2026
- disclosed3 Jun 2026
- creditHaruto Kimura
Introduced: 3 Jun 2026
CVE-2026-45702 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type ('Type Confusion') in the handle_mem_op_tmem() function when handling an FFA_MEM_SHARE request from the normal world. An attacker can cause a kernel panic at S-EL1 by sending a specially crafted request. This is only exploitable if CFG_CORE_SEL1_SPMC=y and CFG_SECURE_PARTITION=y are enabled.