Timing Attack Affecting op-tee/optee_os package, versions [3.9.0,]


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.09% (1st percentile)

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  • Snyk IDSNYK-UNMANAGED-OPTEEOPTEEOS-17872227
  • published6 Jul 2026
  • disclosed6 Jul 2026
  • creditUnknown

Introduced: 6 Jul 2026

NewCVE-2026-41515  (opens in a new tab)
CWE-208  (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 Timing Attack in the memcmp process for label hash verification in the RSA-OAEP decryption implementation of the NXP CAAM crypto driver. An attacker can recover plaintext data by sending adaptive chosen ciphertext queries and analyzing distinguishable error responses.

Workaround

This vulnerability can be mitigated by disabling the NXP CAAM RSA driver with CFG_CRYPTO_DRV_RSA=n.

CVSS Base Scores

version 4.0
version 3.1