In ARM Trusted Firmware 1.3, RO memory is always executable at AArch64 Secure EL1, allowing attackers to bypass the MT_EXECUTE_NEVER protection mechanism. This issue occurs because of inconsistency in the number of execute-never bits (one bit versus two bits).
Advisories
Source ID Title
EUVD EUVD EUVD-2017-16568 In ARM Trusted Firmware 1.3, RO memory is always executable at AArch64 Secure EL1, allowing attackers to bypass the MT_EXECUTE_NEVER protection mechanism. This issue occurs because of inconsistency in the number of execute-never bits (one bit versus two bits).
Fixes

Solution

No solution given by the vendor.


Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T16:04:12.016Z

Reserved: 2017-04-06T00:00:00

Link: CVE-2017-7563

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2017-06-07T15:29:00.177

Modified: 2025-04-20T01:37:25.860

Link: CVE-2017-7563

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses