CVE-2017-7563
High
Description
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).
SeverityHigh
CVSS8.1
Exploit probability—
ProductTrustedfirmware Trusted Firmware-a
PublishedJun 7, 2017
First seenJun 7, 2017
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| trustedfirmware trusted_firmware-a | v ≤ 1.3 | — |
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