Unrated severityNVD Advisory· Published Aug 23, 2021· Updated Aug 4, 2024
CVE-2021-35465
CVE-2021-35465
Description
Certain Arm products before 2021-08-23 do not properly consider the effect of exceptions on a VLLDM instruction. A Non-secure handler may have read or write access to part of a Secure context. This affects Arm Cortex-M33 r0p0 through r1p0, Arm Cortex-M35P r0, Arm Cortex-M55 r0p0 through r1p0, and Arm China STAR-MC1 (in the STAR SE configuration).
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Affected products
3- Arm/Arm Cortex-M33description
- Range: r0p0 through r1p0
Patches
Vulnerability mechanics
References
2- developer.arm.com/support/arm-security-updatesmitrex_refsource_MISC
- developer.arm.com/support/arm-security-updates/vlldm-instruction-security-vulnerabilitymitrex_refsource_CONFIRM
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