CVE-2021-35465

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).

• https://developer.arm.com/support/arm-security-updatesVendor Advisory
• https://developer.arm.com/support/arm-security-updates/vlldm-instruction-security-vulnerabilityVendor Advisory
• https://developer.arm.com/support/arm-security-updatesVendor Advisory
• https://developer.arm.com/support/arm-security-updates/vlldm-instruction-security-vulnerabilityVendor Advisory

Published

Aug 23, 2021

Last Modified

Jun 17, 2026

Status

Modified

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