Low severity3.4NVD Advisory· Published Aug 23, 2021· Updated Jun 17, 2026
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
7- cpe:2.3:o:arm:china_star-mc1_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:arm:cortex-m35p_firmware:r0:*:*:*:*:*:*:*
- Arm/Arm Cortex-M33description
- Range: <2021-08-23
Patches
Vulnerability mechanics
References
2- developer.arm.com/support/arm-security-updatesnvdVendor Advisory
- developer.arm.com/support/arm-security-updates/vlldm-instruction-security-vulnerabilitynvdVendor Advisory
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