CVE-2021-35465

LOW

3.4

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).

CVE Details

CVSS v3.1 Score3.4

SeverityLOW

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published8/23/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

arm:china_star-mc1arm:china_star-mc1_firmwarearm:cortex-m33arm:cortex-m33_firmwarearm:cortex-m35parm:cortex-m35p_firmwarearm:cortex-m55arm:cortex-m55_firmware

References

https://developer.arm.com/support/arm-security-updates(cve@mitre.org)

https://developer.arm.com/support/arm-security-updates/vlldm-instruction-security-vulnerability(cve@mitre.org)

https://developer.arm.com/support/arm-security-updates(af854a3a-2127-422b-91ae-364da2661108)

https://developer.arm.com/support/arm-security-updates/vlldm-instruction-security-vulnerability(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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