CVE Vulnerability

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).

3.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

3.4 /10

CVSS v3.0 : LOW

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 2.5

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://developer.arm.com/support/arm-security-updates/vlldm-instruction-security-vulnerability Vendor Advisory
https://developer.arm.com/support/arm-security-updates Vendor Advisory
Configurations

Configuration 1
Information

Published : 2021-08-23 01:15

Updated : 2022-07-12 05:42

NVD link : CVE-2021-35465

Mitre link : CVE-2021-35465

Products Affected
No products.
CWE
NVD-CWE-Other