CVEvulnerability

CVE-2021-35465

3.4 LOW Published 2021-08-23 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-23
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.4 LOW — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
CVSS 2.0 ([email protected])
3.6 LOW — AV:L/AC:L/Au:N/C:P/I:P/A:N

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).

Affected configurations

• arm cortex-m33 firmware (>= r0p0 <= r1p0) • arm cortex-m35p firmware r0 • arm cortex-m55 firmware (>= r0p0 <= r1p0) • arm china star-mc1 firmware

References