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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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| arm | cortex-m33_firmware | r0p0 - r1p0 | - |
| arm | cortex-m35p_firmware | - | - |
| arm | cortex-m55_firmware | r0p0 - r1p0 |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
4
Affected Products
4
References
arm / cortex-m33_firmware
| - |
| arm | china_star-mc1_firmware | - | - |
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Exploitability
Impact