CVE-2021-35465
Low
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).
SeverityLow
CVSS3.4
Exploit probability—
Product
Arm Cortex-m33 Firmware
PublishedAug 23, 2021
First seenAug 23, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| arm cortex-m33_firmware | r0p0 ≤ v ≤ r1p0 | — |
| arm cortex-m35p_firmware | r0 | — |
| arm cortex-m55_firmware | r0p0 ≤ v ≤ r1p0 | — |
| arm china_star-mc1_firmware | No range specified | — |
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