low3.4
CVE-2021-35465
Certain Arm products before 2021-08-23 do not properly consider the effect of exceptions on a VLLDM instruction.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Arm | Cortex-M33 Firmware | from r0p0 through r1p0 |
| Arm | Cortex-M35p Firmware | Version r0 |
| Arm | Cortex-M55 Firmware | from r0p0 through r1p0 |
| Arm | China Star-Mc1 Firmware | All versions |
References
- NVD record
- CVE.org record
- https://developer.arm.com/support/arm-security-updates
- https://developer.arm.com/support/arm-security-updates/vlldm-instruction-security-vulnerability
- https://developer.arm.com/support/arm-security-updates
- https://developer.arm.com/support/arm-security-updates/vlldm-instruction-security-vulnerability