CVE-2023-34320: arm: Guests can trigger a deadlock on Cortex-A77
First published: Tue Aug 01 2023(Updated: )
Cortex-A77 cores (r0p0 and r1p0) are affected by erratum 1508412 where software, under certain circumstances, could deadlock a core due to the execution of either a load to device or non-cacheable memory, and either a store exclusive or register read of the Physical Address Register (PAR_EL1) in close proximity.
Credit: security@xen.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| Any of | ||
| Arm Cortex-a77 Firmware | =r0p0 | |
| Arm Cortex-a77 Firmware | =r1p0 | |
| Arm Cortex-a77 | ||
| Xen Xen |
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