Cortex-A77 Deadlock via Erratum 1508412 (PAR_EL1 Access)
CVE-2023-34320 Published on December 8, 2023

arm: Guests can trigger a deadlock on Cortex-A77
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.

NVD


Products Associated with CVE-2023-34320

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Citrix Xen Xen
 

Affected Versions

Xen Version consult Xen advisory XSA-436 is unknown by CVE-2023-34320

Exploit Probability

EPSS
0.11%
Percentile
28.70%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.