CVE-2023-34320
MEDIUMARM Cortex-a77 Firmware - Improper Locking
Title source: ruleDescription
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.
Scores
CVSS v3
5.5
EPSS
0.0010
EPSS Percentile
28.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Classification
CWE
CWE-667
Status
published
Affected Products (3)
arm/cortex-a77_firmware
arm/cortex-a77_firmware
xen/xen
Timeline
Published
Dec 08, 2023
Tracked Since
Feb 18, 2026