CVE-2023-34320

Published: Dec 8, 2023Modified: Jun 17, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

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.

Affected (3)

Products: Arm: Cortex A77 Firmware · Xen: Xen

1 product

Cortex A77 Firmware

1 product

Configuration A

2 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Arm Cortex A77 Firmware	Version r0p0
Arm Cortex A77 Firmware	Version r1p0

Running on/with	Platform Versions
Arm Cortex A77	All versions

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Xen Xen	All versions

Related CWEs

Improper Locking

The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.

References (3)

https://xenbits.xenproject.org/xsa/advisory-436.html

Source: security@xen.org

Third Party Advisory

http://xenbits.xen.org/xsa/advisory-436.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://xenbits.xenproject.org/xsa/advisory-436.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.