CVE-2023-34320 — MEDIUM (5.5)

Vulnerability 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.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Arm	Cortex-A77 Firmware	r0p0
Arm	Cortex-A77	-
Xen	Xen	All versions

Related Weaknesses (CWE)

CWE-667

References

https://xenbits.xenproject.org/xsa/advisory-436.htmlThird Party Advisory
http://xenbits.xen.org/xsa/advisory-436.html
https://xenbits.xenproject.org/xsa/advisory-436.htmlThird Party Advisory

FAQ

What is CVE-2023-34320?

CVE-2023-34320 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 mem...

How severe is CVE-2023-34320?

CVE-2023-34320 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-34320?

Check the references section above for vendor advisories and patch information. Affected products include: Arm Cortex-A77 Firmware, Arm Cortex-A77, Xen Xen.