5.5
MEDIUM
CVE-2023-34320
ARM Cortex-A77 CPU Deadlock 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.

INFO

Published Date :

Dec. 8, 2023, 9:15 p.m.

Last Modified :

Nov. 21, 2024, 8:07 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2023-34320 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Arm cortex-a77_firmware
2 Arm cortex-a77
1 Xen xen
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-34320.

URL Resource
https://xenbits.xenproject.org/xsa/advisory-436.html Third Party Advisory
https://xenbits.xenproject.org/xsa/advisory-436.html Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-34320 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-34320 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://xenbits.xenproject.org/xsa/advisory-436.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Dec. 13, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://xenbits.xenproject.org/xsa/advisory-436.html No Types Assigned https://xenbits.xenproject.org/xsa/advisory-436.html Third Party Advisory
    Added CWE NIST CWE-667
    Added CPE Configuration AND OR *cpe:2.3:o:arm:cortex-a77_firmware:r0p0:*:*:*:*:*:*:* *cpe:2.3:o:arm:cortex-a77_firmware:r1p0:*:*:*:*:*:*:* OR cpe:2.3:h:arm:cortex-a77:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
  • CVE Received by [email protected]

    Dec. 08, 2023

    Action Type Old Value New Value
    Added 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.
    Added Reference Xen Project https://xenbits.xenproject.org/xsa/advisory-436.html [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-34320 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-34320 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.02%

score

0.27340

percentile

CVSS31 - Vulnerability Scoring System
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