VDB-246784 · CVE-2023-32804 · GCVE-0-2023-32804

Arm Midgard GPU Userspace Driver out-of-bounds write

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Arm Midgard GPU Userspace Driver, Bifrost GPU Userspace Driver, Valhall GPU Userspace Driver and 5th Gen GPU Architecture Userspace Driver. It has been declared as critical. Affected is an unknown function. Executing a manipulation can lead to out-of-bounds write. The identification of this vulnerability is CVE-2023-32804. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability has been found in Arm Midgard GPU Userspace Driver, Bifrost GPU Userspace Driver, Valhall GPU Userspace Driver and 5th Gen GPU Architecture Userspace Driver (Hardware Driver Software) (version now known) and classified as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Out-of-bounds Write vulnerability in Arm Ltd Midgard GPU Userspace Driver, Arm Ltd Bifrost GPU Userspace Driver, Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a local non-privileged user to write a constant pattern to a limited amount of memory not allocated by the user space driver.This issue affects Midgard GPU Userspace Driver: from r0p0 through r32p0; Bifrost GPU Userspace Driver: from r0p0 through r44p0; Valhall GPU Userspace Driver: from r19p0 through r44p0; Arm 5th Gen GPU Architecture Userspace Driver: from r41p0 through r44p0.

The weakness was shared 12/04/2023. The advisory is shared for download at developer.arm.com. This vulnerability was named CVE-2023-32804 since 05/15/2023. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Hardware Driver Software

Vendor

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/15/2023 🔍
12/04/2023 +203 days 🔍
12/04/2023 +0 days 🔍
12/23/2023 +19 days 🔍

Sourcesinfo

Advisory: developer.arm.com
Status: Confirmed

CVE: CVE-2023-32804 (🔍)
GCVE (CVE): GCVE-0-2023-32804
GCVE (VulDB): GCVE-100-246784

Entryinfo

Created: 12/04/2023 13:02
Updated: 12/23/2023 08:59
Changes: 12/04/2023 13:02 (37), 12/23/2023 08:59 (11)
Complete: 🔍
Cache ID: 216::103