CVE-2023-32804

Mali GPU Userspace Driver can make an Out-of-Bounds access

Description

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.

Remediation

Solution:

  • This issue is fixed in Bifrost, Valhall and Arm 5th Gen GPU Architecture Userspace Driver r44p1 and r45p0. Users are recommended to upgrade if they are impacted by this issue. Please contact Arm support for Midgard GPUs.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.20%
Vendor Advisory arm.com
Affected: Arm Ltd Midgard GPU Userspace Driver
Affected: Arm Ltd Bifrost GPU Userspace Driver
Affected: Arm Ltd Valhall GPU Userspace Driver
Affected: Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver
Published at:
Updated at:

References

Link Tags
https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-32804?
CVE-2023-32804 has been scored as a high severity vulnerability.
How to fix CVE-2023-32804?
To fix CVE-2023-32804: This issue is fixed in Bifrost, Valhall and Arm 5th Gen GPU Architecture Userspace Driver r44p1 and r45p0. Users are recommended to upgrade if they are impacted by this issue. Please contact Arm support for Midgard GPUs.
Is CVE-2023-32804 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-32804 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-32804?
CVE-2023-32804 affects 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.
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