CVE-2023-5643

Mali GPU Kernel Driver allows improper GPU memory processing operations

Description

Out-of-bounds Write vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user to make improper GPU memory processing operations. Depending on the configuration of the Mali GPU Kernel Driver, and if the system’s memory is carefully prepared by the user, then this in turn could write to memory outside of buffer bounds.This issue affects Bifrost GPU Kernel Driver: from r41p0 through r45p0; Valhall GPU Kernel Driver: from r41p0 through r45p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r45p0.

Remediation

Solution:

  • This issue is fixed in Bifrost, Valhall, and Arm 5th Gen GPU Architecture Kernel Driver r46p0. Users are recommended to upgrade if they are impacted by this issue.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.13%
Vendor Advisory arm.com
Affected: Arm Ltd Bifrost GPU Kernel Driver
Affected: Arm Ltd Valhall GPU Kernel Driver
Affected: Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-5643?
CVE-2023-5643 has been scored as a high severity vulnerability.
How to fix CVE-2023-5643?
To fix CVE-2023-5643: This issue is fixed in Bifrost, Valhall, and Arm 5th Gen GPU Architecture Kernel Driver r46p0. Users are recommended to upgrade if they are impacted by this issue.
Is CVE-2023-5643 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-5643 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-2023-5643?
CVE-2023-5643 affects Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver.
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