What is CVE-2023-5643?

CVE-2023-5643 is a high-severity vulnerability in Arm 5th_gen_gpu_architecture_kernel_driver, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2024-02-05.

How severe is CVE-2023-5643?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2023-5643 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Arm 5th_gen_gpu_architecture_kernel_driver

CVE-2023-5643

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 operati…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (7.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Arm 5th_gen_gpu_architecture_kernel_driver
Arm Bifrost_gpu_kernel_driver
Arm Valhall_gpu_kernel_driver
Arm Ltd 5th Gen Gpu Architecture Kernel Driver — versions r41p0
Arm Ltd Bifrost Gpu Kernel Driver — versions r41p0
Arm Ltd Valhall Gpu Kernel Driver — versions r41p0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

arm-security@arm.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-5643?: CVE-2023-5643 is a high-severity vulnerability in Arm 5th_gen_gpu_architecture_kernel_driver, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2024-02-05.
How severe is CVE-2023-5643?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-5643 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.