What is CVE-2023-6363?

CVE-2023-6363 is a medium-severity vulnerability in Arm 5th Gen Gpu Architecture Kernel Driver, classified under Use After Free. CVSS score: 5.1/10. Published 2024-05-03.

How severe is CVE-2023-6363?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Is CVE-2023-6363 known to be exploited?

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

Use After Free in Arm 5th Gen Gpu Architecture Kernel Driver

CVE-2023-6363

Use After Free vulnerability in 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. If the system’s memory is carefully prepared by the user, then this in turn could give them access to already freed memory. This issue affects Valhall GPU Kernel Driver: from r41p0 through r47p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r47p0.

Vulnerability class: Use-After-Free

EPSS: 0.002 (6.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

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

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

References

arm-security@arm.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-6363?: CVE-2023-6363 is a medium-severity vulnerability in Arm 5th Gen Gpu Architecture Kernel Driver, classified under Use After Free. CVSS score: 5.1/10. Published 2024-05-03.
How severe is CVE-2023-6363?: Medium severity. CVSS v3 base score is 5.1 out of 10.
Is CVE-2023-6363 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.