How severe is CVE-2023-32804?

CVE-2023-32804 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-32804 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-32804?

CVE-2023-32804 primarily affects Arm 5th Gen Gpu Architecture Kernel Driver. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-32804?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-32804 published?

CVE-2023-32804 was published on 2023-12-04 and last updated on 2026-06-17.

CVE-2023-32804

CVE-2023-32804 is a high-severity vulnerability in Arm 5th Gen Gpu Architecture Kernel Driver with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Arm 5th Gen Gpu Architecture Kernel Driver
Published: 2023-12-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-32804?: 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.
How severe is CVE-2023-32804?: CVE-2023-32804 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-32804 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-32804?: CVE-2023-32804 primarily affects Arm 5th Gen Gpu Architecture Kernel Driver. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-32804?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-32804 published?: CVE-2023-32804 was published on 2023-12-04 and last updated on 2026-06-17.

References

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

Affected products (4)

cpe:2.3:a:arm:5th_gen_gpu_architecture_kernel_driver:*:*:*:*:*:*:*:*
cpe:2.3:a:arm:bifrost_gpu_kernel_driver:*:*:*:*:*:*:*:*
cpe:2.3:a:arm:midgard_gpu_kernel_driver:*:*:*:*:*:*:*:*
cpe:2.3:a:arm:valhall_gpu_kernel_driver:*:*:*:*:*:*:*:*

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