How severe is CVE-2022-46394?

CVE-2022-46394 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-46394 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-46394?

CVE-2022-46394 primarily affects Arm Avalon Gpu Kernel Driver. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-46394?

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-2022-46394 published?

CVE-2022-46394 was published on 2023-03-08 and last updated on 2026-06-17.

CVE-2022-46394

CVE-2022-46394 is a high-severity vulnerability in Arm Avalon Gpu Kernel Driver with a CVSS 3.x base score of 8.8. 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-416.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Arm Avalon Gpu Kernel Driver
Published: 2023-03-08
Last modified: 2026-06-17

Description

An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Valhall r39p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0.

Frequently asked questions

What is CVE-2022-46394?: An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Valhall r39p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0.
How severe is CVE-2022-46394?: CVE-2022-46394 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-46394 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-46394?: CVE-2022-46394 primarily affects Arm Avalon Gpu Kernel Driver. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-46394?: 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-2022-46394 published?: CVE-2022-46394 was published on 2023-03-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:arm:avalon_gpu_kernel_driver:r41p0:*:*:*:*:*:*:*
cpe:2.3:a:arm:valhall_gpu_kernel_driver:*:*:*:*:*:*:*:*

More vulnerabilities in Arm Avalon Gpu Kernel Driver

CVE-2022-46395 — High (CVSS 8.8): An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing…
CVE-2023-28469 — Medium (CVSS 5.5): An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing…
CVE-2023-28147 — Medium (CVSS 5.5): An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing…
CVE-2022-46396 — Low (CVSS 3.3): An issue was discovered in the Arm Mali Kernel Driver. A non-privileged user can make improper GPU memory processing…
CVE-2022-46781 — Low (CVSS 3.3): An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU memory…

All CVEs affecting Arm Avalon Gpu Kernel Driver →

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CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

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