How severe is CVE-2021-44828?

CVE-2021-44828 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-2021-44828 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44828?

CVE-2021-44828 primarily affects Arm Bifrost Gpu Kernel Driver. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-44828?

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-2021-44828 published?

CVE-2021-44828 was published on 2022-01-14 and last updated on 2026-06-17.

CVE-2021-44828

CVE-2021-44828 is a high-severity vulnerability in Arm Bifrost Gpu 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)
CVSS v2: 7.2
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Arm Bifrost Gpu Kernel Driver
Published: 2022-01-14
Last modified: 2026-06-17

Description

Arm Mali GPU Kernel Driver (Midgard r26p0 through r30p0, Bifrost r0p0 through r34p0, and Valhall r19p0 through r34p0) allows a non-privileged user to achieve write access to read-only memory, and possibly obtain root privileges, corrupt memory, and modify the memory of other processes.

Frequently asked questions

What is CVE-2021-44828?: Arm Mali GPU Kernel Driver (Midgard r26p0 through r30p0, Bifrost r0p0 through r34p0, and Valhall r19p0 through r34p0) allows a non-privileged user to achieve write access to read-only memory, and possibly obtain root privileges, corrupt memory, and modify the memory of other processes.
How severe is CVE-2021-44828?: CVE-2021-44828 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-2021-44828 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44828?: CVE-2021-44828 primarily affects Arm Bifrost Gpu Kernel Driver. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-44828?: 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-2021-44828 published?: CVE-2021-44828 was published on 2022-01-14 and last updated on 2026-06-17.

References

https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver

Affected products (3)

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:*:*:*:*:*:*:*:*

More vulnerabilities in Arm Bifrost Gpu Kernel Driver

CVE-2022-28349 — Critical (CVSS 9.8): Arm Mali GPU Kernel Driver has a use-after-free: Midgard r28p0 through r29p0 before r30p0, Bifrost r17p0 through r23p0…
CVE-2022-28348 — Critical (CVSS 9.8): Arm Mali GPU Kernel Driver (Midgard r4p0 through r31p0, Bifrost r0p0 through r36p0 before r37p0, and Valhall r19p0…
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-2022-46891 — High (CVSS 8.8): An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make…
CVE-2022-38181 — High (CVSS 8.8): The Arm Mali GPU kernel driver allows unprivileged users to access freed memory because GPU memory operations are…
CVE-2021-29256 — High (CVSS 8.8): . The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information…

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