What is CVE-2023-26083?

CVE-2023-26083 is a low-severity vulnerability in Arm 5th Gen GPU Architecture Kernel Driver, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.3/10. Published 2023-04-06.

How severe is CVE-2023-26083?

Low severity. CVSS v3 base score is 3.3 out of 10.

Is CVE-2023-26083 known to be exploited?

Yes. CVE-2023-26083 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-04-07), indicating it is being actively exploited. 11 public proof-of-concept repositories are indexed.

Vulnerability in Arm 5th Gen GPU Architecture Kernel Driver

CVE-2023-26083

Memory leak vulnerability in Mali GPU Kernel Driver in Midgard GPU Kernel Driver all versions from r6p0 - r32p0, Bifrost GPU Kernel Driver all versions from r0p0 - r42p0, Valhall GPU Kernel Driver all versions from r19p0 - r42p0, and Avalon GPU Kernel Driver all versions from r41p0 - r42p0 allows a non-privileged user to make valid GPU processing operations that expose sensitive kernel metadata.

Published 2023-04-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.012 (68.2th percentile), scored 2026-10-18.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2023-04-07. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2023-04-28.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

developer.arm.com/Arm Security Center/Mali GPU Driver Vulnerabilities (Vendor Advisory)
www.cybersecurity-help.cz/vdb/SB2023033049 (Third Party Advisory)
www.cybersecurity-help.cz/vulnerabilities/74210/ (Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2023-26083?: CVE-2023-26083 is a low-severity vulnerability in Arm 5th Gen GPU Architecture Kernel Driver, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.3/10. Published 2023-04-06.
How severe is CVE-2023-26083?: Low severity. CVSS v3 base score is 3.3 out of 10.
Is CVE-2023-26083 known to be exploited?: Yes. CVE-2023-26083 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-04-07), indicating it is being actively exploited. 11 public proof-of-concept repositories are indexed.