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PatchSiren cyber security CVE debrief

CVE-2023-26083 Arm CVE debrief

CVE-2023-26083 is an Arm Mali GPU kernel driver information disclosure vulnerability that CISA added to the Known Exploited Vulnerabilities catalog on 2023-04-07. Because it is KEV-listed, defenders should treat it as a real-world risk rather than a purely theoretical issue. The supplied records do not include a CVSS score, so prioritization should rely on exploitation status and asset exposure. The recommended response is to follow Arm’s update guidance and verify that affected systems are patched.

Vendor
Arm
Product
Mali Graphics Processing Unit (GPU)
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2023-04-07
Original CVE updated
2023-04-07
Advisory published
2023-04-07
Advisory updated
2023-04-07

Who should care

Organizations using devices or systems with the Arm Mali GPU kernel driver, especially teams responsible for mobile, embedded, and endpoint patching, should care. Security operations and vulnerability management teams should prioritize any asset that could be exposed to information disclosure and follow the KEV deadline.

Technical summary

The supplied source corpus describes a vulnerability in the Arm Mali GPU kernel driver that can lead to information disclosure. CISA lists the issue in its Known Exploited Vulnerabilities catalog, indicating observed exploitation. The corpus does not provide exploitation mechanics, affected versions, or a CVSS score, so the most reliable technical framing is limited to the driver component, the disclosure impact class, and KEV status.

Defensive priority

High. CISA KEV listing and a due date of 2023-04-28 indicate this issue should be addressed promptly on any exposed or in-scope Arm Mali GPU deployments.

Recommended defensive actions

  • Apply Arm vendor updates per the vendor instructions referenced by CISA.
  • Inventory systems that use the Arm Mali GPU kernel driver and identify exposed or internet-reachable assets.
  • Prioritize remediation to meet or exceed the CISA KEV due date of 2023-04-28.
  • Confirm patch deployment on endpoints, mobile devices, and embedded systems that may not follow standard server patch workflows.
  • Track the official CVE and NVD records for any later updates to affected versions or remediation guidance.

Evidence notes

This debrief is based only on the supplied CISA KEV source item metadata and the official links provided in the corpus. The source item identifies the issue as an Arm Mali GPU kernel driver information disclosure vulnerability, marks it as KEV-listed, and records a dateAdded of 2023-04-07 with a dueDate of 2023-04-28. No CVSS score or affected-version list was included in the supplied corpus.

Official resources

CISA published the KEV entry on 2023-04-07 and set a due date of 2023-04-28. The supplied corpus does not include a CVSS score or further technical detail beyond the information disclosure classification.