Security readout for executives and security teams
Plain-English summary
This bug could let a local, unprivileged user read data from GPU driver memory that should no longer be accessible. It is not described as remotely exploitable, but CISA lists CVE-2023-4211 in KEV, so organizations should treat affected Mali GPU driver deployments as actively targeted.
Executive priority
Prioritize this above a normal medium CVSS item because CISA KEV indicates known exploitation. The business risk is data exposure on affected devices, especially mobile or embedded fleets where GPU driver updates depend on OEM patch channels.
Technical view
CVE-2023-4211 is a CWE-416 use-after-free in Arm Mali GPU Kernel Driver families. Improper GPU memory processing can expose already freed memory to a local low-privileged user. CVSS 3.1 is 5.5, with high confidentiality impact and no stated integrity or availability impact.
Likely exposure
Exposure is most likely on systems using Arm Mali Midgard, Bifrost, Valhall, or Arm 5th Gen GPU Architecture kernel drivers matching the versions identified in the CVE source bundle. Exact device exposure depends on OEM kernel and driver packaging.
Exploitation context
CISA KEV status supports known exploitation. The provided sources do not describe exploit mechanics, affected campaigns, or remote exploitation. The access model is local with low privileges, so risk is highest where attackers can already run code on devices.
Researcher notes
The source bundle identifies local low-privilege access, CWE-416, high confidentiality impact, and KEV status. It does not provide fixed version ranges, affected device models, proof-of-concept details, or campaign attribution, so validation should be inventory-driven and vendor-guidance based.
Mitigation direction
- Identify devices using Arm Mali GPU Kernel Driver families named in the CVE.
- Check Arm and OEM advisories for corrected driver or firmware packages.
- Prioritize remediation for internet-facing fleets, mobile fleets, and shared-user devices.
- Limit untrusted local app execution until vendor updates are applied.
- Track CISA KEV remediation expectations where applicable.
Validation and detection
- Inventory GPU driver family and version from vendor device records.
- Confirm whether deployed builds include Arm Mali Midgard, Bifrost, Valhall, or 5th Gen drivers.
- Compare deployed driver versions against Arm and OEM security guidance.
- Verify update installation through device management or firmware compliance reporting.
- Review endpoint telemetry for suspicious local privilege or memory-access activity.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-416: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-4211 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20VulnerabilitiesCVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4211CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.