Security readout for executives and security teams
Plain-English summary
This is a Linux kernel availability bug in the DA9063 regulator driver. A partial device-tree configuration can trigger a null pointer dereference, potentially crashing the system. The published CVSS is 5.5, requiring local access and low privileges, so urgency is moderate and focused on systems using this kernel driver path.
Executive priority
Treat as a moderate availability risk, not a broad remote compromise signal. Prioritize systems where local users or workloads could trigger kernel crashes, especially embedded or appliance-like Linux deployments with slower patch cycles.
Technical view
CVE-2023-53364 is a CWE-476 null pointer dereference in the Linux kernel regulator da9063 code. The kernel note says an earlier fix variant was merged by mistake, and the safer V2 avoids dereferencing the pointer entirely. Impact is availability only under the supplied CVSS vector.
Likely exposure
Exposure is most plausible on Linux systems that include the DA9063 regulator driver and relevant device-tree handling. The bundle lists Linux kernel references and version identifiers, but does not provide a broad distribution mapping. Vulnerability managers should validate against kernel patch status rather than assuming all Linux deployments are affected.
Exploitation context
No active exploitation is supported by the supplied sources, and KEV is false. The CVSS vector indicates local access, low privileges, no user interaction, and high availability impact. The sources do not provide public exploit details.
Researcher notes
The source bundle is limited to CVE metadata and two Linux stable commits. It supports null dereference, local availability impact, and safer patch direction, but not exploit maturity, distribution-specific affected ranges, or operational mitigations beyond applying vendor kernel fixes.
Mitigation direction
- Check vendor or distribution kernel advisories for CVE-2023-53364 coverage.
- Update to a kernel build containing the referenced stable fixes.
- Prioritize embedded or hardware-specific Linux systems using DA9063 regulator support.
- Track remediation through normal kernel update and reboot processes.
Validation and detection
- Inventory running kernel versions and build provenance on relevant Linux systems.
- Confirm whether DA9063 regulator support is enabled or deployed.
- Compare vendor kernel packages against the referenced stable commits.
- Verify patched systems after reboot with kernel version and package evidence.
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-476: 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-2023-53364 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
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
SSVC decision data
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:N/I:N/A:H1.83.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/aa402a3b553bd4829f4504058d53b0351c66c9d4CVE reference, Linux
- https://git.kernel.org/stable/c/30c694fd4a99fbbc4115d180156ca01b60953371CVE reference, Linux
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.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.