Security readout for executives and security teams
Plain-English summary
This Linux kernel issue can expose unintended kernel stack data to a user-space caller through the staging GPIB driver. The source bundle does not provide a severity score or evidence of active exploitation. Business urgency depends on whether affected Linux kernels and the GPIB driver are present on systems you operate.
Executive priority
Treat as a targeted kernel information-disclosure risk, not a confirmed emergency. Prioritize validation on specialized or lab systems using GPIB and fold remediation into normal kernel patch cycles unless vendor guidance elevates severity.
Technical view
The vulnerable path is board_info_ioctl for gpib_board_info_ioctl. A padding field in the returned structure may remain unset and then be copied back to userspace. The kernel fix initializes the whole structure to zero before fields are populated and returned.
Likely exposure
Exposure is most likely limited to Linux systems running affected kernel versions with the staging GPIB functionality reachable. The provided affected-version data is incomplete or ambiguous, so confirm against vendor kernel advisories and the referenced stable commits.
Exploitation context
The provided sources do not show KEV listing, active exploitation, exploit availability, or weaponized details. The described weakness is an information exposure from kernel memory to userspace, but practical exploitability and required privileges are not documented in the bundle.
Researcher notes
The record lacks CVSS, CWE, and detailed affected ranges. Analysis should center on whether gpib_board_info_ioctl is compiled, reachable, and patched. Avoid assuming broader kernel compromise from the available evidence.
Mitigation direction
- Check whether deployed kernels include the referenced stable fixes.
- Prioritize updates for systems using or exposing Linux GPIB support.
- If no vendor package exists, track vendor kernel guidance for backports.
- Limit access to affected device interfaces where operationally possible.
Validation and detection
- Inventory Linux kernel versions across affected assets.
- Check kernel build and runtime configuration for GPIB staging driver use.
- Compare deployed kernel source or packages against the two referenced fixes.
- Review vendor advisories for distro-specific fixed package versions.
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.
CVE-2025-38613 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
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.
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/19dedd4f70f5a6505e7c601ef7dd40542d1d9aa5CVE reference, Linux
- https://git.kernel.org/stable/c/a739d3b13bff0dfa1aec679d08c7062131a2a425CVE 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.