Security readout for executives and security teams
Plain-English summary
CVE-2025-22065 is a Linux kernel availability bug in the idpf network driver. On systems using SR-IOV with idpf devices, a reboot path can call cleanup twice and dereference a NULL adapter pointer, causing a kernel crash. This is operationally disruptive but requires local privileges and specific hardware/configuration exposure.
Executive priority
Treat as a targeted availability risk for virtualization or network-heavy Linux hosts. Patch during normal kernel maintenance, with faster handling for production hosts that use idpf with SR-IOV. This is not evidenced as internet-exploited or data-theft related in the provided sources.
Technical view
The issue is CWE-476 in Linux idpf shutdown/remove handling. With SR-IOV enabled, idpf_shutdown() can call idpf_remove(), then sriov_disable() can trigger idpf_remove() again for virtual functions. The first cleanup can leave adapter NULL, causing a NULL pointer dereference. Fix commits replace the shutdown remove call with narrower deinitialization routines.
Likely exposure
Exposure is most likely on Linux systems using the idpf driver with SR-IOV enabled, such as hosts with compatible Intel infrastructure networking devices. General Linux systems without idpf or SR-IOV are unlikely to be exposed based on the provided sources.
Exploitation context
The CVSS vector is local, low complexity, low privileges, no user interaction, and high availability impact. The source bundle marks KEV as false and provides no evidence of active exploitation. The public description includes a crash condition during reboot, not remote compromise.
Researcher notes
The provided data supports a local denial-of-service assessment. Affected version information is summarized in the bundle but not fully normalized here, so rely on upstream stable commits and distribution advisories for precise package status. No exploit status beyond KEV=false is supported.
Mitigation direction
- Apply Linux stable kernel updates containing the referenced idpf fixes.
- Check distribution vendor advisories for backported kernel packages.
- Prioritize SR-IOV hosts using the idpf driver.
- Consider disabling SR-IOV on affected hosts until patched if operationally acceptable.
- Plan maintenance windows because remediation likely requires kernel replacement and reboot.
Validation and detection
- Inventory hosts for Linux kernels using the idpf driver.
- Identify systems with SR-IOV enabled for idpf-managed devices.
- Compare running kernels against vendor fixed packages or referenced stable commits.
- Review reboot crash logs for idpf NULL pointer dereference traces.
- Confirm patched kernels no longer include the vulnerable shutdown/remove path.
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-2025-22065 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/79618e952ef4dfa1a17ee0631d5549603fab58d8CVE reference, Linux
- https://git.kernel.org/stable/c/88a6d562e92a295648f8636acf2a6aa714241771CVE reference, Linux
- https://git.kernel.org/stable/c/9fc9b3dc0d0c189ed205acf1e5fbd73e0becc4d6CVE reference, Linux
- https://git.kernel.org/stable/c/4c9106f4906a85f6b13542d862e423bcdc118cc3CVE 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.