Security readout for executives and security teams
Plain-English summary
CVE-2026-23022 is a Linux kernel memory leak in the idpf driver during reset or deinitialization. The available sources describe leaked driver memory, not code execution or data exposure. Business urgency depends on whether affected kernels and the idpf driver are present in production systems.
Executive priority
Treat this as a targeted kernel maintenance item, not an emergency. Patch affected idpf-using systems during normal kernel update cycles unless monitoring shows memory pressure or repeated resets.
Technical view
The fix frees hw->lan_regs in idpf_vc_core_deinit(). The issue was reported by kmemleak during reset, with allocation traced through idpf_vc_core_init(), idpf_vc_event_task(), and kernel worker execution. Public metadata lists affected Linux kernel versions and two stable kernel fix references.
Likely exposure
Exposure is likely limited to Linux systems running affected kernel versions with the idpf driver in use. The bundle lists Linux 6.17, 6.18.6, and 6.19 as affected, but distribution-specific backport status is not provided.
Exploitation context
No active exploitation is stated in the provided sources. The CVE is not marked KEV, and the bundle provides no public exploit evidence. The observable impact is a reset-related kernel memory leak detected by kmemleak.
Researcher notes
Evidence is narrow: the public description identifies a missing free of hw->lan_regs and references upstream stable fixes. No CVSS, CWE, exploitability analysis, or distribution package mapping is included in the bundle.
Mitigation direction
- Apply vendor kernel updates that include the referenced stable fixes.
- Confirm distribution advisories before assuming upstream version numbers map directly to packages.
- Prioritize hosts that load or depend on the idpf driver.
- Monitor affected systems for memory growth during driver resets until patched.
Validation and detection
- Inventory Linux kernel versions across production systems.
- Check whether the idpf module or built-in driver is present and active.
- Compare installed kernels with vendor advisories and the referenced stable commits.
- Review kernel diagnostics for kmemleak or reset-related idpf memory leak reports.
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-2026-23022 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/23391db8a00c23854915b8b72ec1aa10080aa540CVE reference, Linux
- https://git.kernel.org/stable/c/e111cbc4adf9f9974eed040aeece7e17460f6bffCVE 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.