Security readout for executives and security teams
Plain-English summary
This Linux kernel issue affects systems using the smartpqi storage driver when the disable_managed_interrupts module parameter is enabled. The documented failure is a kernel warning during driver initialization with possible undefined behavior. Business impact is most likely operational instability on affected storage-controller hosts, not confirmed remote compromise.
Executive priority
Treat as a targeted infrastructure stability issue. Prioritize patching affected storage-heavy Linux servers, especially production or hardware RAID environments. Urgency is lower than internet-facing RCE, but undefined kernel behavior in storage drivers can create material availability risk.
Technical view
The smartpqi driver incorrectly calls blk_mq_pci_map_queues() after disabling the default PCI_IRQ_AFFINITY flag. The fix changes queue registration to use blk_mq_map_queues() for this configuration. The CVE record lists Linux kernel affected versions and stable kernel commit references, but provides no CVSS, CWE, or exploitation details.
Likely exposure
Exposure appears limited to Linux systems using the smartpqi SCSI driver, especially servers with supported Smart Array-class controllers, where disable_managed_interrupts is enabled. The source stack trace shows an HPE ProLiant DL380 Gen10 example, but the CVE product is Linux kernel, not a named HPE product vulnerability.
Exploitation context
The source bundle does not show active exploitation, and KEV is false. The described trigger is configuration-dependent driver initialization behavior, producing a stack trace and possible undefined behavior. No exploit path, privilege requirement, or remote attack vector is documented in the supplied sources.
Researcher notes
Evidence is narrow and kernel-upstream focused. The record names Linux kernel versions and fix commits but lacks CVSS, CWE, exploitability analysis, and distribution-specific advisories. Avoid broad exposure claims unless validated against fleet hardware, loaded modules, kernel version, and module parameters.
Mitigation direction
- Update to a vendor-supported kernel containing the referenced stable smartpqi fix.
- Review whether disable_managed_interrupts is enabled on smartpqi hosts.
- If patching is delayed, check vendor guidance for supported configuration workarounds.
- Prioritize production storage-controller hosts where boot or I/O stability matters.
Validation and detection
- Inventory Linux kernels and identify systems loading the smartpqi driver.
- Check whether the disable_managed_interrupts module parameter is enabled.
- Review boot logs for blk_mq_pci_map_queues warnings involving smartpqi.
- Confirm the running kernel includes one of the referenced stable fixes.
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
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CVE-2024-26742 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.
SSVC decision data
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/3c31b18a8dd8b7bf36af1cd723d455853b8f94feCVE reference, Linux
- https://git.kernel.org/stable/c/4f5b15c15e6016efb3e14582d02cc4ddf57227dfCVE reference, Linux
- https://git.kernel.org/stable/c/b9433b25cb06c415c9cb24782599649a406c8d6dCVE reference, Linux
- https://git.kernel.org/stable/c/5761eb9761d2d5fe8248a9b719efc4d8baf1f24aCVE 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.