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CVE Record

CVE-2024-42276: nvme-pci: add missing condition check for existence of mapped data

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: add missing condition check for existence of mapped data nvme_map_data() is called when request has physical segments, hence the nvme_unmap_data() should have same condition to avoid dereference.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This is a Linux kernel NVMe PCI storage driver flaw. The kernel fix adds a missing check before unmapping request data, preventing an invalid dereference when mapped data does not exist. The sources do not provide CVSS, confirmed impact, or active exploitation evidence.

Executive priority

Track and remediate through normal kernel patch management unless local vendor guidance raises severity. Give higher priority to production systems dependent on NVMe storage and vendor appliances where kernel faults could disrupt service.

Technical view

CVE-2024-42276 affects Linux nvme-pci logic where nvme_unmap_data() lacked the same physical-segment condition used by nvme_map_data(). The fix adds the missing existence check. Public records list Linux kernel versions as affected and cite stable kernel commits plus Debian and Siemens advisories.

Likely exposure

Exposure is most relevant to Linux systems using the nvme-pci driver for PCIe NVMe storage, including servers, workstations, appliances, and embedded products that ship affected kernels. Confirm exposure through kernel version, distribution advisories, and hardware or module inventory.

Exploitation context

The CVE is not listed as KEV in the provided bundle. The cited sources do not claim active exploitation, public exploit availability, remote reachability, required privileges, or a complete impact rating.

Researcher notes

Evidence is limited to a kernel fix description and downstream advisories. Treat impact details beyond invalid dereference prevention as unconfirmed. Do not assume exploitability, privilege requirements, or attack vector without vendor or maintainer clarification.

Mitigation direction

  • Update Linux kernels using vendor-supported packages containing the stable fix.
  • Review Debian LTS and product vendor advisories for backported fixed packages.
  • Prioritize systems using PCIe NVMe storage or affected embedded Linux images.
  • For appliances, obtain fixed firmware or kernel updates from the vendor.

Validation and detection

  • Inventory running kernel versions across Linux hosts and appliances.
  • Check whether nvme-pci is loaded or PCIe NVMe storage is present.
  • Map kernel builds to vendor advisories or upstream stable fix commits.
  • Confirm patched hosts boot the intended fixed kernel after update.
Prepared
Confidence
medium
Sources
12

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

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CVE-2024-42276 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
3Timeline events
3ADP providers
11Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc
CVECVE Program Container
siemens-SADPADP container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux4aedb705437f6f98b45f45c394e6803ca67abd33, 4aedb705437f6f98b45f45c394e6803ca67abd33, 4aedb705437f6f98b45f45c394e6803ca67abd33, 4aedb705437f6f98b45f45c394e6803ca67abd33, 4aedb705437f6f98b45f45c394e6803ca67abd33, 4aedb705437f6f98b45f45c394e6803ca67abd33, 4aedb705437f6f98b45f45c394e6803ca67abd33unaffected
LinuxLinux5.2, 0, 5.4.282, 5.10.224, 5.15.165, 6.1.103, 6.6.44, 6.10.3, 6.11affected
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.