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CVE Record

CVE-2024-26771: dmaengine: ti: edma: Add some null pointer checks to the edma_probe

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: edma: Add some null pointer checks to the edma_probe devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2024-26771 is a Linux kernel issue in the TI EDMA DMA engine driver. A memory allocation during driver probing could fail and return NULL, and the code did not check that condition. The public sources do not provide CVSS, confirmed impact, or active exploitation evidence.

Executive priority

Handle through normal kernel patch management unless you operate Linux devices that rely on TI EDMA. There is insufficient public evidence to justify emergency action, but kernel fixes should not be deferred indefinitely because downstream vendors may bundle this with higher-impact fixes.

Technical view

The fix adds NULL checks around devm_kasprintf() results in edma_probe. The vulnerable condition is an unchecked allocation failure in the Linux dmaengine TI EDMA driver probe path. Referenced stable kernel commits resolve the issue across multiple kernel lines; exact downstream exposure depends on vendor backports.

Likely exposure

Exposure is most likely on Linux systems whose kernel includes and probes the TI EDMA dmaengine driver. The source lists Linux kernel versions and stable fixes, but does not provide CPEs or precise distribution package ranges. General exposure should be validated against kernel version, configuration, and vendor advisories.

Exploitation context

There is no KEV listing and no cited source in the bundle reporting active exploitation. The sources describe a defensive NULL pointer check for an allocation failure, not a public exploit path. Treat exploitation likelihood as unproven from available evidence.

Researcher notes

The public record lacks CVSS, CWE, exploitability details, and concrete impact language. Analysis should stay tied to the kernel commit message: unchecked devm_kasprintf() return in edma_probe. Avoid assuming remote reachability or privilege impact without additional vendor analysis.

Mitigation direction

  • Apply Linux kernel updates from your OS or device vendor.
  • Check whether referenced stable commits are included in your deployed kernel.
  • For Debian LTS systems, review and apply the linked June 2024 advisory updates.
  • If no vendor package is available, follow vendor guidance for kernel backports.

Validation and detection

  • Inventory affected Linux kernel versions across servers, appliances, and embedded devices.
  • Check kernel configuration and hardware use for the TI EDMA dmaengine driver.
  • Confirm vendor kernel changelogs include the CVE or referenced stable commits.
  • Verify updated systems boot and device probing logs show no EDMA probe regressions.
Prepared
Confidence
medium
Sources
9

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.

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CVE-2024-26771 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
2ADP providers
8Source 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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinuxd4cb7f404247173e2c760a01bf06fd1016a8b0d4, d4cb7f404247173e2c760a01bf06fd1016a8b0d4, d4cb7f404247173e2c760a01bf06fd1016a8b0d4, d4cb7f404247173e2c760a01bf06fd1016a8b0d4, d4cb7f404247173e2c760a01bf06fd1016a8b0d4, d4cb7f404247173e2c760a01bf06fd1016a8b0d4unaffected
LinuxLinux4.4, 0, 5.10.211, 5.15.150, 6.1.80, 6.6.19, 6.7.7, 6.8affected
Weakness

CWE details

No CWE listed

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