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CVE Record

CVE-2024-46836: usb: gadget: aspeed_udc: validate endpoint index for ast udc

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: aspeed_udc: validate endpoint index for ast udc We should verify the bound of the array to assure that host may not manipulate the index to point past endpoint array. Found by static analysis.

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 USB gadget bug in the aspeed_udc driver. A connected USB host may be able to influence an endpoint index beyond the expected endpoint array. Public sources show a kernel fix, but do not provide CVSS, CWE, impact detail, or evidence of active exploitation.

Executive priority

Treat this as targeted kernel maintenance, not an emergency, unless your fleet uses affected USB gadget functionality. Prioritize embedded, appliance, or hardware-management systems first because exposure depends on this specific driver path.

Technical view

CVE-2024-46836 adds endpoint-index bounds validation in Linux kernel usb gadget aspeed_udc. The source says a host may manipulate the index past the endpoint array, and the issue was found by static analysis. Fixed stable commits are referenced, but public source data does not define the impact class or exploitability.

Likely exposure

Exposure is most likely on Linux systems using affected kernels with the aspeed_udc USB gadget path reachable by a USB host. General Linux servers without this driver or gadget role are likely less exposed, but configuration and vendor backports must be checked.

Exploitation context

The bundle marks KEV as false, and no cited source states active exploitation or public exploit availability. The plausible interaction boundary is a USB host talking to the affected gadget driver, but the sources do not prove practical exploitability or impact.

Researcher notes

The public record is sparse: no CVSS, CWE, exploit status, or detailed impact is provided. The key technical fact is missing bounds validation for an endpoint array index in aspeed_udc. Validate distro backports carefully because kernel version strings alone may mislead.

Mitigation direction

  • Update affected Linux kernels to vendor releases containing the referenced stable fixes.
  • For Debian LTS systems, review and apply the January 2025 kernel security update if applicable.
  • If updates are unavailable, request a vendor backport of the endpoint-index validation fix.
  • Track inclusion of the referenced kernel.org stable commits in maintained kernel branches.

Validation and detection

  • Identify systems running affected Linux kernel branches listed in the CVE data.
  • Confirm whether the aspeed_udc USB gadget driver is enabled or present.
  • Compare distro kernel changelogs against the referenced stable commit fixes.
  • Check vendor advisories for backported fixes before relying on upstream version numbers.
Prepared
Confidence
medium
Sources
7

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

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CVE-2024-46836 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
6Source 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
LinuxLinux055276c1320564b0192b3af323b8cc67f9b665e1, 055276c1320564b0192b3af323b8cc67f9b665e1, 055276c1320564b0192b3af323b8cc67f9b665e1, 055276c1320564b0192b3af323b8cc67f9b665e1unaffected
LinuxLinux6.0, 0, 6.1.110, 6.6.51, 6.10.10, 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.