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CVE Record

CVE-2024-46709: drm/vmwgfx: Fix prime with external buffers

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix prime with external buffers Make sure that for external buffers mapping goes through the dma_buf interface instead of trying to access pages directly. External buffers might not provide direct access to readable/writable pages so to make sure the bo's created from external dma_bufs can be read dma_buf interface has to be used. Fixes crashes in IGT's kms_prime with vgem. Regular desktop usage won't trigger this due to the fact that virtual machines will not have multiple GPUs but it enables better test coverage in IGT.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

CVE-2024-46709 is a Linux kernel vmwgfx graphics-driver bug involving external dma-buf buffers. The source describes crashes in an IGT PRIME test path with vgem and says regular desktop virtual-machine usage should not trigger it because VMs normally do not have multiple GPUs.

Executive priority

Treat this as low immediate business urgency unless you operate Linux graphics validation, virtualization graphics stacks, or custom kernels. Fold remediation into normal kernel patch cycles, while confirming exposed vmwgfx systems receive vendor-fixed builds.

Technical view

The vmwgfx driver incorrectly tried to access pages directly for external buffers. The fix routes external buffer mapping through the dma_buf interface, because such buffers may not expose directly readable or writable pages. The cited fix is in Linux kernel stable commits.

Likely exposure

Exposure appears limited to Linux systems using the vmwgfx DRM driver with PRIME external dma-buf buffer paths. The source specifically points to IGT kms_prime testing with vgem, not typical VM desktop operation.

Exploitation context

The bundle does not indicate active exploitation, and KEV is false. Available evidence describes crash behavior in a specialized graphics test scenario, not public weaponization or routine remote attack exposure.

Researcher notes

The source does not provide CVSS, CWE, exploit details, or a named vendor workaround. Analysis should stay scoped to vmwgfx external buffer handling and dma_buf mapping behavior until distribution advisories add more detail.

Mitigation direction

  • Check vendor or distribution kernel advisories for CVE-2024-46709 status.
  • Update affected Linux kernels to builds containing the cited stable fixes.
  • Prioritize systems using vmwgfx with external dma-buf or PRIME testing paths.
  • Track VMware-backed Linux VM images if they carry affected kernel versions.

Validation and detection

  • Inventory Linux kernel versions on VM and graphics-test systems.
  • Confirm whether vmwgfx is loaded or included in deployed kernels.
  • Review distribution changelogs for the three cited stable commit IDs.
  • Re-run relevant graphics regression tests after kernel update.
Prepared
Confidence
medium
Sources
5

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

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ATT&CK lookup starting points

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CVE-2024-46709 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
1ADP providers
4Source 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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux65674218b43f2dd54587ab2b06560e17c30d8b41, b32233accefff1338806f064fb9b62cf5bc0609f, b32233accefff1338806f064fb9b62cf5bc0609f, 2cdb71c975a10b8774fcd199f16f9ea88948de50, 6.6.29, 6.8.8unaffected
LinuxLinux6.9, 0, 6.6.49, 6.10.8, 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.