CVE-2024-47687

Kernel crash via uninitialized MR resource release

Published Oct 21, 2024 · Updated May 11, 2026

Use of uninitialized resources in Linux 6.7 through 6.10.12 and 6.11 through 6.11.1 allows local users to crash the kernel. On an error path from mlx5_vdpa_dev_add(), mlx5_vdpa_destroy_mr_resources() releases memory-region resources that were never initialized, causing vhost_iotlb_del_range() to dereference a null pointer. Reaching the path requires local low-privileged access to the vDPA device-add operation and an mlx5 vDPA configuration, and exploitation interrupts the host through a kernel oops or crash.

CVSS severity5.5
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use of uninitialized resources in Linux 6.7 through 6.10.12 and 6.11 through 6.11.1 allows local users to crash the kernel. On an error path from mlx5_vdpa_dev_add(), mlx5_vdpa_destroy_mr_resources() releases memory-region resources that were never initialized, causing vhost_iotlb_del_range() to dereference a null pointer. Reaching the path requires local low-privileged access to the vDPA device-add operation and an mlx5 vDPA configuration, and exploitation interrupts the host through a kernel oops or crash.

The record

CVE
CVE-2024-47687
Published
Oct 21, 2024
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-908
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 21, 2024CVE publishedPublication date reported by the CVE source.
  2. May 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=512c0cdd80c19ec11f6dbe769d5899dcfefcd5c9 <5fe351def237df1ad29aa8af574350bc5340b4cf
  2. Affected versionversion=512c0cdd80c19ec11f6dbe769d5899dcfefcd5c9 <b6fbb1c7801f46a0e5461c02904eab0d7535c790
  3. Affected versionversion=512c0cdd80c19ec11f6dbe769d5899dcfefcd5c9 <dc12502905b7a3de9097ea6b98870470c2921e09
  4. Affected versionversion=6.7

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=512c0cdd80c19ec11f6dbe769d5899dcfefcd5c9 <5fe351def237df1ad29aa8af574350bc5340b4cf; version=512c0cdd80c19ec11f6dbe769d5899dcfefcd5c9 <b6fbb1c7801f46a0e5461c02904eab0d7535c790; version=512c0cdd80c19ec11f6dbe769d5899dcfefcd5c9 <dc12502905b7a3de9097ea6b98870470c2921e09; version=6.7

Published CVSS scores

5.5NISTCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-908Use of Uninitialized Resource

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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