CVE-2024-47734Public exploit

Kernel data disclosure via unconditional XDP warning

Published Oct 21, 2024 · Updated May 11, 2026

Improper warning handling in the Linux kernel bonding driver allows local users to disclose kernel data through a crafted XDP setup. bond_xdp_get_xmit_slave treats an unsupported bonding mode as impossible and invokes WARN_ON_ONCE while returning NULL, emitting diagnostic state instead of only a rate-limited error. The trigger requires privileged creation of two bond devices and XDP programs, including an unsupported ALB bond whose slave returns XDP_TX; the reported result is a warning and excess logging, not service interruption.

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

Improper warning handling in the Linux kernel bonding driver allows local users to disclose kernel data through a crafted XDP setup. bond_xdp_get_xmit_slave treats an unsupported bonding mode as impossible and invokes WARN_ON_ONCE while returning NULL, emitting diagnostic state instead of only a rate-limited error. The trigger requires privileged creation of two bond devices and XDP programs, including an unsupported ALB bond whose slave returns XDP_TX; the reported result is a warning and excess logging, not service interruption.

The record

CVE
CVE-2024-47734
Published
Oct 21, 2024
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
Unavailable
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

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=5.15
  2. Affected versionversion=9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e <0cbfd45fbcf0cb26d85c981b91c62fe73cdee01c
  3. Affected versionversion=9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e <57b5fba55c6f8b1d83312a34bd656166fcd95658
  4. Affected versionversion=9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e <6b64197b4bf1a5703a8b105367baf20f1e627a75
  5. Affected versionversion=9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e <72e2c0825a480e19ee999cee9d018850d38c82b9
  6. Affected versionversion=9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e <c1be35e774f8ed415e01209fddd963c5a74e8e9f
  7. Affected versionversion=9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e <ccd3e6ff05e5236d1b9535f23f3e6622e0bb32b8

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=5.15; version=9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e <0cbfd45fbcf0cb26d85c981b91c62fe73cdee01c; version=9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e <57b5fba55c6f8b1d83312a34bd656166fcd95658; version=9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e <6b64197b4bf1a5703a8b105367baf20f1e627a75; version=9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e <72e2c0825a480e19ee999cee9d018850d38c82b9; version=9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e <c1be35e774f8ed415e01209fddd963c5a74e8e9f; version=9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e <ccd3e6ff05e5236d1b9535f23f3e6622e0bb32b8

Published CVSS scores

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

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

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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 exploitPublished

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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