CVE-2024-53058Network attack vector

Remote data disclosure via premature DMA unmapping

Published Nov 19, 2024 · Updated Aug 5, 2026

DMA use-after-unmap in the Linux stmmac TSO transmit path allows remote attackers to disclose data or interrupt networking. The path records a non-paged buffer mapping on the first descriptor instead of the final descriptor, so cleanup unmaps it while later descriptors can still use it. Affected stmmac hardware with TSO can transmit recycled kernel data, corrupt frames, or trigger IOMMU faults and link loss when qualifying traffic spans multiple descriptors.

CVSS severity9.4
Critical
EPSS probability0.61%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

DMA use-after-unmap in the Linux stmmac TSO transmit path allows remote attackers to disclose data or interrupt networking. The path records a non-paged buffer mapping on the first descriptor instead of the final descriptor, so cleanup unmaps it while later descriptors can still use it. Affected stmmac hardware with TSO can transmit recycled kernel data, corrupt frames, or trigger IOMMU faults and link loss when qualifying traffic spans multiple descriptors.

The record

CVE
CVE-2024-53058
Published
Nov 19, 2024
Updated
Aug 5, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 19, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 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=4.7
  2. Affected versionversion=f748be531d7012c456b97f66091d86b3675c5fef <07c9c26e37542486e34d767505e842f48f29c3f6
  3. Affected versionversion=f748be531d7012c456b97f66091d86b3675c5fef <58d23d835eb498336716cca55b5714191a309286
  4. Affected versionversion=f748be531d7012c456b97f66091d86b3675c5fef <66600fac7a984dea4ae095411f644770b2561ede
  5. Affected versionversion=f748be531d7012c456b97f66091d86b3675c5fef <a3ff23f7c3f0e13f718900803e090fd3997d6bc9
  6. Affected versionversion=f748be531d7012c456b97f66091d86b3675c5fef <ece593fc9c00741b682869d3f3dc584d37b7c9df

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=4.7; version=f748be531d7012c456b97f66091d86b3675c5fef <07c9c26e37542486e34d767505e842f48f29c3f6; version=f748be531d7012c456b97f66091d86b3675c5fef <58d23d835eb498336716cca55b5714191a309286; version=f748be531d7012c456b97f66091d86b3675c5fef <66600fac7a984dea4ae095411f644770b2561ede; version=f748be531d7012c456b97f66091d86b3675c5fef <a3ff23f7c3f0e13f718900803e090fd3997d6bc9; version=f748be531d7012c456b97f66091d86b3675c5fef <ece593fc9c00741b682869d3f3dc584d37b7c9df

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
9.4kernel.orgCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
5.5CISA-ADPCVSS: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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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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