CVE-2024-58056

Service interruption via premature remoteproc identifier release

Published Mar 6, 2025 · Updated Sep 8, 2026

Improper input validation in Linux remoteproc allows local users to interrupt service when remote-processor device allocation fails. The rproc_alloc error path releases the device before ida_alloc runs, while rproc_type_release treats the zero-initialized index as allocated and passes it to ida_free. Reachability requires local low-privileged ability to induce an early allocation failure on a device using remoteproc; the documented result is a kernel warning with availability impact.

CVSS severity5.5
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Linux remoteproc allows local users to interrupt service when remote-processor device allocation fails. The rproc_alloc error path releases the device before ida_alloc runs, while rproc_type_release treats the zero-initialized index as allocated and passes it to ida_free. Reachability requires local low-privileged ability to induce an early allocation failure on a device using remoteproc; the documented result is a kernel warning with availability impact.

The record

CVE
CVE-2024-58056
Published
Mar 6, 2025
Updated
Sep 8, 2026
Vendor
Siemens
Product
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
Classifications
CWE-20
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 8, 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=V3.1.6 <*

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Siemens · SIPLUS S7-1500 CPU 1518-4 PN/DP MFPversion=V3.1.6 <*
The Linux Kernel Organization · Linuxversion=08333b911f01862e71e51b7065fb4baca3cd2e67 <2cf54928e7e32362215c69b68a6a53d110323bf3; version=08333b911f01862e71e51b7065fb4baca3cd2e67 <7378aeb664e5ebc396950b36a1f2dedf5aabec20; version=08333b911f01862e71e51b7065fb4baca3cd2e67 <b32d60a852bb3952886625d0c3b1c9a88c3ceb7c; version=08333b911f01862e71e51b7065fb4baca3cd2e67 <e9efd9fa4679803fe23188d7b47119cf7bc2de6f; version=08333b911f01862e71e51b7065fb4baca3cd2e67 <f2013d19b7704cd723ab42664b8d9408ea8cc77c; version=6.0
Siemens · SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPversion=V3.1.6 <*
Siemens · SIMATIC S7-1500 CPU 1518-4 PN/DP MFPversion=V3.1.6 <*

Published CVSS scores

5.5Siemens ProductCERTCVSS: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-20Improper Input Validation

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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