CVE-2024-57901

Local kernel crash via MSG_PEEK buffer mutation

Published Jan 15, 2025 · Updated Aug 5, 2026

Denial of service in the Linux kernel af_packet component allows local users to crash the host through MSG_PEEK packet reads. vlan_get_protocol_dgram() modifies the shared socket buffer while inspecting a datagram, although MSG_PEEK must leave the buffer untouched, so concurrent reads can drive skb_push() before the buffer head and trigger the kernel BUG. Exploitation requires low-privileged local access and interrupts availability by crashing the running kernel.

CVSS severity5.5
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in the Linux kernel af_packet component allows local users to crash the host through MSG_PEEK packet reads. vlan_get_protocol_dgram() modifies the shared socket buffer while inspecting a datagram, although MSG_PEEK must leave the buffer untouched, so concurrent reads can drive skb_push() before the buffer head and trigger the kernel BUG. Exploitation requires low-privileged local access and interrupts availability by crashing the running kernel.

The record

CVE
CVE-2024-57901
Published
Jan 15, 2025
Updated
Aug 5, 2026
Vendor
Siemens
Product
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
Classifications
CWE-664, T1499.004
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 15, 2025CVE 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

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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=V3.1.0 <V3.1.5

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Siemens · SIPLUS S7-1500 CPU 1518-4 PN/DP MFPversion=V3.1.0 <V3.1.5
Siemens · SIMATIC S7-1500 TM MFP - GNU/Linux subsystemversion=0 <*
The Linux Kernel Organization · Linuxversion=3dfd84aa72fa7329ed4a257c8f40e0c9aff4dc8f; version=4.19.320 <4.20; version=5.10.224 <5.10.233; version=5.15.165 <5.15.176; version=5.4.282 <5.4.289; version=5839f59ff1dd4e35b9e767927931a039484839e1 <5d336714db324bef84490c75dcc48b387ef0346e; version=5a041d25b67042cbe06a0fb292ee22fd1147e65c <a693b87692b4d7c50f4fc08a996678d60534a9da; version=6.10.3 <6.11; version=6.11; version=6.1.103 <6.1.124; version=6.6.44 <6.6.70; version=66f23a7b5174b5d3e7111fd2d0d5a4f3faaa12e5; version=79eecf631c14e7f4057186570ac20e2cfac3802e <cd8488fdc7116f6da277515647b167859d4f72b1; version=79eecf631c14e7f4057186570ac20e2cfac3802e <f91a5b8089389eb408501af2762f168c3aaa7b79; version=83e2dfadcb6258fe3111c8a8ec9cf34465e55e64 <0d3fa6c3c9ca7aa255696150f5b759ac4a4974e1; version=c77064e76c768fb101ea5ff92dc771142fc9d8fd <560cbdd26b510626f3f4f27d34c44dfd3dd3499d; version=d0a1f9aa70f0d8a05b6320e8a3f3b83adab8dac3 <de4f8d477c67ec1d7c28f3486c3e47d147d90a01
Siemens · SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPversion=V3.1.0 <V3.1.5
Siemens · SIMATIC S7-1500 CPU 1518-4 PN/DP MFPversion=V3.1.0 <V3.1.5

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-664Improper Control of a Resource Through its Lifetime
T1499.004Application or System Exploitation

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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