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  4. CVE 2024 49571 netsmc check ipareaoffset and ipv6prefixescnt
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Back to active CVEs
Critical · CVSS 9.1CVE-2024-49571

net/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msgCVE-2024-49571

Answer in brief

CVE-2024-49571 records a Critical severity (CVSS 9.1) vulnerability in net/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msg. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jan 11, 2025Updated Aug 5, 2026Source checked Nov 4, 2026First seen by HOL Aug 5, 2026Material review Aug 5, 2026
Upstream Advisory

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 4, 2026
References
7 linked sources
Open source record

Key facts

Risk
Critical · CVSS 9.1
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 9.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=e7b7a64a8493d47433fd003efbe6543e3f676294 <846bada23bfcdeb83621b045ed85dc06c7833ff0 || >=e7b7a64a8493d47433fd003efbe6543e3f676294 <f10635268a0a49ee902a3b63b5dbb76f4fed498e || >=e7b7a64a8493d47433fd003efbe6543e3f676294 <62056d1592e63d85e82357ee2ae6a6a294f440b0 || >=e7b7a64a8493d47433fd003efbe6543e3f676294 <91a7c27c1444ed4677b83fd5308d2cf03f5f0851 || >=e7b7a64a8493d47433fd003efbe6543e3f676294 <47ce46349672a7e0c361bfe39ed0b22e824ef4fb || >=e7b7a64a8493d47433fd003efbe6543e3f676294 <a29e220d3c8edbf0e1beb0f028878a4a85966556846bada23bfcdeb83621b045ed85dc06c7833ff0, f10635268a0a49ee902a3b63b5dbb76f4fed498e, 62056d1592e63d85e82357ee2ae6a6a294f440b0, 91a7c27c1444ed4677b83fd5308d2cf03f5f0851, 47ce46349672a7e0c361bfe39ed0b22e824ef4fb, a29e220d3c8edbf0e1beb0f028878a4a85966556
Linux/Linuxgeneric4.16Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 846bada23bfcdeb83621b045ed85dc06c7833ff0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jan 11, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencelists.debian.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: net/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msg When receiving proposal msg in server, the field iparea_offset and the field ipv6_prefixes_cnt in proposal msg are from the remote client and can not be fully trusted. Especially the field iparea_offset, once exceed the max value, there has the chance to access wrong address, and crash may happen. This patch checks iparea_offset and ipv6_prefixes_cnt before using them.

Quoted source text, attributed separately from HOL analysis.