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  4. CVE 2024 47408 netsmc check smcdv2extoffset when receiving
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Back to active CVEs
Critical · CVSS 9.8CVE-2024-47408

net/smc: check smcd_v2_ext_offset when receiving proposal msgCVE-2024-47408

Answer in brief

CVE-2024-47408 records a Critical severity (CVSS 9.8) vulnerability in net/smc: check smcd_v2_ext_offset when receiving proposal msg. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), 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 Oct 3, 2026Source checked Nov 4, 2026First seen by HOL Aug 5, 2026Material review Oct 3, 2026
Upstream Advisory

Record context

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

Key facts

Risk
Critical · CVSS 9.8
Exploitation
Not marked as known exploited
Affected software
7 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 9.8. 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), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=5c21c4ccafe85906db809de3af391fd434df8a27 <a36364d8d4fabb105001f992fb8ff2d3546203d6 || >=5c21c4ccafe85906db809de3af391fd434df8a27 <e1cc8be2a785a8f1ce1f597f3e608602c5fccd46 || >=5c21c4ccafe85906db809de3af391fd434df8a27 <935caf324b445fe73d7708fae6f7176fb243f357 || >=5c21c4ccafe85906db809de3af391fd434df8a27 <48d5a8a304a643613dab376a278f29d3e22f7c34 || >=5c21c4ccafe85906db809de3af391fd434df8a27 <9ab332deb671d8f7e66d82a2ff2b3f715bc3a4ada36364d8d4fabb105001f992fb8ff2d3546203d6, e1cc8be2a785a8f1ce1f597f3e608602c5fccd46, 935caf324b445fe73d7708fae6f7176fb243f357, 48d5a8a304a643613dab376a278f29d3e22f7c34, 9ab332deb671d8f7e66d82a2ff2b3f715bc3a4ad
Linux/Linuxgeneric5.10Not reported
Linux/Linuxgeneric>=5c21c4ccafe85906db809de3af391fd434df8a27 <35da53027c1f2efdd7d0177dc00584134204761a || >=5c21c4ccafe85906db809de3af391fd434df8a27 <a36364d8d4fabb105001f992fb8ff2d3546203d6 || >=5c21c4ccafe85906db809de3af391fd434df8a27 <e1cc8be2a785a8f1ce1f597f3e608602c5fccd46 || >=5c21c4ccafe85906db809de3af391fd434df8a27 <935caf324b445fe73d7708fae6f7176fb243f357 || >=5c21c4ccafe85906db809de3af391fd434df8a27 <48d5a8a304a643613dab376a278f29d3e22f7c34 || >=5c21c4ccafe85906db809de3af391fd434df8a27 <9ab332deb671d8f7e66d82a2ff2b3f715bc3a4ad35da53027c1f2efdd7d0177dc00584134204761a, a36364d8d4fabb105001f992fb8ff2d3546203d6, e1cc8be2a785a8f1ce1f597f3e608602c5fccd46, 935caf324b445fe73d7708fae6f7176fb243f357, 48d5a8a304a643613dab376a278f29d3e22f7c34, 9ab332deb671d8f7e66d82a2ff2b3f715bc3a4ad

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to a36364d8d4fabb105001f992fb8ff2d3546203d6; Linux/Linux to 35da53027c1f2efdd7d0177dc00584134204761a 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

    Oct 3, 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 smcd_v2_ext_offset when receiving proposal msg When receiving proposal msg in server, the field smcd_v2_ext_offset in proposal msg is from the remote client and can not be fully trusted. Once the value of smcd_v2_ext_offset exceed the max value, there has the chance to access wrong address, and crash may happen. This patch checks the value of smcd_v2_ext_offset before using it.

Quoted source text, attributed separately from HOL analysis.