CVE-2022-49279 (GCVE-0-2022-49279)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:56 – Updated: 2026-08-05 08:54
VLAI
Title
NFSD: prevent integer overflow on 32 bit systems
Summary
In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent integer overflow on 32 bit systems On a 32 bit system, the "len * sizeof(*p)" operation can have an integer overflow.
Severity
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:45 UTC
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 37c88763def8474bc0972fbd1adb0d21670104b7 , < 3a2789e8ccb4a3e2a631f6817a2d3bb98b8c4fd8 (git)
Affected: 37c88763def8474bc0972fbd1adb0d21670104b7 , < ce1aa09cc14ed625104acc2d487bd92b9a88efe2 (git)
Affected: 37c88763def8474bc0972fbd1adb0d21670104b7 , < 7af164fa2f1abc577d357d22d83a2f3490875d7e (git)
Affected: 37c88763def8474bc0972fbd1adb0d21670104b7 , < 303cd6173dce0a28d26526c77814eb90a41bd898 (git)
Affected: 37c88763def8474bc0972fbd1adb0d21670104b7 , < 79b1c54fc6ce09ee0d5fe088bb3de26ae2150e3c (git)
Affected: 37c88763def8474bc0972fbd1adb0d21670104b7 , < e4195d27306ea468a6dc3a27af6f586709951229 (git)
Affected: 37c88763def8474bc0972fbd1adb0d21670104b7 , < 23a9dbbe0faf124fc4c139615633b9d12a3a89ef (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.17
Unaffected: 0 , < 4.17 (semver)
Unaffected: 4.19.238 , ≤ 4.19.* (semver)
Unaffected: 5.4.189 , ≤ 5.4.* (semver)
Unaffected: 5.10.110 , ≤ 5.10.* (semver)
Unaffected: 5.15.33 , ≤ 5.15.* (semver)
Unaffected: 5.16.19 , ≤ 5.16.* (semver)
Unaffected: 5.17.2 , ≤ 5.17.* (semver)
Unaffected: 5.18 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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      "source": "Red Hat CSAF VEX",
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      "title": "kernel: NFSD: prevent integer overflow on 32 bit systems",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49279.json",
      "version": "3"
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      "version": "52"
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.