CVE-2025-39968 (GCVE-0-2025-39968)

Vulnerability from cvelistv5 – Published: 2025-10-15 07:55 – Updated: 2026-07-30 05:58
VLAI
Title
i40e: add max boundary check for VF filters
Summary
In the Linux kernel, the following vulnerability has been resolved: i40e: add max boundary check for VF filters There is no check for max filters that VF can request. Add it.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: e284fc280473bed23f2e1ed324e102a48f7d17e1 , < 9176e18681cb0d34c5acc87bda224f5652af2ab8 (git)
Affected: e284fc280473bed23f2e1ed324e102a48f7d17e1 , < e490d8c5a54e0dd1ab22417d72c3a7319cf0f030 (git)
Affected: e284fc280473bed23f2e1ed324e102a48f7d17e1 , < 77a35be582dff4c80442ebcdce24d45eed8a6ce4 (git)
Affected: e284fc280473bed23f2e1ed324e102a48f7d17e1 , < 02aae5fcdd34c3a55a243d80a1b328a35852a35c (git)
Affected: e284fc280473bed23f2e1ed324e102a48f7d17e1 , < edecce7abd7152b48e279b4fa0a883d1839bb577 (git)
Affected: e284fc280473bed23f2e1ed324e102a48f7d17e1 , < d33e5d6631ac4fddda235a7815babc9d3f124299 (git)
Affected: e284fc280473bed23f2e1ed324e102a48f7d17e1 , < 8b13df5aa877b9e4541e301a58a84c42d84d2d9a (git)
Affected: e284fc280473bed23f2e1ed324e102a48f7d17e1 , < cb79fa7118c150c3c76a327894bb2eb878c02619 (git)
Create a notification for this product.
Linux Linux Affected: 4.17
Unaffected: 0 , < 4.17 (semver)
Unaffected: 5.4.300 , ≤ 5.4.* (semver)
Unaffected: 5.10.245 , ≤ 5.10.* (semver)
Unaffected: 5.15.194 , ≤ 5.15.* (semver)
Unaffected: 6.1.155 , ≤ 6.1.* (semver)
Unaffected: 6.6.109 , ≤ 6.6.* (semver)
Unaffected: 6.12.50 , ≤ 6.12.* (semver)
Unaffected: 6.16.10 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-30T08:53:49+00:00",
      "cve": "CVE-2025-39968",
      "id": "CVE-2025-39968",
      "initial_release_date": "2025-10-15T00:00:00+00:00",
      "product_status:known_affected": "260",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Linux kernel i40e: Resource exhaustion via unbounded VF filter requests",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-39968.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-07-25T00:37:39Z",
      "cve": "CVE-2025-39968",
      "id": "CVE-2025-39968",
      "initial_release_date": "2025-10-16T23:24:47Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "354",
      "product_status:known_not_affected": "87",
      "product_status:recommended": "794",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-39968",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-39968.json",
      "version": "43"
    }
  }
}



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Taxonomy of the tags.





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

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • 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.


Detection rules are retrieved from Rulezet.