CVE-2025-71146 (GCVE-0-2025-71146)

Vulnerability from cvelistv5 – Published: 2026-01-23 14:15 – Updated: 2026-01-23 14:15
VLAI?
Title
netfilter: nf_conncount: fix leaked ct in error paths
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conncount: fix leaked ct in error paths There are some situations where ct might be leaked as error paths are skipping the refcounted check and return immediately. In order to solve it make sure that the check is always called.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 6e86f0eca857ee42787e30e9ec0b726aebfcae0a , < 08fa37f4c8c59c294e9c18fea2d083ee94074e5a (git)
Affected: b160895d6bc9690459b16ef87799c9bd456af3ec , < e1ac8dce3a893641bef224ad057932f142b8a36f (git)
Affected: 8d5a2c94c24dcc226863a7c2b5034750370c2189 , < f381a33f34dda9e4023e38ba68c943bca83245e9 (git)
Affected: da9f247fb5efcd5a2730cdc989291b383c439e10 , < 325eb61bb30790ea27782203a17b007ce1754a67 (git)
Affected: 3558faee8aace3541189c3a2ca45c7e85e144b44 , < 0b88be7211d21a0d68bb1e56dc805944e3654d6f (git)
Affected: f6904ed15ed1a188543057e3cb0d02daa80edfc9 , < 4bd2b89f4028f250dd1c1625eb3da1979b04a5e8 (git)
Affected: be102eb6a0e7c03db00e50540622f4e43b2d2844 , < 2e2a720766886190a6d35c116794693aabd332b6 (git)
Affected: 8c2da7330214ce30f8333d1799a27ed0a9418f07 (git)
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    Linux Linux Affected: 6.19-rc1
Unaffected: 0 , < 6.19-rc1 (semver)
Unaffected: 6.12.64 , ≤ 6.12.* (semver)
Unaffected: 6.18.3 , ≤ 6.18.* (semver)
Unaffected: 6.19-rc2 , ≤ * (original_commit_for_fix)
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{
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/nf_conncount.c"
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              "version": "0",
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              "status": "unaffected",
              "version": "6.18.3",
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            }
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      "cpeApplicability": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_conncount: fix leaked ct in error paths\n\nThere are some situations where ct might be leaked as error paths are\nskipping the refcounted check and return immediately. In order to solve\nit make sure that the check is always called."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-23T14:15:12.998Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
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        },
        {
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      "title": "netfilter: nf_conncount: fix leaked ct in error paths",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-71146",
    "datePublished": "2026-01-23T14:15:12.998Z",
    "dateReserved": "2026-01-13T15:30:19.661Z",
    "dateUpdated": "2026-01-23T14:15:12.998Z",
    "state": "PUBLISHED"
  },
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  }
}


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  • 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.
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  • 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.