Vulnerability-Lookup

GHSA-PWWM-CCJP-FWFV

Vulnerability from github – Published: 2026-09-25 12:31 – Updated: 2026-09-25 12:31

Details

In the Linux kernel, the following vulnerability has been resolved:

mptcp: fix bad accounting in __mptcp_subflow_push_pending()

If __subflow_push_pending() errors out we should avoid updating the copied byte counters, to avoid mismatch push call later on.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-97522"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-25T11:17:02Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix bad accounting in __mptcp_subflow_push_pending()\n\nIf __subflow_push_pending() errors out we should avoid updating the\ncopied byte counters, to avoid mismatch push call later on.",
  "id": "GHSA-pwwm-ccjp-fwfv",
  "modified": "2026-09-25T12:31:22Z",
  "published": "2026-09-25T12:31:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-97522"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9781fa35d9f7a87a83115acd3a88bc9ce35b5407"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a0a64525f3414268ed4b1945a1dc690aa974dd4f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dc054821e639a2e14f1419436612db70b6af45fc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f3ef03357396d4b147d8e76c75fb612c2f264ffc"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-97522 (GCVE-0-2026-97522)

Vulnerability from cvelistv5 – Published: 2026-09-25 10:21 – Updated: 2026-09-25 10:21

Title

mptcp: fix bad accounting in __mptcp_subflow_push_pending()

Summary

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix bad accounting in __mptcp_subflow_push_pending() If __subflow_push_pending() errors out we should avoid updating the copied byte counters, to avoid mismatch push call later on.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/9781fa35d9f7a87a8…
https://git.kernel.org/stable/c/a0a64525f3414268e…
https://git.kernel.org/stable/c/dc054821e639a2e14…
https://git.kernel.org/stable/c/f3ef03357396d4b14…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 0fa1b3783a17d75a4aa1651a18ede041ffca5750 , < 9781fa35d9f7a87a83115acd3a88bc9ce35b5407 (git) Affected: 0fa1b3783a17d75a4aa1651a18ede041ffca5750 , < a0a64525f3414268ed4b1945a1dc690aa974dd4f (git) Affected: 0fa1b3783a17d75a4aa1651a18ede041ffca5750 , < dc054821e639a2e14f1419436612db70b6af45fc (git) Affected: 0fa1b3783a17d75a4aa1651a18ede041ffca5750 , < f3ef03357396d4b147d8e76c75fb612c2f264ffc (git)
Linux	Linux	Affected: 6.6 Unaffected: 0 , < 6.6 (semver) Unaffected: 6.12.111 , ≤ 6.12.* (semver) Unaffected: 6.18.53 , ≤ 6.18.* (semver) Unaffected: 7.2.7 , ≤ 7.2.* (semver) Unaffected: 7.3-rc4 , ≤ * (original_commit_for_fix)

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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/mptcp/protocol.c"
          ],
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          "vendor": "Linux",
          "versions": [
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              "status": "affected",
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              "versionType": "git"
            },
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            },
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              "lessThanOrEqual": "6.18.*",
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              "version": "7.3-rc4",
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    "datePublished": "2026-09-25T10:21:26.420Z",
    "dateReserved": "2026-09-24T16:01:01.152Z",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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GHSA-PWWM-CCJP-FWFV

CVE-2026-97522 (GCVE-0-2026-97522)

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