Vulnerability-Lookup

GHSA-G782-C42F-Q4Q3

Vulnerability from github – Published: 2026-02-14 18:30 – Updated: 2026-02-14 18:30

Details

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

nvmet-tcp: fixup hang in nvmet_tcp_listen_data_ready()

When the socket is closed while in TCP_LISTEN a callback is run to flush all outstanding packets, which in turns calls nvmet_tcp_listen_data_ready() with the sk_callback_lock held. So we need to check if we are in TCP_LISTEN before attempting to get the sk_callback_lock() to avoid a deadlock.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-23179"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-14T17:15:55Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-tcp: fixup hang in nvmet_tcp_listen_data_ready()\n\nWhen the socket is closed while in TCP_LISTEN a callback is run to\nflush all outstanding packets, which in turns calls\nnvmet_tcp_listen_data_ready() with the sk_callback_lock held.\nSo we need to check if we are in TCP_LISTEN before attempting\nto get the sk_callback_lock() to avoid a deadlock.",
  "id": "GHSA-g782-c42f-q4q3",
  "modified": "2026-02-14T18:30:16Z",
  "published": "2026-02-14T18:30:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23179"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1c90f930e7b410dd2d75a2a19a85e19c64e98ad5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2fa8961d3a6a1c2395d8d560ffed2c782681bade"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6e0c7503a5803d568d56a9f9bca662cd94a14908"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f532b29b0e313f42b964014038b0f52899b240ec"
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  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-23179 (GCVE-0-2026-23179)

Vulnerability from cvelistv5 – Published: 2026-02-14 16:27 – Updated: 2026-05-11 22:01

Title

nvmet-tcp: fixup hang in nvmet_tcp_listen_data_ready()

Summary

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fixup hang in nvmet_tcp_listen_data_ready() When the socket is closed while in TCP_LISTEN a callback is run to flush all outstanding packets, which in turns calls nvmet_tcp_listen_data_ready() with the sk_callback_lock held. So we need to check if we are in TCP_LISTEN before attempting to get the sk_callback_lock() to avoid a deadlock.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

3 references

URL	Tags
https://git.kernel.org/stable/c/6e0c7503a5803d568…
https://git.kernel.org/stable/c/1c90f930e7b410dd2…
https://git.kernel.org/stable/c/2fa8961d3a6a1c239…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 675b453e024154dd547921c6e6d5b58747ba7e0e , < 6e0c7503a5803d568d56a9f9bca662cd94a14908 (git) Affected: 675b453e024154dd547921c6e6d5b58747ba7e0e , < 1c90f930e7b410dd2d75a2a19a85e19c64e98ad5 (git) Affected: 675b453e024154dd547921c6e6d5b58747ba7e0e , < 2fa8961d3a6a1c2395d8d560ffed2c782681bade (git)
Linux	Linux	Affected: 6.7 Unaffected: 0 , < 6.7 (semver) Unaffected: 6.12.70 , ≤ 6.12.* (semver) Unaffected: 6.18.10 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/nvme/target/tcp.c"
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                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-tcp: fixup hang in nvmet_tcp_listen_data_ready()\n\nWhen the socket is closed while in TCP_LISTEN a callback is run to\nflush all outstanding packets, which in turns calls\nnvmet_tcp_listen_data_ready() with the sk_callback_lock held.\nSo we need to check if we are in TCP_LISTEN before attempting\nto get the sk_callback_lock() to avoid a deadlock."
        }
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      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:01:51.043Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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