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"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

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

Vulnerability from cvelistv5 – Published: 2026-02-14 16:27 – Updated: 2026-02-16 08:58

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

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

Vendor

Product

Version

Linux

Affected: 675b453e024154dd547921c6e6d5b58747ba7e0e , < 6e0c7503a5803d568d56a9f9bca662cd94a14908 (git)
Affected: 675b453e024154dd547921c6e6d5b58747ba7e0e , < 1c90f930e7b410dd2d75a2a19a85e19c64e98ad5 (git)
Affected: 675b453e024154dd547921c6e6d5b58747ba7e0e , < 2fa8961d3a6a1c2395d8d560ffed2c782681bade (git)

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"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6e0c7503a5803d568d56a9f9bca662cd94a14908",
              "status": "affected",
              "version": "675b453e024154dd547921c6e6d5b58747ba7e0e",
              "versionType": "git"
            },
            {
              "lessThan": "1c90f930e7b410dd2d75a2a19a85e19c64e98ad5",
              "status": "affected",
              "version": "675b453e024154dd547921c6e6d5b58747ba7e0e",
              "versionType": "git"
            },
            {
              "lessThan": "2fa8961d3a6a1c2395d8d560ffed2c782681bade",
              "status": "affected",
              "version": "675b453e024154dd547921c6e6d5b58747ba7e0e",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/nvme/target/tcp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.7"
            },
            {
              "lessThan": "6.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.70",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.70",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.10",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-16T08:58:52.846Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/6e0c7503a5803d568d56a9f9bca662cd94a14908"
        },
        {
          "url": "https://git.kernel.org/stable/c/1c90f930e7b410dd2d75a2a19a85e19c64e98ad5"
        },
        {
          "url": "https://git.kernel.org/stable/c/2fa8961d3a6a1c2395d8d560ffed2c782681bade"
        }
      ],
      "title": "nvmet-tcp: fixup hang in nvmet_tcp_listen_data_ready()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23179",
    "datePublished": "2026-02-14T16:27:10.778Z",
    "dateReserved": "2026-01-13T15:37:45.984Z",
    "dateUpdated": "2026-02-16T08:58:52.846Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-G782-C42F-Q4Q3

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

Tags

Sightings

Nomenclature