Vulnerability-Lookup

GHSA-V5PM-G3X4-2PMJ

Vulnerability from github – Published: 2026-03-25 12:30 – Updated: 2026-03-25 12:30

Details

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

nfc: rawsock: cancel tx_work before socket teardown

In rawsock_release(), cancel any pending tx_work and purge the write queue before orphaning the socket. rawsock_tx_work runs on the system workqueue and calls nfc_data_exchange which dereferences the NCI device. Without synchronization, tx_work can race with socket and device teardown when a process is killed (e.g. by SIGKILL), leading to use-after-free or leaked references.

Set SEND_SHUTDOWN first so that if tx_work is already running it will see the flag and skip transmitting, then use cancel_work_sync to wait for any in-progress execution to finish, and finally purge any remaining queued skbs.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-23372"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-25T11:16:36Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: rawsock: cancel tx_work before socket teardown\n\nIn rawsock_release(), cancel any pending tx_work and purge the write\nqueue before orphaning the socket.  rawsock_tx_work runs on the system\nworkqueue and calls nfc_data_exchange which dereferences the NCI\ndevice.  Without synchronization, tx_work can race with socket and\ndevice teardown when a process is killed (e.g. by SIGKILL), leading\nto use-after-free or leaked references.\n\nSet SEND_SHUTDOWN first so that if tx_work is already running it will\nsee the flag and skip transmitting, then use cancel_work_sync to wait\nfor any in-progress execution to finish, and finally purge any\nremaining queued skbs.",
  "id": "GHSA-v5pm-g3x4-2pmj",
  "modified": "2026-03-25T12:30:24Z",
  "published": "2026-03-25T12:30:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23372"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3ae592ed91bb4b6b51df256b51045c13d2656049"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/722a28b635ec281bb08a23885223526d8e7d6526"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/78141b8832e16d80d09cbefb4258612db0777a24"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d793458c45df2aed498d7f74145eab7ee22d25aa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/da4515fc8263c5933ed605e396af91079806dc45"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/edc988613def90c5b558e025b1b423f48007be06"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-23372 (GCVE-0-2026-23372)

Vulnerability from cvelistv5 – Published: 2026-03-25 10:27 – Updated: 2026-03-25 10:27

Title

nfc: rawsock: cancel tx_work before socket teardown

Summary

In the Linux kernel, the following vulnerability has been resolved: nfc: rawsock: cancel tx_work before socket teardown In rawsock_release(), cancel any pending tx_work and purge the write queue before orphaning the socket. rawsock_tx_work runs on the system workqueue and calls nfc_data_exchange which dereferences the NCI device. Without synchronization, tx_work can race with socket and device teardown when a process is killed (e.g. by SIGKILL), leading to use-after-free or leaked references. Set SEND_SHUTDOWN first so that if tx_work is already running it will see the flag and skip transmitting, then use cancel_work_sync to wait for any in-progress execution to finish, and finally purge any remaining queued skbs.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/3ae592ed91bb4b6b5…
	https://git.kernel.org/stable/c/722a28b635ec281bb…
	https://git.kernel.org/stable/c/78141b8832e16d80d…
	https://git.kernel.org/stable/c/edc988613def90c5b…
	https://git.kernel.org/stable/c/da4515fc8263c5933…
	https://git.kernel.org/stable/c/d793458c45df2aed4…

Impacted products

Vendor

Product

Version

Linux

Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < 3ae592ed91bb4b6b51df256b51045c13d2656049 (git)
Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < 722a28b635ec281bb08a23885223526d8e7d6526 (git)
Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < 78141b8832e16d80d09cbefb4258612db0777a24 (git)
Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < edc988613def90c5b558e025b1b423f48007be06 (git)
Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < da4515fc8263c5933ed605e396af91079806dc45 (git)
Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < d793458c45df2aed498d7f74145eab7ee22d25aa (git)

Linux

Affected: 3.1
Unaffected: 0 , < 3.1 (semver)
Unaffected: 6.1.167 , ≤ 6.1.* (semver)
Unaffected: 6.6.130 , ≤ 6.6.* (semver)
Unaffected: 6.12.77 , ≤ 6.12.* (semver)
Unaffected: 6.18.17 , ≤ 6.18.* (semver)
Unaffected: 6.19.7 , ≤ 6.19.* (semver)
Unaffected: 7.0-rc3 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/nfc/rawsock.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "status": "affected",
              "version": "23b7869c0fd08d73c9f83a2db88a13312d6198bb",
              "versionType": "git"
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            {
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              "status": "affected",
              "version": "23b7869c0fd08d73c9f83a2db88a13312d6198bb",
              "versionType": "git"
            },
            {
              "lessThan": "78141b8832e16d80d09cbefb4258612db0777a24",
              "status": "affected",
              "version": "23b7869c0fd08d73c9f83a2db88a13312d6198bb",
              "versionType": "git"
            },
            {
              "lessThan": "edc988613def90c5b558e025b1b423f48007be06",
              "status": "affected",
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              "versionType": "git"
            },
            {
              "lessThan": "da4515fc8263c5933ed605e396af91079806dc45",
              "status": "affected",
              "version": "23b7869c0fd08d73c9f83a2db88a13312d6198bb",
              "versionType": "git"
            },
            {
              "lessThan": "d793458c45df2aed498d7f74145eab7ee22d25aa",
              "status": "affected",
              "version": "23b7869c0fd08d73c9f83a2db88a13312d6198bb",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/nfc/rawsock.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.1"
            },
            {
              "lessThan": "3.1",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.167",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.130",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.77",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0-rc3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.167",
                  "versionStartIncluding": "3.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.130",
                  "versionStartIncluding": "3.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.77",
                  "versionStartIncluding": "3.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.17",
                  "versionStartIncluding": "3.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.7",
                  "versionStartIncluding": "3.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "3.1",
                  "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\nnfc: rawsock: cancel tx_work before socket teardown\n\nIn rawsock_release(), cancel any pending tx_work and purge the write\nqueue before orphaning the socket.  rawsock_tx_work runs on the system\nworkqueue and calls nfc_data_exchange which dereferences the NCI\ndevice.  Without synchronization, tx_work can race with socket and\ndevice teardown when a process is killed (e.g. by SIGKILL), leading\nto use-after-free or leaked references.\n\nSet SEND_SHUTDOWN first so that if tx_work is already running it will\nsee the flag and skip transmitting, then use cancel_work_sync to wait\nfor any in-progress execution to finish, and finally purge any\nremaining queued skbs."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-25T10:27:53.308Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3ae592ed91bb4b6b51df256b51045c13d2656049"
        },
        {
          "url": "https://git.kernel.org/stable/c/722a28b635ec281bb08a23885223526d8e7d6526"
        },
        {
          "url": "https://git.kernel.org/stable/c/78141b8832e16d80d09cbefb4258612db0777a24"
        },
        {
          "url": "https://git.kernel.org/stable/c/edc988613def90c5b558e025b1b423f48007be06"
        },
        {
          "url": "https://git.kernel.org/stable/c/da4515fc8263c5933ed605e396af91079806dc45"
        },
        {
          "url": "https://git.kernel.org/stable/c/d793458c45df2aed498d7f74145eab7ee22d25aa"
        }
      ],
      "title": "nfc: rawsock: cancel tx_work before socket teardown",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23372",
    "datePublished": "2026-03-25T10:27:53.308Z",
    "dateReserved": "2026-01-13T15:37:46.003Z",
    "dateUpdated": "2026-03-25T10:27:53.308Z",
    "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-V5PM-G3X4-2PMJ

CVE-2026-23372 (GCVE-0-2026-23372)

Tags

Sightings

Nomenclature