Vulnerability-Lookup

FKIE_CVE-2026-23302

Vulnerability from fkie_nvd - Published: 2026-03-25 11:16 - Updated: 2026-05-28 14:42

Severity

4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: net: annotate data-races around sk->sk_{data_ready,write_space} skmsg (and probably other layers) are changing these pointers while other cpus might read them concurrently. Add corresponding READ_ONCE()/WRITE_ONCE() annotations for UDP, TCP and AF_UNIX.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/27fccdbcbbfc4651b6f66756e6fa3f52e051ec23	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2ef2b20cf4e04ac8a6ba68493f8780776ff84300	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7ad01905831c815520f1b0486336a03bb7420465	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c494448bb522bbbb63096540eb2319101a0480ab	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f17c1c4acbe2bd702abce73a847a04a196fab2c5	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	7.0
linux	linux_kernel	7.0

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6508946E-134B-4941-9550-4B3C2C1D16DD",
              "versionEndExcluding": "6.6.136",
              "versionStartIncluding": "4.20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "02904CAE-71D2-45B3-9EC3-F6A9D18B6307",
              "versionEndExcluding": "6.12.82",
              "versionStartIncluding": "6.7",
              "vulnerable": true
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            {
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              "vulnerable": true
            },
            {
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            }
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: annotate data-races around sk-\u003esk_{data_ready,write_space}\n\nskmsg (and probably other layers) are changing these pointers\nwhile other cpus might read them concurrently.\n\nAdd corresponding READ_ONCE()/WRITE_ONCE() annotations\nfor UDP, TCP and AF_UNIX."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnet: anotar condiciones de carrera de datos alrededor de sk-\u0026gt;sk_{data_ready,write_space}\n\nskmsg (y probablemente otras capas) est\u00e1n cambiando estos punteros mientras otras CPUs podr\u00edan leerlos concurrentemente.\n\nA\u00f1adir las correspondientes anotaciones READ_ONCE()/WRITE_ONCE() para UDP, TCP y AF_UNIX."
    }
  ],
  "id": "CVE-2026-23302",
  "lastModified": "2026-05-28T14:42:48.333",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 4.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-03-25T11:16:25.923",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
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    },
    {
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      "tags": [
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    },
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    },
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      "tags": [
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2026-23302 (GCVE-0-2026-23302)

Vulnerability from cvelistv5 – Published: 2026-03-25 10:26 – Updated: 2026-05-11 22:04

Title

net: annotate data-races around sk->sk_{data_ready,write_space}

Summary

Severity

No CVSS data available.

Assigner

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/7ad01905831c81552…
https://git.kernel.org/stable/c/c494448bb522bbbb6…
https://git.kernel.org/stable/c/f17c1c4acbe2bd702…
https://git.kernel.org/stable/c/27fccdbcbbfc4651b…
https://git.kernel.org/stable/c/2ef2b20cf4e04ac8a…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < 7ad01905831c815520f1b0486336a03bb7420465 (git) Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < c494448bb522bbbb63096540eb2319101a0480ab (git) Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < f17c1c4acbe2bd702abce73a847a04a196fab2c5 (git) Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < 27fccdbcbbfc4651b6f66756e6fa3f52e051ec23 (git) Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < 2ef2b20cf4e04ac8a6ba68493f8780776ff84300 (git)
Linux	Linux	Affected: 4.20 Unaffected: 0 , < 4.20 (semver) Unaffected: 6.6.136 , ≤ 6.6.* (semver) Unaffected: 6.12.82 , ≤ 6.12.* (semver) Unaffected: 6.18.17 , ≤ 6.18.* (semver) Unaffected: 6.19.7 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/core/skmsg.c",
            "net/ipv4/tcp.c",
            "net/ipv4/tcp_bpf.c",
            "net/ipv4/tcp_input.c",
            "net/ipv4/tcp_minisocks.c",
            "net/ipv4/udp.c",
            "net/ipv4/udp_bpf.c",
            "net/unix/af_unix.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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              "versionType": "git"
            }
          ]
        },
        {
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            "net/ipv4/tcp.c",
            "net/ipv4/tcp_bpf.c",
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            "net/ipv4/tcp_minisocks.c",
            "net/ipv4/udp.c",
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    "datePublished": "2026-03-25T10:26:57.470Z",
    "dateReserved": "2026-01-13T15:37:45.993Z",
    "dateUpdated": "2026-05-11T22:04:15.314Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}

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.

Action not permitted

FKIE_CVE-2026-23302

CVE-2026-23302 (GCVE-0-2026-23302)

Tags

Sightings

Nomenclature