CVE-2026-46137 (GCVE-0-2026-46137)
Vulnerability from cvelistv5
Published
2026-05-28 09:35
Modified
2026-06-14 17:57
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADD_ADDR rtx: fix potential data-race This mptcp_pm_add_timer() helper is executed as a timer callback in softirq context. To avoid any data races, the socket lock needs to be held with bh_lock_sock(). If the socket is in use, retry again soon after, similar to what is done with the keepalive timer.
Impacted products
Vendor Product Version
Linux Linux Version: 00cfd77b9063dcdf3628a7087faba60de85a9cc8
Version: 00cfd77b9063dcdf3628a7087faba60de85a9cc8
Version: 00cfd77b9063dcdf3628a7087faba60de85a9cc8
Version: 00cfd77b9063dcdf3628a7087faba60de85a9cc8
Version: 00cfd77b9063dcdf3628a7087faba60de85a9cc8
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/mptcp/pm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "013dcdc1961543b9a3433466bc8c79a2f4ca75b5",
              "status": "affected",
              "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8",
              "versionType": "git"
            },
            {
              "lessThan": "6e4710d7d8782cb61af29a7e7111ddfc38b9e1a3",
              "status": "affected",
              "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8",
              "versionType": "git"
            },
            {
              "lessThan": "2ad56e434199ca24a812bb353667aa1c3860f513",
              "status": "affected",
              "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8",
              "versionType": "git"
            },
            {
              "lessThan": "cc3c0399361efaaf7ae64262eb3f70829b1189c6",
              "status": "affected",
              "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8",
              "versionType": "git"
            },
            {
              "lessThan": "5cd6e0ad79d2615264f63929f8b457ad97ae550d",
              "status": "affected",
              "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/mptcp/pm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.10"
            },
            {
              "lessThan": "5.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.141",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.91",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.141",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.91",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.30",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.7",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: pm: ADD_ADDR rtx: fix potential data-race\n\nThis mptcp_pm_add_timer() helper is executed as a timer callback in\nsoftirq context. To avoid any data races, the socket lock needs to be\nheld with bh_lock_sock().\n\nIf the socket is in use, retry again soon after, similar to what is done\nwith the keepalive timer."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-14T17:57:13.527Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/013dcdc1961543b9a3433466bc8c79a2f4ca75b5"
        },
        {
          "url": "https://git.kernel.org/stable/c/6e4710d7d8782cb61af29a7e7111ddfc38b9e1a3"
        },
        {
          "url": "https://git.kernel.org/stable/c/2ad56e434199ca24a812bb353667aa1c3860f513"
        },
        {
          "url": "https://git.kernel.org/stable/c/cc3c0399361efaaf7ae64262eb3f70829b1189c6"
        },
        {
          "url": "https://git.kernel.org/stable/c/5cd6e0ad79d2615264f63929f8b457ad97ae550d"
        }
      ],
      "title": "mptcp: pm: ADD_ADDR rtx: fix potential data-race",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46137",
    "datePublished": "2026-05-28T09:35:53.628Z",
    "dateReserved": "2026-05-13T15:03:33.100Z",
    "dateUpdated": "2026-06-14T17:57:13.527Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…