Vulnerability-Lookup

FKIE_CVE-2025-71148

Vulnerability from fkie_nvd - Published: 2026-01-23 15:16 - Updated: 2026-01-26 15:03

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: net/handshake: restore destructor on submit failure handshake_req_submit() replaces sk->sk_destruct but never restores it when submission fails before the request is hashed. handshake_sk_destruct() then returns early and the original destructor never runs, leaking the socket. Restore sk_destruct on the error path.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6af2a01d65f89e73c1cbb9267f8880d83a88cee4
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7b82a1d6ae869533d8bdb0282a3a78faed8e63dd
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b225325be7b247c7268e65eea6090db1fc786d1f
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/cd8cf2be3717137554744233fda051ffc09d1d44

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/handshake: restore destructor on submit failure\n\nhandshake_req_submit() replaces sk-\u003esk_destruct but never restores it when\nsubmission fails before the request is hashed. handshake_sk_destruct() then\nreturns early and the original destructor never runs, leaking the socket.\nRestore sk_destruct on the error path."
    }
  ],
  "id": "CVE-2025-71148",
  "lastModified": "2026-01-26T15:03:51.687",
  "metrics": {},
  "published": "2026-01-23T15:16:05.503",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6af2a01d65f89e73c1cbb9267f8880d83a88cee4"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7b82a1d6ae869533d8bdb0282a3a78faed8e63dd"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b225325be7b247c7268e65eea6090db1fc786d1f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/cd8cf2be3717137554744233fda051ffc09d1d44"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2025-71148 (GCVE-0-2025-71148)

Vulnerability from cvelistv5 – Published: 2026-01-23 14:15 – Updated: 2026-01-23 14:15

Title

net/handshake: restore destructor on submit failure

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/cd8cf2be371713755…
	https://git.kernel.org/stable/c/7b82a1d6ae869533d…
	https://git.kernel.org/stable/c/b225325be7b247c72…
	https://git.kernel.org/stable/c/6af2a01d65f89e73c…

Impacted products

Vendor

Product

Version

Linux

Affected: 3b3009ea8abb713b022d94fba95ec270cf6e7eae , < cd8cf2be3717137554744233fda051ffc09d1d44 (git)
Affected: 3b3009ea8abb713b022d94fba95ec270cf6e7eae , < 7b82a1d6ae869533d8bdb0282a3a78faed8e63dd (git)
Affected: 3b3009ea8abb713b022d94fba95ec270cf6e7eae , < b225325be7b247c7268e65eea6090db1fc786d1f (git)
Affected: 3b3009ea8abb713b022d94fba95ec270cf6e7eae , < 6af2a01d65f89e73c1cbb9267f8880d83a88cee4 (git)

Linux

Affected: 6.4
Unaffected: 0 , < 6.4 (semver)
Unaffected: 6.6.120 , ≤ 6.6.* (semver)
Unaffected: 6.12.64 , ≤ 6.12.* (semver)
Unaffected: 6.18.3 , ≤ 6.18.* (semver)
Unaffected: 6.19-rc2 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/handshake/request.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "cd8cf2be3717137554744233fda051ffc09d1d44",
              "status": "affected",
              "version": "3b3009ea8abb713b022d94fba95ec270cf6e7eae",
              "versionType": "git"
            },
            {
              "lessThan": "7b82a1d6ae869533d8bdb0282a3a78faed8e63dd",
              "status": "affected",
              "version": "3b3009ea8abb713b022d94fba95ec270cf6e7eae",
              "versionType": "git"
            },
            {
              "lessThan": "b225325be7b247c7268e65eea6090db1fc786d1f",
              "status": "affected",
              "version": "3b3009ea8abb713b022d94fba95ec270cf6e7eae",
              "versionType": "git"
            },
            {
              "lessThan": "6af2a01d65f89e73c1cbb9267f8880d83a88cee4",
              "status": "affected",
              "version": "3b3009ea8abb713b022d94fba95ec270cf6e7eae",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/handshake/request.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.4"
            },
            {
              "lessThan": "6.4",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.120",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.64",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19-rc2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.120",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.64",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.3",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19-rc2",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/handshake: restore destructor on submit failure\n\nhandshake_req_submit() replaces sk-\u003esk_destruct but never restores it when\nsubmission fails before the request is hashed. handshake_sk_destruct() then\nreturns early and the original destructor never runs, leaking the socket.\nRestore sk_destruct on the error path."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-23T14:15:14.963Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/cd8cf2be3717137554744233fda051ffc09d1d44"
        },
        {
          "url": "https://git.kernel.org/stable/c/7b82a1d6ae869533d8bdb0282a3a78faed8e63dd"
        },
        {
          "url": "https://git.kernel.org/stable/c/b225325be7b247c7268e65eea6090db1fc786d1f"
        },
        {
          "url": "https://git.kernel.org/stable/c/6af2a01d65f89e73c1cbb9267f8880d83a88cee4"
        }
      ],
      "title": "net/handshake: restore destructor on submit failure",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-71148",
    "datePublished": "2026-01-23T14:15:14.963Z",
    "dateReserved": "2026-01-13T15:30:19.662Z",
    "dateUpdated": "2026-01-23T14:15:14.963Z",
    "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

FKIE_CVE-2025-71148

CVE-2025-71148 (GCVE-0-2025-71148)

Tags

Sightings

Nomenclature