Vulnerability-Lookup

FKIE_CVE-2025-40135

Vulnerability from fkie_nvd - Published: 2025-11-12 11:15 - Updated: 2026-04-15 00:35

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_xmit() Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9085e56501d93af9f2d7bd16f7fcfacdde47b99c
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/bd0905e2122e3680968cd0741966983490bf2ed3
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f0a54d00d2f36de40266f47c27989853e8588656
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f69fec6287565fdeb61f65e700a1184352306943
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f7f9e924f23684b4b23cd9f976cceab24a968e34

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: use RCU in ip6_xmit()\n\nUse RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent\npossible UAF."
    }
  ],
  "id": "CVE-2025-40135",
  "lastModified": "2026-04-15T00:35:42.020",
  "metrics": {},
  "published": "2025-11-12T11:15:43.220",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/9085e56501d93af9f2d7bd16f7fcfacdde47b99c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/bd0905e2122e3680968cd0741966983490bf2ed3"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f0a54d00d2f36de40266f47c27989853e8588656"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f69fec6287565fdeb61f65e700a1184352306943"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f7f9e924f23684b4b23cd9f976cceab24a968e34"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}

CVE-2025-40135 (GCVE-0-2025-40135)

Vulnerability from cvelistv5 – Published: 2025-11-12 10:23 – Updated: 2026-03-25 10:19

Title

ipv6: use RCU in ip6_xmit()

Summary

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_xmit() Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/f0a54d00d2f36de40…
	https://git.kernel.org/stable/c/f69fec6287565fdeb…
	https://git.kernel.org/stable/c/bd0905e2122e36809…
	https://git.kernel.org/stable/c/f7f9e924f23684b4b…
	https://git.kernel.org/stable/c/9085e56501d93af9f…

Impacted products

Vendor

Product

Version

Linux

Affected: 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 , < f0a54d00d2f36de40266f47c27989853e8588656 (git)
Affected: 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 , < f69fec6287565fdeb61f65e700a1184352306943 (git)
Affected: 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 , < bd0905e2122e3680968cd0741966983490bf2ed3 (git)
Affected: 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 , < f7f9e924f23684b4b23cd9f976cceab24a968e34 (git)
Affected: 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 , < 9085e56501d93af9f2d7bd16f7fcfacdde47b99c (git)

Linux

Affected: 4.13
Unaffected: 0 , < 4.13 (semver)
Unaffected: 6.1.167 , ≤ 6.1.* (semver)
Unaffected: 6.6.130 , ≤ 6.6.* (semver)
Unaffected: 6.12.78 , ≤ 6.12.* (semver)
Unaffected: 6.17.3 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/ipv6/ip6_output.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f0a54d00d2f36de40266f47c27989853e8588656",
              "status": "affected",
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "versionType": "git"
            },
            {
              "lessThan": "f69fec6287565fdeb61f65e700a1184352306943",
              "status": "affected",
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "versionType": "git"
            },
            {
              "lessThan": "bd0905e2122e3680968cd0741966983490bf2ed3",
              "status": "affected",
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "versionType": "git"
            },
            {
              "lessThan": "f7f9e924f23684b4b23cd9f976cceab24a968e34",
              "status": "affected",
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "versionType": "git"
            },
            {
              "lessThan": "9085e56501d93af9f2d7bd16f7fcfacdde47b99c",
              "status": "affected",
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/ipv6/ip6_output.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.13"
            },
            {
              "lessThan": "4.13",
              "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": "6.12.78",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.167",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.130",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.78",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17.3",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: use RCU in ip6_xmit()\n\nUse RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent\npossible UAF."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-25T10:19:45.508Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f0a54d00d2f36de40266f47c27989853e8588656"
        },
        {
          "url": "https://git.kernel.org/stable/c/f69fec6287565fdeb61f65e700a1184352306943"
        },
        {
          "url": "https://git.kernel.org/stable/c/bd0905e2122e3680968cd0741966983490bf2ed3"
        },
        {
          "url": "https://git.kernel.org/stable/c/f7f9e924f23684b4b23cd9f976cceab24a968e34"
        },
        {
          "url": "https://git.kernel.org/stable/c/9085e56501d93af9f2d7bd16f7fcfacdde47b99c"
        }
      ],
      "title": "ipv6: use RCU in ip6_xmit()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40135",
    "datePublished": "2025-11-12T10:23:23.051Z",
    "dateReserved": "2025-04-16T07:20:57.170Z",
    "dateUpdated": "2026-03-25T10:19:45.508Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "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-2025-40135

CVE-2025-40135 (GCVE-0-2025-40135)

Tags

Sightings

Nomenclature