github - ghsa-j8rw-3x8v-v327

GHSA-J8RW-3X8V-V327

Vulnerability from github – Published: 2025-04-01 18:30 – Updated: 2025-11-03 21:33

Details

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

usb: typec: ucsi: Fix NULL pointer access

Resources should be released only after all threads that utilize them have been destroyed. This commit ensures that resources are not released prematurely by waiting for the associated workqueue to complete before deallocating them.

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2025-21918"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-04-01T16:15:22Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: Fix NULL pointer access\n\nResources should be released only after all threads that utilize them\nhave been destroyed.\nThis commit ensures that resources are not released prematurely by waiting\nfor the associated workqueue to complete before deallocating them.",
  "id": "GHSA-j8rw-3x8v-v327",
  "modified": "2025-11-03T21:33:23Z",
  "published": "2025-04-01T18:30:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21918"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/079a3e52f3e751bb8f5937195bdf25c5d14fdff0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/46fba7be161bb89068958138ea64ec33c0b446d4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/592a0327d026a122e97e8e8bb7c60cbbe7697344"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7a735a8a46f6ebf898bbefd96659ca5da798bce0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b13abcb7ddd8d38de769486db5bd917537b32ab1"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-21918 (GCVE-0-2025-21918)

Vulnerability from cvelistv5 – Published: 2025-04-01 15:40 – Updated: 2025-11-03 19:39

Summary

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Fix NULL pointer access Resources should be released only after all threads that utilize them have been destroyed. This commit ensures that resources are not released prematurely by waiting for the associated workqueue to complete before deallocating them.

Severity ?

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-476 - NULL Pointer Dereference

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/7a735a8a46f6ebf89…
	https://git.kernel.org/stable/c/46fba7be161bb8906…
	https://git.kernel.org/stable/c/079a3e52f3e751bb8…
	https://git.kernel.org/stable/c/592a0327d026a122e…
	https://git.kernel.org/stable/c/b13abcb7ddd8d38de…

Impacted products

Vendor

Product

Version

Linux

Affected: b9aa02ca39a49740926c2c450a1505a4a0f8954a , < 7a735a8a46f6ebf898bbefd96659ca5da798bce0 (git)
Affected: b9aa02ca39a49740926c2c450a1505a4a0f8954a , < 46fba7be161bb89068958138ea64ec33c0b446d4 (git)
Affected: b9aa02ca39a49740926c2c450a1505a4a0f8954a , < 079a3e52f3e751bb8f5937195bdf25c5d14fdff0 (git)
Affected: b9aa02ca39a49740926c2c450a1505a4a0f8954a , < 592a0327d026a122e97e8e8bb7c60cbbe7697344 (git)
Affected: b9aa02ca39a49740926c2c450a1505a4a0f8954a , < b13abcb7ddd8d38de769486db5bd917537b32ab1 (git)

Linux

Affected: 5.16
Unaffected: 0 , < 5.16 (semver)
Unaffected: 6.1.133 , ≤ 6.1.* (semver)
Unaffected: 6.6.83 , ≤ 6.6.* (semver)
Unaffected: 6.12.19 , ≤ 6.12.* (semver)
Unaffected: 6.13.7 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-21918",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T19:24:04.279275Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-476",
                "description": "CWE-476 NULL Pointer Dereference",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-01T19:26:33.991Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T19:39:09.717Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/typec/ucsi/ucsi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7a735a8a46f6ebf898bbefd96659ca5da798bce0",
              "status": "affected",
              "version": "b9aa02ca39a49740926c2c450a1505a4a0f8954a",
              "versionType": "git"
            },
            {
              "lessThan": "46fba7be161bb89068958138ea64ec33c0b446d4",
              "status": "affected",
              "version": "b9aa02ca39a49740926c2c450a1505a4a0f8954a",
              "versionType": "git"
            },
            {
              "lessThan": "079a3e52f3e751bb8f5937195bdf25c5d14fdff0",
              "status": "affected",
              "version": "b9aa02ca39a49740926c2c450a1505a4a0f8954a",
              "versionType": "git"
            },
            {
              "lessThan": "592a0327d026a122e97e8e8bb7c60cbbe7697344",
              "status": "affected",
              "version": "b9aa02ca39a49740926c2c450a1505a4a0f8954a",
              "versionType": "git"
            },
            {
              "lessThan": "b13abcb7ddd8d38de769486db5bd917537b32ab1",
              "status": "affected",
              "version": "b9aa02ca39a49740926c2c450a1505a4a0f8954a",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.16"
            },
            {
              "lessThan": "5.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.133",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.83",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.19",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.13.*",
              "status": "unaffected",
              "version": "6.13.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.14",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.133",
                  "versionStartIncluding": "5.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.83",
                  "versionStartIncluding": "5.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.19",
                  "versionStartIncluding": "5.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.13.7",
                  "versionStartIncluding": "5.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14",
                  "versionStartIncluding": "5.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: Fix NULL pointer access\n\nResources should be released only after all threads that utilize them\nhave been destroyed.\nThis commit ensures that resources are not released prematurely by waiting\nfor the associated workqueue to complete before deallocating them."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T07:24:32.290Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7a735a8a46f6ebf898bbefd96659ca5da798bce0"
        },
        {
          "url": "https://git.kernel.org/stable/c/46fba7be161bb89068958138ea64ec33c0b446d4"
        },
        {
          "url": "https://git.kernel.org/stable/c/079a3e52f3e751bb8f5937195bdf25c5d14fdff0"
        },
        {
          "url": "https://git.kernel.org/stable/c/592a0327d026a122e97e8e8bb7c60cbbe7697344"
        },
        {
          "url": "https://git.kernel.org/stable/c/b13abcb7ddd8d38de769486db5bd917537b32ab1"
        }
      ],
      "title": "usb: typec: ucsi: Fix NULL pointer access",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-21918",
    "datePublished": "2025-04-01T15:40:53.561Z",
    "dateReserved": "2024-12-29T08:45:45.787Z",
    "dateUpdated": "2025-11-03T19:39:09.717Z",
    "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-J8RW-3X8V-V327

CVE-2025-21918 (GCVE-0-2025-21918)

Tags

Sightings

Nomenclature