CVE-2025-37809 (GCVE-0-2025-37809)

Vulnerability from cvelistv5 – Published: 2025-05-08 06:26 – Updated: 2025-05-26 05:21
VLAI?
Title
usb: typec: class: Fix NULL pointer access
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: typec: class: Fix NULL pointer access Concurrent calls to typec_partner_unlink_device can lead to a NULL pointer dereference. This patch adds a mutex to protect USB device pointers and prevent this issue. The same mutex protects both the device pointers and the partner device registration.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 59de2a56d127890cc610f3896d5fc31887c54ac2 , < de7c24febd21413ea8f49f61b36338b676c02852 (git)
Affected: 59de2a56d127890cc610f3896d5fc31887c54ac2 , < 1fdde62411fe65640e69bc55ea027d5b7b2f0093 (git)
Affected: 59de2a56d127890cc610f3896d5fc31887c54ac2 , < ec27386de23a511008c53aa2f3434ad180a3ca9a (git)
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    Linux Linux Affected: 6.7
Unaffected: 0 , < 6.7 (semver)
Unaffected: 6.12.26 , ≤ 6.12.* (semver)
Unaffected: 6.14.5 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/typec/class.c",
            "drivers/usb/typec/class.h"
          ],
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          "vendor": "Linux",
          "versions": [
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              "lessThan": "de7c24febd21413ea8f49f61b36338b676c02852",
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              "versionType": "git"
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            }
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        {
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          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
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            },
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              "status": "unaffected",
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              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
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                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
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                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: class: Fix NULL pointer access\n\nConcurrent calls to typec_partner_unlink_device can lead to a NULL pointer\ndereference. This patch adds a mutex to protect USB device pointers and\nprevent this issue. The same mutex protects both the device pointers and\nthe partner device registration."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-26T05:21:19.579Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/de7c24febd21413ea8f49f61b36338b676c02852"
        },
        {
          "url": "https://git.kernel.org/stable/c/1fdde62411fe65640e69bc55ea027d5b7b2f0093"
        },
        {
          "url": "https://git.kernel.org/stable/c/ec27386de23a511008c53aa2f3434ad180a3ca9a"
        }
      ],
      "title": "usb: typec: class: Fix NULL pointer access",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37809",
    "datePublished": "2025-05-08T06:26:07.510Z",
    "dateReserved": "2025-04-16T04:51:23.942Z",
    "dateUpdated": "2025-05-26T05:21:19.579Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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  • 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.