github - ghsa-53f2-x8g3-2v76

ghsa-53f2-x8g3-2v76

Vulnerability from github

Published

2024-08-21 09:31

Modified

2024-09-13 15:31

Severity ?

4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

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

xhci: Fix null pointer dereference when host dies

Make sure xhci_free_dev() and xhci_kill_endpoint_urbs() do not race and cause null pointer dereference when host suddenly dies.

Usb core may call xhci_free_dev() which frees the xhci->devs[slot_id] virt device at the same time that xhci_kill_endpoint_urbs() tries to loop through all the device's endpoints, checking if there are any cancelled urbs left to give back.

hold the xhci spinlock while freeing the virt device

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{
  "affected": [],
  "aliases": [
    "CVE-2023-52898"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-08-21T07:15:06Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: Fix null pointer dereference when host dies\n\nMake sure xhci_free_dev() and xhci_kill_endpoint_urbs() do not race\nand cause null pointer dereference when host suddenly dies.\n\nUsb core may call xhci_free_dev() which frees the xhci-\u003edevs[slot_id]\nvirt device at the same time that xhci_kill_endpoint_urbs() tries to\nloop through all the device\u0027s endpoints, checking if there are any\ncancelled urbs left to give back.\n\nhold the xhci spinlock while freeing the virt device",
  "id": "GHSA-53f2-x8g3-2v76",
  "modified": "2024-09-13T15:31:31Z",
  "published": "2024-08-21T09:31:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52898"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/081105213ff6f661c114781d469233c7d0e09c2e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/133b902378e4acbd824c29dd0d48570ad596e368"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6fac4b5cecb3928a0a81069aaa815a2edc8dd5a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a2bc47c43e70cf904b1af49f76d572326c08bca7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c462ac871f49753eca86bb960f573b993976a5ea"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ea2ee5e9991caf74e0604f994c1831a5867055b2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2023-52898

Vulnerability from cvelistv5

Published

2024-08-21 06:10

Modified

2024-12-19 08:28

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: xhci: Fix null pointer dereference when host dies Make sure xhci_free_dev() and xhci_kill_endpoint_urbs() do not race and cause null pointer dereference when host suddenly dies. Usb core may call xhci_free_dev() which frees the xhci->devs[slot_id] virt device at the same time that xhci_kill_endpoint_urbs() tries to loop through all the device's endpoints, checking if there are any cancelled urbs left to give back. hold the xhci spinlock while freeing the virt device

References

▼	URL	Tags
	https://git.kernel.org/stable/c/6fac4b5cecb3928a0a81069aaa815a2edc8dd5a1
	https://git.kernel.org/stable/c/133b902378e4acbd824c29dd0d48570ad596e368
	https://git.kernel.org/stable/c/081105213ff6f661c114781d469233c7d0e09c2e
	https://git.kernel.org/stable/c/c462ac871f49753eca86bb960f573b993976a5ea
	https://git.kernel.org/stable/c/ea2ee5e9991caf74e0604f994c1831a5867055b2
	https://git.kernel.org/stable/c/a2bc47c43e70cf904b1af49f76d572326c08bca7

Impacted products

Vendor

Product

Version

▼

Linux

Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Linux

Show details on NVD website

JSON

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        "metrics": [
          {
            "other": {
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                "id": "CVE-2023-52898",
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                  },
                  {
                    "Technical Impact": "partial"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T16:03:37.248352Z",
                "version": "2.0.3"
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              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2024-09-12T17:33:16.551Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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          "vendor": "Linux",
          "versions": [
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        }
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    "dateReserved": "2024-08-21T06:07:11.014Z",
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    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

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.
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.

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