github - ghsa-2hgc-w527-6cxw

ghsa-2hgc-w527-6cxw

Vulnerability from github

Published

2024-06-19 15:30

Modified

2024-12-02 09:39

Severity ?

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

Details

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

net: fec: remove .ndo_poll_controller to avoid deadlocks

There is a deadlock issue found in sungem driver, please refer to the commit ac0a230f719b ("eth: sungem: remove .ndo_poll_controller to avoid deadlocks"). The root cause of the issue is that netpoll is in atomic context and disable_irq() is called by .ndo_poll_controller interface of sungem driver, however, disable_irq() might sleep. After analyzing the implementation of fec_poll_controller(), the fec driver should have the same issue. Due to the fec driver uses NAPI for TX completions, the .ndo_poll_controller is unnecessary to be implemented in the fec driver, so fec_poll_controller() can be safely removed.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-38553"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-667"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-19T14:15:15Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fec: remove .ndo_poll_controller to avoid deadlocks\n\nThere is a deadlock issue found in sungem driver, please refer to the\ncommit ac0a230f719b (\"eth: sungem: remove .ndo_poll_controller to avoid\ndeadlocks\"). The root cause of the issue is that netpoll is in atomic\ncontext and disable_irq() is called by .ndo_poll_controller interface\nof sungem driver, however, disable_irq() might sleep. After analyzing\nthe implementation of fec_poll_controller(), the fec driver should have\nthe same issue. Due to the fec driver uses NAPI for TX completions, the\n.ndo_poll_controller is unnecessary to be implemented in the fec driver,\nso fec_poll_controller() can be safely removed.",
  "id": "GHSA-2hgc-w527-6cxw",
  "modified": "2024-12-02T09:39:11Z",
  "published": "2024-06-19T15:30:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38553"
    },
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      "url": "https://git.kernel.org/stable/c/87bcbc9b7e0b43a69d44efa5f32f11e32d08fa6f"
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    },
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      "url": "https://git.kernel.org/stable/c/c2e0c58b25a0a0c37ec643255558c5af4450c9f5"
    },
    {
      "type": "WEB",
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    },
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  "schema_version": "1.4.0",
  "severity": [
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      "type": "CVSS_V3"
    }
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}

cve-2024-38553

Vulnerability from cvelistv5

Published

2024-06-19 13:35

Modified

2024-12-02 07:59

Severity ?

Summary

net: fec: remove .ndo_poll_controller to avoid deadlocks

References

▼	URL	Tags
	https://git.kernel.org/stable/c/e2348d8c61d03feece1de4c05f72e6e99f74c650
	https://git.kernel.org/stable/c/d38625f71950e79e254515c5fc585552dad4b33e
	https://git.kernel.org/stable/c/accdd6b912c4219b8e056d1f1ad2e85bc66ee243
	https://git.kernel.org/stable/c/87bcbc9b7e0b43a69d44efa5f32f11e32d08fa6f
	https://git.kernel.org/stable/c/c2e0c58b25a0a0c37ec643255558c5af4450c9f5

Impacted products

Vendor

Product

Version

▼

Linux

Version: 7f5c6addcdc0
Version: 7f5c6addcdc0
Version: 7f5c6addcdc0
Version: 7f5c6addcdc0
Version: 7f5c6addcdc0

Linux

Version: 3.2

Show details on NVD website

JSON

To clipboard

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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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