github - ghsa-mpxh-cqc3-vxpw

ghsa-mpxh-cqc3-vxpw

Vulnerability from github

Published

2024-06-21 12:31

Modified

2024-09-09 15:30

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:

drm/msm/a6xx: Avoid a nullptr dereference when speedbin setting fails

Calling a6xx_destroy() before adreno_gpu_init() leads to a null pointer dereference on:

msm_gpu_cleanup() : platform_set_drvdata(gpu->pdev, NULL);

as gpu->pdev is only assigned in:

a6xx_gpu_init() | adreno_gpu_init | msm_gpu_init()

Instead of relying on handwavy null checks down the cleanup chain, explicitly de-allocate the LLC data and free a6xx_gpu instead.

Patchwork: https://patchwork.freedesktop.org/patch/588919/

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{
  "affected": [],
  "aliases": [
    "CVE-2024-38390"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-21T11:15:10Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/a6xx: Avoid a nullptr dereference when speedbin setting fails\n\nCalling a6xx_destroy() before adreno_gpu_init() leads to a null pointer\ndereference on:\n\nmsm_gpu_cleanup() : platform_set_drvdata(gpu-\u003epdev, NULL);\n\nas gpu-\u003epdev is only assigned in:\n\na6xx_gpu_init()\n|_ adreno_gpu_init\n    |_ msm_gpu_init()\n\nInstead of relying on handwavy null checks down the cleanup chain,\nexplicitly de-allocate the LLC data and free a6xx_gpu instead.\n\nPatchwork: https://patchwork.freedesktop.org/patch/588919/",
  "id": "GHSA-mpxh-cqc3-vxpw",
  "modified": "2024-09-09T15:30:37Z",
  "published": "2024-06-21T12:31:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38390"
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      "url": "https://git.kernel.org/stable/c/247849eeb3fd88f8990ed73e33af70d5c10f9aec"
    },
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    },
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}

cve-2024-38390

Vulnerability from cvelistv5

Published

2024-06-21 10:18

Modified

2024-12-19 09:03

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a6xx: Avoid a nullptr dereference when speedbin setting fails Calling a6xx_destroy() before adreno_gpu_init() leads to a null pointer dereference on: msm_gpu_cleanup() : platform_set_drvdata(gpu->pdev, NULL); as gpu->pdev is only assigned in: a6xx_gpu_init() |_ adreno_gpu_init |_ msm_gpu_init() Instead of relying on handwavy null checks down the cleanup chain, explicitly de-allocate the LLC data and free a6xx_gpu instead. Patchwork: https://patchwork.freedesktop.org/patch/588919/

References

▼	URL	Tags
	https://git.kernel.org/stable/c/247849eeb3fd88f8990ed73e33af70d5c10f9aec
	https://git.kernel.org/stable/c/a1955a6df91355fef72a3a254700acd3cc1fec0d
	https://git.kernel.org/stable/c/617e3d1680504a3f9d88e1582892c68be155498f
	https://git.kernel.org/stable/c/46d4efcccc688cbacdd70a238bedca510acaa8e4

Impacted products

Vendor

Product

Version

▼

Linux

Version: 76efc2453d0e8e5d6692ef69981b183ad674edea
Version: 76efc2453d0e8e5d6692ef69981b183ad674edea
Version: 76efc2453d0e8e5d6692ef69981b183ad674edea
Version: 76efc2453d0e8e5d6692ef69981b183ad674edea

Linux

Version: 6.1

Show details on NVD website

JSON

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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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