github - ghsa-rfpv-q7vr-v94r

ghsa-rfpv-q7vr-v94r

Vulnerability from github

Published

2024-03-25 12:30

Modified

2024-03-25 12:30

Details

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

drm/meson: fix shutdown crash when component not probed

When main component is not probed, by example when the dw-hdmi module is not loaded yet or in probe defer, the following crash appears on shutdown:

Unable to handle kernel NULL pointer dereference at virtual address 0000000000000038 ... pc : meson_drv_shutdown+0x24/0x50 lr : platform_drv_shutdown+0x20/0x30 ... Call trace: meson_drv_shutdown+0x24/0x50 platform_drv_shutdown+0x20/0x30 device_shutdown+0x158/0x360 kernel_restart_prepare+0x38/0x48 kernel_restart+0x18/0x68 __do_sys_reboot+0x224/0x250 __arm64_sys_reboot+0x24/0x30 ...

Simply check if the priv struct has been allocated before using it.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47165"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-03-25T10:15:08Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/meson: fix shutdown crash when component not probed\n\nWhen main component is not probed, by example when the dw-hdmi module is\nnot loaded yet or in probe defer, the following crash appears on shutdown:\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000038\n...\npc : meson_drv_shutdown+0x24/0x50\nlr : platform_drv_shutdown+0x20/0x30\n...\nCall trace:\nmeson_drv_shutdown+0x24/0x50\nplatform_drv_shutdown+0x20/0x30\ndevice_shutdown+0x158/0x360\nkernel_restart_prepare+0x38/0x48\nkernel_restart+0x18/0x68\n__do_sys_reboot+0x224/0x250\n__arm64_sys_reboot+0x24/0x30\n...\n\nSimply check if the priv struct has been allocated before using it.",
  "id": "GHSA-rfpv-q7vr-v94r",
  "modified": "2024-03-25T12:30:52Z",
  "published": "2024-03-25T12:30:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47165"
    },
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      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0"
    },
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  "schema_version": "1.4.0",
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}

cve-2021-47165

Vulnerability from cvelistv5

Published

2024-03-25 09:16

Modified

2024-11-04 12:00

Severity ?

Summary

drm/meson: fix shutdown crash when component not probed

References

▼	URL	Tags
	https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b
	https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68
	https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0
	https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212
	https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a
	https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2

Impacted products

▼	Vendor	Product
	Linux	Linux
	Linux	Linux

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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