github - ghsa-v368-7gcx-f4wj

GHSA-V368-7GCX-F4WJ

Vulnerability from github – Published: 2024-02-28 09:30 – Updated: 2024-12-06 21:30

Details

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

drm/amd/display: Free local data after use

Fixes the following memory leak in dc_link_construct():

unreferenced object 0xffffa03e81471400 (size 1024): comm "amd_module_load", pid 2486, jiffies 4294946026 (age 10.544s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000000bdf5c4a>] kmem_cache_alloc_trace+0x30a/0x4a0 [<00000000e7c59f0e>] link_create+0xce/0xac0 [amdgpu] [<000000002fb6c072>] dc_create+0x370/0x720 [amdgpu] [<000000000094d1f3>] amdgpu_dm_init+0x18e/0x17a0 [amdgpu] [<00000000bec048fd>] dm_hw_init+0x12/0x20 [amdgpu] [<00000000a2bb7cf6>] amdgpu_device_init+0x1463/0x1e60 [amdgpu] [<0000000032d3bb13>] amdgpu_driver_load_kms+0x5b/0x330 [amdgpu] [<00000000a27834f9>] amdgpu_pci_probe+0x192/0x280 [amdgpu] [<00000000fec7d291>] local_pci_probe+0x47/0xa0 [<0000000055dbbfa7>] pci_device_probe+0xe3/0x180 [<00000000815da970>] really_probe+0x1c4/0x4e0 [<00000000b4b6974b>] driver_probe_device+0x62/0x150 [<000000000f9ecc61>] device_driver_attach+0x58/0x60 [<000000000f65c843>] __driver_attach+0xd6/0x150 [<000000002f5e3683>] bus_for_each_dev+0x6a/0xc0 [<00000000a1cfc897>] driver_attach+0x1e/0x20

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47042"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-02-28T09:15:40Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Free local data after use\n\nFixes the following memory leak in dc_link_construct():\n\nunreferenced object 0xffffa03e81471400 (size 1024):\ncomm \"amd_module_load\", pid 2486, jiffies 4294946026 (age 10.544s)\nhex dump (first 32 bytes):\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\nbacktrace:\n[\u003c000000000bdf5c4a\u003e] kmem_cache_alloc_trace+0x30a/0x4a0\n[\u003c00000000e7c59f0e\u003e] link_create+0xce/0xac0 [amdgpu]\n[\u003c000000002fb6c072\u003e] dc_create+0x370/0x720 [amdgpu]\n[\u003c000000000094d1f3\u003e] amdgpu_dm_init+0x18e/0x17a0 [amdgpu]\n[\u003c00000000bec048fd\u003e] dm_hw_init+0x12/0x20 [amdgpu]\n[\u003c00000000a2bb7cf6\u003e] amdgpu_device_init+0x1463/0x1e60 [amdgpu]\n[\u003c0000000032d3bb13\u003e] amdgpu_driver_load_kms+0x5b/0x330 [amdgpu]\n[\u003c00000000a27834f9\u003e] amdgpu_pci_probe+0x192/0x280 [amdgpu]\n[\u003c00000000fec7d291\u003e] local_pci_probe+0x47/0xa0\n[\u003c0000000055dbbfa7\u003e] pci_device_probe+0xe3/0x180\n[\u003c00000000815da970\u003e] really_probe+0x1c4/0x4e0\n[\u003c00000000b4b6974b\u003e] driver_probe_device+0x62/0x150\n[\u003c000000000f9ecc61\u003e] device_driver_attach+0x58/0x60\n[\u003c000000000f65c843\u003e] __driver_attach+0xd6/0x150\n[\u003c000000002f5e3683\u003e] bus_for_each_dev+0x6a/0xc0\n[\u003c00000000a1cfc897\u003e] driver_attach+0x1e/0x20",
  "id": "GHSA-v368-7gcx-f4wj",
  "modified": "2024-12-06T21:30:35Z",
  "published": "2024-02-28T09:30:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47042"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/296443139f893b554dddd56a99ba8471ab5802d4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/616cf23b6cf40ad6f03ffbddfa1b6c4eb68d8ae1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-47042 (GCVE-0-2021-47042)

Vulnerability from cvelistv5 – Published: 2024-02-28 08:13 – Updated: 2025-05-04 07:02

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Free local data after use Fixes the following memory leak in dc_link_construct(): unreferenced object 0xffffa03e81471400 (size 1024): comm "amd_module_load", pid 2486, jiffies 4294946026 (age 10.544s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000000bdf5c4a>] kmem_cache_alloc_trace+0x30a/0x4a0 [<00000000e7c59f0e>] link_create+0xce/0xac0 [amdgpu] [<000000002fb6c072>] dc_create+0x370/0x720 [amdgpu] [<000000000094d1f3>] amdgpu_dm_init+0x18e/0x17a0 [amdgpu] [<00000000bec048fd>] dm_hw_init+0x12/0x20 [amdgpu] [<00000000a2bb7cf6>] amdgpu_device_init+0x1463/0x1e60 [amdgpu] [<0000000032d3bb13>] amdgpu_driver_load_kms+0x5b/0x330 [amdgpu] [<00000000a27834f9>] amdgpu_pci_probe+0x192/0x280 [amdgpu] [<00000000fec7d291>] local_pci_probe+0x47/0xa0 [<0000000055dbbfa7>] pci_device_probe+0xe3/0x180 [<00000000815da970>] really_probe+0x1c4/0x4e0 [<00000000b4b6974b>] driver_probe_device+0x62/0x150 [<000000000f9ecc61>] device_driver_attach+0x58/0x60 [<000000000f65c843>] __driver_attach+0xd6/0x150 [<000000002f5e3683>] bus_for_each_dev+0x6a/0xc0 [<00000000a1cfc897>] driver_attach+0x1e/0x20

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/296443139f893b554…
	https://git.kernel.org/stable/c/616cf23b6cf40ad6f…

Impacted products

Vendor

Product

Version

Linux

Affected: 3a00c04212d1cfe1426338b78f4ead623508c874 , < 296443139f893b554dddd56a99ba8471ab5802d4 (git)
Affected: 3a00c04212d1cfe1426338b78f4ead623508c874 , < 616cf23b6cf40ad6f03ffbddfa1b6c4eb68d8ae1 (git)

Linux

Affected: 5.12
Unaffected: 0 , < 5.12 (semver)
Unaffected: 5.12.4 , ≤ 5.12.* (semver)
Unaffected: 5.13 , ≤ * (original_commit_for_fix)

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JSON

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            "url": "https://git.kernel.org/stable/c/616cf23b6cf40ad6f03ffbddfa1b6c4eb68d8ae1"
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          "product": "Linux",
          "programFiles": [
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          ],
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              "versionType": "git"
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Sightings

Author	Source	Type	Date

Nomenclature

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.

Action not permitted

GHSA-V368-7GCX-F4WJ

CVE-2021-47042 (GCVE-0-2021-47042)

Tags

Sightings

Nomenclature