ghsa-v368-7gcx-f4wj
Vulnerability from github
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
{
"affected": [],
"aliases": [
"CVE-2021-47042"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-02-28T09:15:40Z",
"severity": null
},
"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": "2024-02-28T09:30:38Z",
"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": []
}
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.