| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "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[<000000000bdf5c4a>] kmem_cache_alloc_trace+0x30a/0x4a0\n[<00000000e7c59f0e>] link_create+0xce/0xac0 [amdgpu]\n[<000000002fb6c072>] dc_create+0x370/0x720 [amdgpu]\n[<000000000094d1f3>] amdgpu_dm_init+0x18e/0x17a0 [amdgpu]\n[<00000000bec048fd>] dm_hw_init+0x12/0x20 [amdgpu]\n[<00000000a2bb7cf6>] amdgpu_device_init+0x1463/0x1e60 [amdgpu]\n[<0000000032d3bb13>] amdgpu_driver_load_kms+0x5b/0x330 [amdgpu]\n[<00000000a27834f9>] amdgpu_pci_probe+0x192/0x280 [amdgpu]\n[<00000000fec7d291>] local_pci_probe+0x47/0xa0\n[<0000000055dbbfa7>] pci_device_probe+0xe3/0x180\n[<00000000815da970>] really_probe+0x1c4/0x4e0\n[<00000000b4b6974b>] driver_probe_device+0x62/0x150\n[<000000000f9ecc61>] device_driver_attach+0x58/0x60\n[<000000000f65c843>] __driver_attach+0xd6/0x150\n[<000000002f5e3683>] bus_for_each_dev+0x6a/0xc0\n[<00000000a1cfc897>] driver_attach+0x1e/0x20" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/gpu/drm/amd/display/dc/core/dc_link.c" |
| ], |
| "versions": [ |
| { |
| "version": "3a00c04212d1cfe1426338b78f4ead623508c874", |
| "lessThan": "296443139f893b554dddd56a99ba8471ab5802d4", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "3a00c04212d1cfe1426338b78f4ead623508c874", |
| "lessThan": "616cf23b6cf40ad6f03ffbddfa1b6c4eb68d8ae1", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/gpu/drm/amd/display/dc/core/dc_link.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.12", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.12", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.12.4", |
| "lessThanOrEqual": "5.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.13", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.12", |
| "versionEndExcluding": "5.12.4" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.12", |
| "versionEndExcluding": "5.13" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/296443139f893b554dddd56a99ba8471ab5802d4" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/616cf23b6cf40ad6f03ffbddfa1b6c4eb68d8ae1" |
| } |
| ], |
| "title": "drm/amd/display: Free local data after use", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47042", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
