{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47142", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-04T18:12:48.842Z", "datePublished": "2024-03-25T09:07:40.374Z", "dateUpdated": "2024-11-04T12:00:17.908Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T12:00:17.908Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Fix a use-after-free\n\nlooks like we forget to set ttm->sg to NULL.\nHit panic below\n\n[ 1235.844104] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b7b4b: 0000 [#1] SMP DEBUG_PAGEALLOC NOPTI\n[ 1235.989074] Call Trace:\n[ 1235.991751] sg_free_table+0x17/0x20\n[ 1235.995667] amdgpu_ttm_backend_unbind.cold+0x4d/0xf7 [amdgpu]\n[ 1236.002288] amdgpu_ttm_backend_destroy+0x29/0x130 [amdgpu]\n[ 1236.008464] ttm_tt_destroy+0x1e/0x30 [ttm]\n[ 1236.013066] ttm_bo_cleanup_memtype_use+0x51/0xa0 [ttm]\n[ 1236.018783] ttm_bo_release+0x262/0xa50 [ttm]\n[ 1236.023547] ttm_bo_put+0x82/0xd0 [ttm]\n[ 1236.027766] amdgpu_bo_unref+0x26/0x50 [amdgpu]\n[ 1236.032809] amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu+0x7aa/0xd90 [amdgpu]\n[ 1236.040400] kfd_ioctl_alloc_memory_of_gpu+0xe2/0x330 [amdgpu]\n[ 1236.046912] kfd_ioctl+0x463/0x690 [amdgpu]"}], "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/amdgpu/amdgpu_ttm.c"], "versions": [{"version": "1da177e4c3f4", "lessThan": "0707c3fea810", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "3293cf3513d6", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "952ab3f9f48e", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "a849e218556f", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "7398c2aab4da", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "f98cdf084405", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "d4ea141fd4b4", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "1e5c37385097", "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/amdgpu/amdgpu_ttm.c"], "versions": [{"version": "4.4.271", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.271", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.235", 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"version": "1da177e4c3f4", "lessThan": "952ab3f9f48e", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "a849e218556f", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "7398c2aab4da", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "f98cdf084405", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "d4ea141fd4b4", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "1e5c37385097", "versionType": "git"}], "programFiles": ["drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "unaffected", "version": "4.4.271", "versionType": "custom", "lessThanOrEqual": "4.4.*"}, {"status": "unaffected", "version": "4.9.271", "versionType": "custom", "lessThanOrEqual": "4.9.*"}, {"status": "unaffected", "version": "4.14.235", "versionType": "custom", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.193", "versionType": "custom", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.124", "versionType": "custom", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.42", "versionType": "custom", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.12.9", "versionType": "custom", "lessThanOrEqual": "5.12.*"}, {"status": "unaffected", "version": "5.13", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/0707c3fea8102d211631ba515ef2159707561b0d"}, {"url": "https://git.kernel.org/stable/c/3293cf3513d69f00c14d43e2020826d45ea0e46a"}, {"url": "https://git.kernel.org/stable/c/952ab3f9f48eb0e8050596d41951cf516be6b122"}, {"url": "https://git.kernel.org/stable/c/a849e218556f932576c0fb1c5a88714b61709a17"}, {"url": "https://git.kernel.org/stable/c/7398c2aab4da960761ec182d04d6d5abbb4a226e"}, {"url": "https://git.kernel.org/stable/c/f98cdf084405333ee2f5be548a91b2d168e49276"}, {"url": "https://git.kernel.org/stable/c/d4ea141fd4b40636a8326df5a377d9c5cf9b3faa"}, {"url": "https://git.kernel.org/stable/c/1e5c37385097c35911b0f8a0c67ffd10ee1af9a2"}], "x_generator": {"engine": "bippy-a5840b7849dd"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Fix a use-after-free\n\nlooks like we forget to set ttm->sg to NULL.\nHit panic below\n\n[ 1235.844104] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b7b4b: 0000 [#1] SMP DEBUG_PAGEALLOC NOPTI\n[ 1235.989074] Call Trace:\n[ 1235.991751] sg_free_table+0x17/0x20\n[ 1235.995667] amdgpu_ttm_backend_unbind.cold+0x4d/0xf7 [amdgpu]\n[ 1236.002288] amdgpu_ttm_backend_destroy+0x29/0x130 [amdgpu]\n[ 1236.008464] ttm_tt_destroy+0x1e/0x30 [ttm]\n[ 1236.013066] ttm_bo_cleanup_memtype_use+0x51/0xa0 [ttm]\n[ 1236.018783] ttm_bo_release+0x262/0xa50 [ttm]\n[ 1236.023547] ttm_bo_put+0x82/0xd0 [ttm]\n[ 1236.027766] amdgpu_bo_unref+0x26/0x50 [amdgpu]\n[ 1236.032809] amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu+0x7aa/0xd90 [amdgpu]\n[ 1236.040400] kfd_ioctl_alloc_memory_of_gpu+0xe2/0x330 [amdgpu]\n[ 1236.046912] kfd_ioctl+0x463/0x690 [amdgpu]"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:02:50.712Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47142", "state": "PUBLISHED", "dateUpdated": "2024-09-11T17:33:15.288Z", "dateReserved": "2024-03-04T18:12:48.842Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-03-25T09:07:40.374Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Fix a use-after-free\n\nlooks like we forget to set ttm->sg to NULL.\nHit panic below\n\n[ 1235.844104] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b7b4b: 0000 [#1] SMP DEBUG_PAGEALLOC NOPTI\n[ 1235.989074] Call Trace:\n[ 1235.991751] sg_free_table+0x17/0x20\n[ 1235.995667] amdgpu_ttm_backend_unbind.cold+0x4d/0xf7 [amdgpu]\n[ 1236.002288] amdgpu_ttm_backend_destroy+0x29/0x130 [amdgpu]\n[ 1236.008464] ttm_tt_destroy+0x1e/0x30 [ttm]\n[ 1236.013066] ttm_bo_cleanup_memtype_use+0x51/0xa0 [ttm]\n[ 1236.018783] ttm_bo_release+0x262/0xa50 [ttm]\n[ 1236.023547] ttm_bo_put+0x82/0xd0 [ttm]\n[ 1236.027766] amdgpu_bo_unref+0x26/0x50 [amdgpu]\n[ 1236.032809] amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu+0x7aa/0xd90 [amdgpu]\n[ 1236.040400] kfd_ioctl_alloc_memory_of_gpu+0xe2/0x330 [amdgpu]\n[ 1236.046912] kfd_ioctl+0x463/0x690 [amdgpu]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amdgpu: se soluciona un problema de use-after-free que parece que nos olvidamos de configurar ttm->sg en NULL. Se produce p\u00e1nico a continuaci\u00f3n [1235.844104] falla de protecci\u00f3n general, probablemente para la direcci\u00f3n no can\u00f3nica 0x6b6b6b6b6b6b7b4b: 0000 [#1] SMP DEBUG_PAGEALLOC NOPTI [1235.989074] Seguimiento de llamadas: [1235.991751] sg_free_table+0x17/0x20 [ 123 5.995667] amdgpu_ttm_backend_unbind.cold+0x4d/0xf7 [amdgpu] [ 1236.002288] amdgpu_ttm_backend_destroy+0x29/0x130 [amdgpu] [ 1236.008464] ttm_tt_destroy+0x1e/0x30 [ttm] [ 1236.013066] ttm_bo_cleanup_memtype_use+0x51/0xa 0 [ttm] [ 1236.018783] ttm_bo_release+0x262/0xa50 [ttm] [ 1236.023547] ttm_bo_put+0x82/0xd0 [ttm] [ 1236.027766] amdgpu_bo_unref+0x26/0x50 [amdgpu] [ 1236.032809] amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu+0x7aa/0xd90 [amdgpu] [ 123 6.040400] kfd_ioctl_alloc_memory_of_gpu+0xe2/0x330 [amdgpu] [ 1236.046912] kfd_ioctl+0x463/0x690 [ amdgpu]"}], "id": "CVE-2021-47142", "lastModified": "2024-03-25T13:47:14.087", "metrics": {}, "published": "2024-03-25T09:15:08.843", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0707c3fea8102d211631ba515ef2159707561b0d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1e5c37385097c35911b0f8a0c67ffd10ee1af9a2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3293cf3513d69f00c14d43e2020826d45ea0e46a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7398c2aab4da960761ec182d04d6d5abbb4a226e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/952ab3f9f48eb0e8050596d41951cf516be6b122"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a849e218556f932576c0fb1c5a88714b61709a17"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d4ea141fd4b40636a8326df5a377d9c5cf9b3faa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f98cdf084405333ee2f5be548a91b2d168e49276"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: drm/amdgpu: Fix a use-after-free", "id": "2271480", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2271480"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amdgpu: Fix a use-after-free\nlooks like we forget to set ttm->sg to NULL.\nHit panic below\n[ 1235.844104] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b7b4b: 0000 [#1] SMP DEBUG_PAGEALLOC NOPTI\n[ 1235.989074] Call Trace:\n[ 1235.991751] sg_free_table+0x17/0x20\n[ 1235.995667] amdgpu_ttm_backend_unbind.cold+0x4d/0xf7 [amdgpu]\n[ 1236.002288] amdgpu_ttm_backend_destroy+0x29/0x130 [amdgpu]\n[ 1236.008464] ttm_tt_destroy+0x1e/0x30 [ttm]\n[ 1236.013066] ttm_bo_cleanup_memtype_use+0x51/0xa0 [ttm]\n[ 1236.018783] ttm_bo_release+0x262/0xa50 [ttm]\n[ 1236.023547] ttm_bo_put+0x82/0xd0 [ttm]\n[ 1236.027766] amdgpu_bo_unref+0x26/0x50 [amdgpu]\n[ 1236.032809] amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu+0x7aa/0xd90 [amdgpu]\n[ 1236.040400] kfd_ioctl_alloc_memory_of_gpu+0xe2/0x330 [amdgpu]\n[ 1236.046912] kfd_ioctl+0x463/0x690 [amdgpu]", "A vulnerability was found in DRM (Direct Rendering Manager) AMDGPU driver of Linux Kernel, where an use-after-free occurred due to the failure to properly set ttm->sg to NULL, leads to a panic scenario causing potential memory corruption."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2021-47142", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-03-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47142\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47142\nhttps://lore.kernel.org/linux-cve-announce/2024032558-CVE-2021-47142-9319@gregkh/T"], "threat_severity": "Moderate", "upstream_fix": "kernel 4.4.271, kernel 4.9.271, kernel 4.14.235, kernel 4.19.193, kernel 5.4.124, kernel 5.10.42, kernel 5.12.9, kernel 5.13"}