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        "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": "2024-09-11T17:33:15.288Z"
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                "dateUpdated": "2024-05-29T05:02:50.712Z"
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                    "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]"
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                    "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"
                    ],
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                            "version": "1da177e4c3f4",
                            "lessThan": "0707c3fea810",
                            "status": "affected",
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                            "lessThan": "3293cf3513d6",
                            "status": "affected",
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                            "status": "affected",
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                            "status": "affected",
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                            "lessThan": "d4ea141fd4b4",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "1e5c37385097",
                            "status": "affected",
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                    "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"
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                    "versions": [
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                            "version": "4.4.271",
                            "lessThanOrEqual": "4.4.*",
                            "status": "unaffected",
                            "versionType": "custom"
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                        {
                            "version": "4.9.271",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "4.14.235",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "custom"
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                        {
                            "version": "4.19.193",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
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                        {
                            "version": "5.4.124",
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                            "status": "unaffected",
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                            "version": "5.10.42",
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                            "status": "unaffected",
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                        {
                            "version": "5.12.9",
                            "lessThanOrEqual": "5.12.*",
                            "status": "unaffected",
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                            "version": "5.13",
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                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
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                    "url": "https://git.kernel.org/stable/c/0707c3fea8102d211631ba515ef2159707561b0d"
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                    "url": "https://git.kernel.org/stable/c/3293cf3513d69f00c14d43e2020826d45ea0e46a"
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                    "url": "https://git.kernel.org/stable/c/1e5c37385097c35911b0f8a0c67ffd10ee1af9a2"
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