CVE-2021-47142
- Source
- https://cve.org/CVERecord?id=CVE-2021-47142
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-47142.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-47142
- Downstream
- Related
- Published
- 2024-03-25T09:15:08Z
- Modified
- 2026-03-13T05:09:01Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: Fix a use-after-free
looks like we forget to set ttm->sg to NULL. Hit panic below
[ 1235.844104] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b7b4b: 0000 [#1] SMP DEBUG_PAGEALLOC NOPTI [ 1235.989074] Call Trace: [ 1235.991751] sg_free_table+0x17/0x20 [ 1235.995667] 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+0x51/0xa0 [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] [ 1236.040400] kfd_ioctl_alloc_memory_of_gpu+0xe2/0x330 [amdgpu] [ 1236.046912] kfd_ioctl+0x463/0x690 [amdgpu]
- References
-
- https://git.kernel.org/stable/c/a849e218556f932576c0fb1c5a88714b61709a17
- https://git.kernel.org/stable/c/d4ea141fd4b40636a8326df5a377d9c5cf9b3faa
- https://git.kernel.org/stable/c/f98cdf084405333ee2f5be548a91b2d168e49276
- https://git.kernel.org/stable/c/0707c3fea8102d211631ba515ef2159707561b0d
- https://git.kernel.org/stable/c/1e5c37385097c35911b0f8a0c67ffd10ee1af9a2
- https://git.kernel.org/stable/c/3293cf3513d69f00c14d43e2020826d45ea0e46a
- https://git.kernel.org/stable/c/7398c2aab4da960761ec182d04d6d5abbb4a226e
- https://git.kernel.org/stable/c/952ab3f9f48eb0e8050596d41951cf516be6b122
Affected packages
Git /
Database specific
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-47142.json"
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.4.271"
}
]
},
{
"events": [
{
"introduced": "4.9.0"
},
{
"fixed": "4.9.271"
}
]
},
{
"events": [
{
"introduced": "4.14.0"
},
{
"fixed": "4.14.235"
}
]
},
{
"events": [
{
"introduced": "4.19.0"
},
{
"fixed": "4.19.193"
}
]
},
{
"events": [
{
"introduced": "5.4.0"
},
{
"fixed": "5.4.124"
}
]
},
{
"events": [
{
"introduced": "5.10.0"
},
{
"fixed": "5.10.42"
}
]
},
{
"events": [
{
"introduced": "5.12.0"
},
{
"fixed": "5.12.9"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.13-rc1"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.13-rc2"
}
]
}
]