CVE-2021-47142
drm/amdgpu: Fix a use-after-free
Description
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]
INFO
Published Date :
March 25, 2024, 9:15 a.m.
Last Modified :
Dec. 17, 2024, 2:56 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel packages.
- Reboot the system for changes to take effect.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-47142.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47142 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-47142
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47142 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47142 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Dec. 17, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.4.271 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.9.0 up to (excluding) 4.9.271 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.14.0 up to (excluding) 4.14.235 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.19.0 up to (excluding) 4.19.193 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.4.0 up to (excluding) 5.4.124 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10.0 up to (excluding) 5.10.42 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.12.0 up to (excluding) 5.12.9 *cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:* Changed Reference Type https://git.kernel.org/stable/c/0707c3fea8102d211631ba515ef2159707561b0d No Types Assigned https://git.kernel.org/stable/c/0707c3fea8102d211631ba515ef2159707561b0d Patch Changed Reference Type https://git.kernel.org/stable/c/0707c3fea8102d211631ba515ef2159707561b0d No Types Assigned https://git.kernel.org/stable/c/0707c3fea8102d211631ba515ef2159707561b0d Patch Changed Reference Type https://git.kernel.org/stable/c/1e5c37385097c35911b0f8a0c67ffd10ee1af9a2 No Types Assigned https://git.kernel.org/stable/c/1e5c37385097c35911b0f8a0c67ffd10ee1af9a2 Patch Changed Reference Type https://git.kernel.org/stable/c/1e5c37385097c35911b0f8a0c67ffd10ee1af9a2 No Types Assigned https://git.kernel.org/stable/c/1e5c37385097c35911b0f8a0c67ffd10ee1af9a2 Patch Changed Reference Type https://git.kernel.org/stable/c/3293cf3513d69f00c14d43e2020826d45ea0e46a No Types Assigned https://git.kernel.org/stable/c/3293cf3513d69f00c14d43e2020826d45ea0e46a Patch Changed Reference Type https://git.kernel.org/stable/c/3293cf3513d69f00c14d43e2020826d45ea0e46a No Types Assigned https://git.kernel.org/stable/c/3293cf3513d69f00c14d43e2020826d45ea0e46a Patch Changed Reference Type https://git.kernel.org/stable/c/7398c2aab4da960761ec182d04d6d5abbb4a226e No Types Assigned https://git.kernel.org/stable/c/7398c2aab4da960761ec182d04d6d5abbb4a226e Patch Changed Reference Type https://git.kernel.org/stable/c/7398c2aab4da960761ec182d04d6d5abbb4a226e No Types Assigned https://git.kernel.org/stable/c/7398c2aab4da960761ec182d04d6d5abbb4a226e Patch Changed Reference Type https://git.kernel.org/stable/c/952ab3f9f48eb0e8050596d41951cf516be6b122 No Types Assigned https://git.kernel.org/stable/c/952ab3f9f48eb0e8050596d41951cf516be6b122 Patch Changed Reference Type https://git.kernel.org/stable/c/952ab3f9f48eb0e8050596d41951cf516be6b122 No Types Assigned https://git.kernel.org/stable/c/952ab3f9f48eb0e8050596d41951cf516be6b122 Patch Changed Reference Type https://git.kernel.org/stable/c/a849e218556f932576c0fb1c5a88714b61709a17 No Types Assigned https://git.kernel.org/stable/c/a849e218556f932576c0fb1c5a88714b61709a17 Patch Changed Reference Type https://git.kernel.org/stable/c/a849e218556f932576c0fb1c5a88714b61709a17 No Types Assigned https://git.kernel.org/stable/c/a849e218556f932576c0fb1c5a88714b61709a17 Patch Changed Reference Type https://git.kernel.org/stable/c/d4ea141fd4b40636a8326df5a377d9c5cf9b3faa No Types Assigned https://git.kernel.org/stable/c/d4ea141fd4b40636a8326df5a377d9c5cf9b3faa Patch Changed Reference Type https://git.kernel.org/stable/c/d4ea141fd4b40636a8326df5a377d9c5cf9b3faa No Types Assigned https://git.kernel.org/stable/c/d4ea141fd4b40636a8326df5a377d9c5cf9b3faa Patch Changed Reference Type https://git.kernel.org/stable/c/f98cdf084405333ee2f5be548a91b2d168e49276 No Types Assigned https://git.kernel.org/stable/c/f98cdf084405333ee2f5be548a91b2d168e49276 Patch Changed Reference Type https://git.kernel.org/stable/c/f98cdf084405333ee2f5be548a91b2d168e49276 No Types Assigned https://git.kernel.org/stable/c/f98cdf084405333ee2f5be548a91b2d168e49276 Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/0707c3fea8102d211631ba515ef2159707561b0d Added Reference https://git.kernel.org/stable/c/1e5c37385097c35911b0f8a0c67ffd10ee1af9a2 Added Reference https://git.kernel.org/stable/c/3293cf3513d69f00c14d43e2020826d45ea0e46a Added Reference https://git.kernel.org/stable/c/7398c2aab4da960761ec182d04d6d5abbb4a226e Added Reference https://git.kernel.org/stable/c/952ab3f9f48eb0e8050596d41951cf516be6b122 Added Reference https://git.kernel.org/stable/c/a849e218556f932576c0fb1c5a88714b61709a17 Added Reference https://git.kernel.org/stable/c/d4ea141fd4b40636a8326df5a377d9c5cf9b3faa Added Reference https://git.kernel.org/stable/c/f98cdf084405333ee2f5be548a91b2d168e49276 -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Mar. 25, 2024
Action Type Old Value New Value Added Description 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] Added Reference kernel.org https://git.kernel.org/stable/c/0707c3fea8102d211631ba515ef2159707561b0d [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/3293cf3513d69f00c14d43e2020826d45ea0e46a [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/952ab3f9f48eb0e8050596d41951cf516be6b122 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/a849e218556f932576c0fb1c5a88714b61709a17 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/7398c2aab4da960761ec182d04d6d5abbb4a226e [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/f98cdf084405333ee2f5be548a91b2d168e49276 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/d4ea141fd4b40636a8326df5a377d9c5cf9b3faa [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/1e5c37385097c35911b0f8a0c67ffd10ee1af9a2 [No types assigned]