In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: Fix variable 'mca_funcs' dereferenced before NULL check in 'amdgpu_mca_smu_get_mca_entry()'
Fixes the below:
drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c:377 amdgpu_mca_smu_get_mca_entry() warn: variable dereferenced before check 'mca_funcs' (see line 368)
357 int amdgpu_mca_smu_get_mca_entry(struct amdgpu_device *adev,
enum amdgpu_mca_error_type type,
358 int idx, struct mca_bank_entry *entry)
359 {
360 const struct amdgpu_mca_smu_funcs *mca_funcs =
adev->mca.mca_funcs;
361 int count;
362
363 switch (type) {
364 case AMDGPU_MCA_ERROR_TYPE_UE:
365 count = mca_funcs->max_ue_count;
mca_funcs is dereferenced here.
366 break;
367 case AMDGPU_MCA_ERROR_TYPE_CE:
368 count = mca_funcs->max_ce_count;
mca_funcs is dereferenced here.
369 break;
370 default:
371 return -EINVAL;
372 }
373
374 if (idx >= count)
375 return -EINVAL;
376
377 if (mca_funcs && mca_funcs->mca_get_mca_entry)
^^^^^^^^^
Checked too late!
References
Configurations
History
08 Apr 2025, 19:24
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://git.kernel.org/stable/c/4f32504a2f85a7b40fe149436881381f48e9c0c0 - Patch | |
| References | () https://git.kernel.org/stable/c/7b5d58c07024516c0e81b95e98f37710cf402c53 - Patch | |
| CWE | CWE-476 | |
| First Time |
Linux linux Kernel
Linux |
|
| CPE | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Information
Published : 2024-04-02 07:15
Updated : 2025-04-08 19:24
NVD link : CVE-2024-26672
Mitre link : CVE-2024-26672
CVE.ORG link : CVE-2024-26672
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-476
NULL Pointer Dereference