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29 lines
3.1 KiB
JSON
29 lines
3.1 KiB
JSON
{
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"id": "CVE-2024-26672",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-04-02T07:15:43.900",
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"lastModified": "2024-04-02T12:50:42.233",
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"vulnStatus": "Awaiting Analysis",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Fix variable 'mca_funcs' dereferenced before NULL check in 'amdgpu_mca_smu_get_mca_entry()'\n\nFixes the below:\n\ndrivers/gpu/drm/amd/amdgpu/amdgpu_mca.c:377 amdgpu_mca_smu_get_mca_entry() warn: variable dereferenced before check 'mca_funcs' (see line 368)\n\n357 int amdgpu_mca_smu_get_mca_entry(struct amdgpu_device *adev,\n\t\t\t\t enum amdgpu_mca_error_type type,\n358 int idx, struct mca_bank_entry *entry)\n359 {\n360 const struct amdgpu_mca_smu_funcs *mca_funcs =\n\t\t\t\t\t\tadev->mca.mca_funcs;\n361 int count;\n362\n363 switch (type) {\n364 case AMDGPU_MCA_ERROR_TYPE_UE:\n365 count = mca_funcs->max_ue_count;\n\nmca_funcs is dereferenced here.\n\n366 break;\n367 case AMDGPU_MCA_ERROR_TYPE_CE:\n368 count = mca_funcs->max_ce_count;\n\nmca_funcs is dereferenced here.\n\n369 break;\n370 default:\n371 return -EINVAL;\n372 }\n373\n374 if (idx >= count)\n375 return -EINVAL;\n376\n377 if (mca_funcs && mca_funcs->mca_get_mca_entry)\n\t ^^^^^^^^^\n\nChecked too late!"
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},
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{
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"lang": "es",
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amdgpu: corrige la variable 'mca_funcs' desreferenciada antes de la comprobaci\u00f3n NULL en 'amdgpu_mca_smu_get_mca_entry()' Corrige lo siguiente: drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c:377 amdgpu_mca_smu_get_mca_entry() advertencia: variable desreferenciada antes de verificar 'mca_funcs' (ver l\u00ednea 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 recuentos internacionales; 362 363 interruptor (tipo) { 364 caso AMDGPU_MCA_ERROR_TYPE_UE: 365 recuento = mca_funcs->max_ue_count; Aqu\u00ed se elimina la referencia a mca_funcs. 366 descanso; 367 caso AMDGPU_MCA_ERROR_TYPE_CE: 368 recuento = mca_funcs->max_ce_count; Aqu\u00ed se elimina la referencia a mca_funcs. 369 descanso; 370 predeterminado: 371 retorno -EINVAL; 372 } 373 374 si (idx >= recuento) 375 retorno -EINVAL; 376 377 if (mca_funcs && mca_funcs->mca_get_mca_entry) ^^^^^^^^^ \u00a1Comprobado demasiado tarde!"
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}
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],
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"metrics": {},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/4f32504a2f85a7b40fe149436881381f48e9c0c0",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/7b5d58c07024516c0e81b95e98f37710cf402c53",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |