CVE-2024-46896

{"id": "CVE-2024-46896", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-01-11T13:15:21.643", "references": [{"url": "https://git.kernel.org/stable/c/65501a4fd84ecdc0af863dbb37759242aab9f2dd", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/67291d601f2b032062b1b2f60ffef1b63e10094c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a93b1020eb9386d7da11608477121b10079c076a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/da6b2c626ae73c303378ce9eaf6e3eaf16c9925a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: don't access invalid sched\n\nSince 2320c9e6a768 (\"drm/sched: memset() 'job' in drm_sched_job_init()\")\naccessing job->base.sched can produce unexpected results as the initialisation\nof (*job)->base.sched done in amdgpu_job_alloc is overwritten by the\nmemset.\n\nThis commit fixes an issue when a CS would fail validation and would\nbe rejected after job->num_ibs is incremented. In this case,\namdgpu_ib_free(ring->adev, ...) will be called, which would crash the\nmachine because the ring value is bogus.\n\nTo fix this, pass a NULL pointer to amdgpu_ib_free(): we can do this\nbecause the device is actually not used in this function.\n\nThe next commit will remove the ring argument completely.\n\n(cherry picked from commit 2ae520cb12831d264ceb97c61f72c59d33c0dbd7)"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amdgpu: no acceder a sched no v\u00e1lido Desde 2320c9e6a768 (\"drm/sched: memset() 'job' en drm_sched_job_init()\") acceder a job->base.sched puede producir resultados inesperados ya que la inicializaci\u00f3n de (*job)->base.sched realizada en amdgpu_job_alloc es sobrescrita por memset. Esta confirmaci\u00f3n corrige un problema cuando un CS fallar\u00eda la validaci\u00f3n y ser\u00eda rechazado despu\u00e9s de que se incremente job->num_ibs. En este caso, se llamar\u00e1 a amdgpu_ib_free(ring->adev, ...), lo que bloquear\u00eda la m\u00e1quina porque el valor de ring es falso. Para corregir esto, pase un puntero NULL a amdgpu_ib_free(): podemos hacer esto porque el dispositivo en realidad no se usa en esta funci\u00f3n. La pr\u00f3xima confirmaci\u00f3n eliminar\u00e1 el argumento ring por completo. (seleccionado del commit 2ae520cb12831d264ceb97c61f72c59d33c0dbd7)"}], "lastModified": "2025-11-03T21:16:22.600", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9D170786-006C-4D21-8636-775E492BDF95", "versionEndExcluding": "6.1.122", "versionStartIncluding": "6.1.120"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "053D7514-A65B-4677-9DB5-A163387F6E0C", "versionEndExcluding": "6.6.68", "versionStartIncluding": "6.6.66"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "75A4DB64-BDF2-4534-8F31-F0E6D0D72B3C", "versionEndExcluding": "6.12.7", "versionStartIncluding": "6.12.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5A073481-106D-4B15-B4C7-FB0213B8E1D4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DE491969-75AE-4A6B-9A58-8FC5AF98798F"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}