2024-12-08 03:06:42 +00:00

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{
"id": "CVE-2024-49918",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-10-21T18:15:14.030",
"lastModified": "2024-10-24T16:49:57.453",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Add null check for head_pipe in dcn32_acquire_idle_pipe_for_head_pipe_in_layer\n\nThis commit addresses a potential null pointer dereference issue in the\n`dcn32_acquire_idle_pipe_for_head_pipe_in_layer` function. The issue\ncould occur when `head_pipe` is null.\n\nThe fix adds a check to ensure `head_pipe` is not null before asserting\nit. If `head_pipe` is null, the function returns NULL to prevent a\npotential null pointer dereference.\n\nReported by smatch:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn32/dcn32_resource.c:2690 dcn32_acquire_idle_pipe_for_head_pipe_in_layer() error: we previously assumed 'head_pipe' could be null (see line 2681)"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Agregar comprobaci\u00f3n NULL para head_pipe en dcn32_acquire_idle_pipe_for_head_pipe_in_layer Esta confirmaci\u00f3n soluciona un posible problema de desreferencia de puntero nulo en la funci\u00f3n `dcn32_acquire_idle_pipe_for_head_pipe_in_layer`. El problema podr\u00eda ocurrir cuando `head_pipe` es nulo. La correcci\u00f3n agrega una comprobaci\u00f3n para garantizar que `head_pipe` no sea nulo antes de afirmarlo. Si `head_pipe` es nulo, la funci\u00f3n devuelve NULL para evitar una posible desreferencia de puntero nulo. Reportado por smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn32/dcn32_resource.c:2690 Error de dcn32_acquire_idle_pipe_for_head_pipe_in_layer(): anteriormente asumimos que 'head_pipe' podr\u00eda ser nulo (ver l\u00ednea 2681)"
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.10.14",
"matchCriteriaId": "652638C5-5F25-4DF3-AD42-DD3252A97152"
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"references": [
{
"url": "https://git.kernel.org/stable/c/4f47292f488fa7041284dca1f1244116c18721f1",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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{
"url": "https://git.kernel.org/stable/c/96d4c2ee18d732a248d053aae8c4a27cb1d68d1c",
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