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28 lines
1.7 KiB
JSON
28 lines
1.7 KiB
JSON
{
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"id": "CVE-2021-47534",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-05-24T15:15:16.940",
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"lastModified": "2024-05-24T18:09:20.027",
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"vulnStatus": "Awaiting Analysis",
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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/vc4: kms: Add missing drm_crtc_commit_put\n\nCommit 9ec03d7f1ed3 (\"drm/vc4: kms: Wait on previous FIFO users before a\ncommit\") introduced a global state for the HVS, with each FIFO storing\nthe current CRTC commit so that we can properly synchronize commits.\n\nHowever, the refcounting was off and we thus ended up leaking the\ndrm_crtc_commit structure every commit. Add a drm_crtc_commit_put to\nprevent the leakage."
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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 resolvi\u00f3 la siguiente vulnerabilidad: drm/vc4: kms: agregar drm_crtc_commit_put faltante el commit 9ec03d7f1ed3 (\"drm/vc4: kms: esperar a los usuarios FIFO anteriores antes de una confirmaci\u00f3n\") introdujo un estado global para HVS, con cada FIFO almacena El commit CRTC actual para que podamos sincronizar correctamente las confirmaciones. Sin embargo, el recuento no se realiz\u00f3 y, por lo tanto, terminamos filtrando la estructura drm_crtc_commit en cada confirmaci\u00f3n. Agregue un drm_crtc_commit_put para evitar la fuga."
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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/049cfff8d53a30cae3349ff71a4c01b7d9981bc2",
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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/53f9601e908d42481addd67cdb01a9288c611124",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |