mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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44 lines
2.7 KiB
JSON
44 lines
2.7 KiB
JSON
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{
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"id": "CVE-2024-26748",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-04-03T17:15:51.727",
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"lastModified": "2024-04-03T17:24:18.150",
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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\nusb: cdns3: fix memory double free when handle zero packet\n\n829 if (request->complete) {\n830 spin_unlock(&priv_dev->lock);\n831 usb_gadget_giveback_request(&priv_ep->endpoint,\n832 request);\n833 spin_lock(&priv_dev->lock);\n834 }\n835\n836 if (request->buf == priv_dev->zlp_buf)\n837 cdns3_gadget_ep_free_request(&priv_ep->endpoint, request);\n\nDriver append an additional zero packet request when queue a packet, which\nlength mod max packet size is 0. When transfer complete, run to line 831,\nusb_gadget_giveback_request() will free this requestion. 836 condition is\ntrue, so cdns3_gadget_ep_free_request() free this request again.\n\nLog:\n\n[ 1920.140696][ T150] BUG: KFENCE: use-after-free read in cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\n[ 1920.140696][ T150]\n[ 1920.151837][ T150] Use-after-free read at 0x000000003d1cd10b (in kfence-#36):\n[ 1920.159082][ T150] cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\n[ 1920.164988][ T150] cdns3_transfer_completed+0x438/0x5f8 [cdns3]\n\nAdd check at line 829, skip call usb_gadget_giveback_request() if it is\nadditional zero length packet request. Needn't call\nusb_gadget_giveback_request() because it is allocated in this driver."
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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/1e204a8e9eb514e22a6567fb340ebb47df3f3a48",
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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/3a2a909942b5335b7ea66366d84261b3ed5f89c8",
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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/5fd9e45f1ebcd57181358af28506e8a661a260b3",
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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/70e8038813f9d3e72df966748ebbc40efe466019",
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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/92d20406a3d4ff3e8be667c79209dc9ed31df5b3",
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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/9a52b694b066f299d8b9800854a8503457a8b64c",
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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/aad6132ae6e4809e375431f8defd1521985e44e7",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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}
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