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{
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"data_version" : "4.0" ,
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"data_type" : "CVE" ,
"data_format" : "MITRE" ,
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"ID" : "CVE-2021-46930" ,
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"ASSIGNER" : "cve@kernel.org" ,
"STATE" : "PUBLIC"
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} ,
"description" : {
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"lang" : "eng" ,
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"value" : "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: mtu3: fix list_head check warning\n\nThis is caused by uninitialization of list_head.\n\nBUG: KASAN: use-after-free in __list_del_entry_valid+0x34/0xe4\n\nCall trace:\ndump_backtrace+0x0/0x298\nshow_stack+0x24/0x34\ndump_stack+0x130/0x1a8\nprint_address_description+0x88/0x56c\n__kasan_report+0x1b8/0x2a0\nkasan_report+0x14/0x20\n__asan_load8+0x9c/0xa0\n__list_del_entry_valid+0x34/0xe4\nmtu3_req_complete+0x4c/0x300 [mtu3]\nmtu3_gadget_stop+0x168/0x448 [mtu3]\nusb_gadget_unregister_driver+0x204/0x3a0\nunregister_gadget_item+0x44/0xa4"
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} ,
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"description" : [
{
"lang" : "eng" ,
"value" : "n/a"
}
]
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}
]
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} ,
"affects" : {
"vendor" : {
"vendor_data" : [
{
"vendor_name" : "Linux" ,
"product" : {
"product_data" : [
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"product_name" : "Linux" ,
"version" : {
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"version_affected" : "<" ,
"version_name" : "83374e035b62" ,
"version_value" : "585e2b244dda"
} ,
{
"version_value" : "not down converted" ,
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"versions" : [
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"version" : "5.2" ,
"status" : "affected"
} ,
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"version" : "0" ,
"lessThan" : "5.2" ,
"status" : "unaffected" ,
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"version" : "5.4.170" ,
"lessThanOrEqual" : "5.4.*" ,
"status" : "unaffected" ,
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"version" : "5.10.90" ,
"lessThanOrEqual" : "5.10.*" ,
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"lessThanOrEqual" : "5.15.*" ,
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"lessThanOrEqual" : "*" ,
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"references" : {
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"url" : "https://git.kernel.org/stable/c/585e2b244dda7ea733274e4b8fa27853d625d3bf" ,
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"name" : "https://git.kernel.org/stable/c/3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295"
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"url" : "https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79" ,
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"name" : "https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79"
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{
"url" : "https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf"
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