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CVE-2021-46930

usb: mtu3: fix list_head check warning PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: usb: mtu3: fix list_head check warning This is caused by uninitialization of list_head. BUG: KASAN: use-after-free in __list_del_entry_valid+0x34/0xe4 Call trace: dump_backtrace+0x0/0x298 show_stack+0x24/0x34 dump_stack+0x130/0x1a8 print_address_description+0x88/0x56c __kasan_report+0x1b8/0x2a0 kasan_report+0x14/0x20 __asan_load8+0x9c/0xa0 __list_del_entry_valid+0x34/0xe4 mtu3_req_complete+0x4c/0x300 [mtu3] mtu3_gadget_stop+0x168/0x448 [mtu3] usb_gadget_unregister_driver+0x204/0x3a0 unregister_gadget_item+0x44/0xa4

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 83374e035b6286731c5aa617844c7b724294c2a7 before 585e2b244dda7ea733274e4b8fa27853d625d3bf; affected 83374e035b6286731c5aa617844c7b724294c2a7 before 3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295; affected 83374e035b6286731c5aa617844c7b724294c2a7 before 249ddfbe00570d6dc76208e88017937d4d374c79; affected 83374e035b6286731c5aa617844c7b724294c2a7 before 8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf
Linux / Linuxaffected 5.2; unaffected 0 before 5.2; unaffected 5.4.170 through 5.4.*; unaffected 5.10.90 through 5.10.*; unaffected 5.15.13 through 5.15.*; unaffected 5.16 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.