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CVE PROGRAM SOURCE RECORDUnscored

CVE-2021-46930

usb: mtu3: fix list_head check warning

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Status
Published
Published
Updated
Assigning organization
Linux

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 83374e035b6286731c5aa617844c7b724294c2a7 to < 585e2b244dda7ea733274e4b8fa27853d625d3bfaffected
  • 83374e035b6286731c5aa617844c7b724294c2a7 to < 3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295affected
  • 83374e035b6286731c5aa617844c7b724294c2a7 to < 249ddfbe00570d6dc76208e88017937d4d374c79affected
  • 83374e035b6286731c5aa617844c7b724294c2a7 to < 8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bfaffected

Linux Linux

Default version status: affected

  • 5.2affected
  • 0 to < 5.2unaffected
  • 5.4.170 to ≤ 5.4.*unaffected
  • 5.10.90 to ≤ 5.10.*unaffected
  • 5.15.13 to ≤ 5.15.*unaffected
  • 5.16 to ≤ *unaffected

References