CVE-2021-46930
Assigner: Linux
Published: 2024-02-27T09:43:58.710Z
State: PUBLISHED
descriptions: value: 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: product: Linux
vendor: Linux
defaultStatus: unaffected
repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
versions: version: 83374e035b62
lessThan: 585e2b244dda
status: affected
versionType: git
version: 83374e035b62
lessThan: 3b6efe0b7ba0
status: affected
versionType: git
version: 83374e035b62
lessThan: 249ddfbe0057
status: affected
versionType: git
version: 83374e035b62
lessThan: 8c313e3bfd9a
status: affected
versionType: git
product: Linux
vendor: Linux
defaultStatus: affected
repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
versions: version: 5.2
status: affected
version: 0
lessThan: 5.2
status: unaffected
versionType: custom
version: 5.4.170
lessThanOrEqual: 5.4.*
status: unaffected
versionType: custom
version: 5.10.90
lessThanOrEqual: 5.10.*
status: unaffected
versionType: custom
version: 5.15.13
lessThanOrEqual: 5.15.*
status: unaffected
versionType: custom
version: 5.16
lessThanOrEqual: *
status: unaffected
versionType: original_commit_for_fix
title: usb: mtu3: fix list_head check warning
x_generator: engine: bippy-b01c2a820106