CVEvulnerability
CVE-2021-46930
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2024-02-27
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-416
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 configurations
• linux linux kernel (>= 5.2.0 < 5.4.170)
• linux linux kernel (>= 5.5.0 < 5.10.90)
• linux linux kernel (>= 5.11.0 < 5.15.13)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79 Patch
- https://git.kernel.org/stable/c/3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295 Patch
- https://git.kernel.org/stable/c/585e2b244dda7ea733274e4b8fa27853d625d3bf Patch
- https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf Patch
- https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79 Patch
- https://git.kernel.org/stable/c/3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295 Patch
- https://git.kernel.org/stable/c/585e2b244dda7ea733274e4b8fa27853d625d3bf Patch
- https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf Patch