CVE-2021-46930
N/A
N/A
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 83374e035b6286731c5aa617844c7b724294c2a7 < 585e2b244dda7ea733274e4b8fa27853d625d3bf | affected |
| Linux | Linux | 83374e035b6286731c5aa617844c7b724294c2a7 < 3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295 | affected |
| Linux | Linux | 83374e035b6286731c5aa617844c7b724294c2a7 < 249ddfbe00570d6dc76208e88017937d4d374c79 | affected |
| Linux | Linux | 83374e035b6286731c5aa617844c7b724294c2a7 < 8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf | affected |
| Linux | Linux | 5.2 | affected |
| Linux | Linux | 0 < 5.2 | unaffected |
| Linux | Linux | 5.4.170 <= 5.4.* | unaffected |
| Linux | Linux | 5.10.90 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.13 <= 5.15.* | unaffected |
| Linux | Linux | 5.16 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
CVE Program Container
Additional References
- https://git.kernel.org/stable/c/585e2b244dda7ea733274e4b8fa27853d625d3bf
- https://git.kernel.org/stable/c/3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295
- https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79
- https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf
References
- https://git.kernel.org/stable/c/585e2b244dda7ea733274e4b8fa27853d625d3bf
- https://git.kernel.org/stable/c/3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295
- https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79
- https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf
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