drivers/video/fbdev/smscufx.c in the Linux kernel through 5.19.12 has a race condition and resultant use-after-free if a physically proximate attacker removes a USB device while calling open(), aka a race condition between ufx_ops_open and ufx_usb_disconnect.
El archivo drivers/video/fbdev/smscufx.c en el kernel de Linux versiones hasta 5.19.12, presenta una condición de carrera y un uso de memoria previamente liberada resultante si un atacante físicamente cercano elimina un dispositivo USB mientras llama a open(), también se conoce como una condición de carrera entre ufx_ops_open y ufx_usb_disconnect
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | PHYSICAL |
|---|---|
| Attack Complexity | HIGH |
| Privileges Required | NONE |
| User Interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality Impact | NONE |
| Integrity Impact | NONE |
| Availability Impact | HIGH |
| Source | Type | Description |
|---|---|---|
| [email protected] | Primary |
en
CWE-362
en
CWE-416
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd340a32e80> | Operating System |
| debian | debian_linux | 10.0 | <built-in method update of dict object at 0x7fd39c408100> | Operating System |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |