In the Linux kernel, the following vulnerability has been resolved: media: usbtv: Remove useless locks in usbtv_video_free() Remove locks calls in usbtv_video_free() because are useless and may led to a deadlock as reported here: https://syzkaller.appspot.com/x/bisect.txt?x=166dc872180000 Also remove usbtv_stop() call since it will be called when unregistering the device. Before 'c838530d230b' this issue would only be noticed if you disconnect while streaming and now it is noticeable even when disconnecting while not streaming. [hverkuil: fix minor spelling mistake in log message]
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: medios: usbtv: Eliminar bloqueos inútiles en usbtv_video_free() Eliminar llamadas de bloqueos en usbtv_video_free() porque son inútiles y pueden provocar un punto muerto como se informa aquí: https://syzkaller.appspot .com/x/bisect.txt?x=166dc872180000 También elimine la llamada usbtv_stop() ya que se llamará al cancelar el registro del dispositivo. Antes de 'c838530d230b', este problema solo se notaba si se desconectaba mientras se transmitía y ahora se nota incluso cuando se desconecta mientras no se transmite. [hverkuil: corrige un error ortográfico menor en el mensaje de registro]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | LOCAL |
|---|---|
| Attack Complexity | LOW |
| Privileges Required | LOW |
| User Interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality Impact | NONE |
| Integrity Impact | NONE |
| Availability Impact | HIGH |
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Type: Secondary
Exploitability Score: 1.8
Impact Score: 3.6
| Source | Type | Description |
|---|---|---|
| [email protected] | Primary |
en
CWE-667
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd36be7bf80> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd36be7b800> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd340144600> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd36be7b480> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd36be7a280> | Operating System |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Yes | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Yes | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Yes | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Yes | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |