In the Linux kernel, the following vulnerability has been resolved: libceph: return the handler error from mon_handle_auth_done() Currently any error from ceph_auth_handle_reply_done() is propagated via finish_auth() but isn't returned from mon_handle_auth_done(). This results in higher layers learning that (despite the monitor considering us to be successfully authenticated) something went wrong in the authentication phase and reacting accordingly, but msgr2 still trying to proceed with establishing the session in the background. In the case of secure mode this can trigger a WARN in setup_crypto() and later lead to a NULL pointer dereference inside of prepare_auth_signature().
En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: libceph: devolver el error del manejador de mon_handle_auth_done() Actualmente, cualquier error de ceph_auth_handle_reply_done() se propaga a través de finish_auth() pero no se devuelve de mon_handle_auth_done(). Esto resulta en que las capas superiores aprendan que (a pesar de que el monitor nos considere autenticados con éxito) algo salió mal en la fase de autenticación y reaccionen en consecuencia, pero msgr2 sigue intentando proceder con el establecimiento de la sesión en segundo plano. En el caso del modo seguro, esto puede activar una ADVERTENCIA en setup_crypto() y más tarde conducir a una desreferencia de puntero NULL dentro de prepare_auth_signature().
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 | Type | Description |
|---|---|---|
| [email protected] | Primary |
en
CWE-476
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| linux | linux_kernel | * | <built-in method update of dict object at 0x702b8344c600> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x702bfc1ddd40> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x702bfc1dc180> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x702b8344e7c0> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x702b8344f540> | Operating System |
| linux | linux_kernel | 6.19 | <built-in method update of dict object at 0x702b8344e240> | Operating System |
| linux | linux_kernel | 6.19 | <built-in method update of dict object at 0x702b8344c580> | Operating System |
| linux | linux_kernel | 6.19 | <built-in method update of dict object at 0x702bfc1dc7c0> | Operating System |
| linux | linux_kernel | 6.19 | <built-in method update of dict object at 0x702b8052fbc0> | 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:*:*:*:*:*:*:*:* |
| Yes | cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:* |
| Yes | cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:* |
| Yes | cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:* |
| Yes | cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:* |