In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock It needs to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock to avoid racing with checkpoint, otherwise, filesystem metadata including blkaddr in dnode, inode fields and .total_valid_block_count may be corrupted after SPO case.
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: compress: corrección para cubrir {reserve,release}_compress_blocks() con bloqueo cp_rwsem Necesita cubrir {reserve,release}_compress_blocks() con bloqueo cp_rwsem para evitar ejecuciones con el punto de control; de lo contrario, los metadatos del sistema de archivos, incluido blkaddr en dnode, los campos de inodo y .total_valid_block_count, pueden dañarse después del caso SPO.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | LOCAL |
|---|---|
| Attack Complexity | LOW |
| Privileges Required | LOW |
| User Interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality Impact | HIGH |
| Integrity Impact | HIGH |
| Availability Impact | HIGH |
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Type: Secondary
Exploitability Score: 1.8
Impact Score: 5.9
| Source | Type | Description |
|---|---|---|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary |
en
CWE-770
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd360614d00> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd3703ce940> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd368d9aac0> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd384689b40> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd360615e80> | 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:*:*:*:*:*:*:*:* |