A flaw use after free in the Linux kernel Management Component Transport Protocol (MCTP) subsystem was found in the way user triggers…
redhat·CWE-459·Published 2022-02-18
A flaw use after free in the Linux kernel Management Component Transport Protocol (MCTP) subsystem was found in the way user triggers cancel_work_sync after the unregister_netdev during removing device. A local user could use this flaw to crash the system or escalate their privileges on the system. It is actual from Linux Kernel 5.17-rc1 (when mctp-serial.c introduced) till 5.17-rc5.
A flaw use after free in the Linux kernel Management Component Transport Protocol (MCTP) subsystem was found in the way user triggers cancel_work_sync after the unregister_netdev during removing device. A local user could use this flaw to crash the system or escalate their privileges on the system. It is actual from Linux Kernel 5.17-rc1 (when mctp-serial.c introduced) till 5.17-rc5.
Se encontró un fallo de uso de memoria previamente liberada en el subsistema del kernel de Linux Management Component Transport Protocol (MCTP) en la forma en que el usuario desencadena cancel_work_sync después de unregister_netdev durante la eliminación del dispositivo. Un usuario local podría usar este fallo para bloquear el sistema o escalar sus privilegios en el sistema. Es actual desde el Kernel de Linux versión 5.17-rc1 (cuando fue introducido mctp-serial.c) hasta versión 5.17-rc5
| Version | Type | Source | Base | Exp | Impact | Vector |
|---|---|---|---|---|---|---|
| 2.0 | Primary | NVD | 7.2 | 3.9 | 10.0 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
| 3.1 | Primary | NVD | 7.8 | 1.8 | 5.9 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |