Description
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.
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | Kernel | 5.17-rc5 |
References
- https://lore.kernel.org/all/20220211011552.1861886-1-jk%40codeconstruct.com.auMailing List, Patch
- https://security.netapp.com/advisory/ntap-20220318-0006/Third Party Advisory
- https://lore.kernel.org/all/20220211011552.1861886-1-jk%40codeconstruct.com.auMailing List, Patch
- https://security.netapp.com/advisory/ntap-20220318-0006/Third Party Advisory
Timeline
- Published
- Feb 18, 2022
- Last modified
- Jun 17, 2026
- NVD status
- Modified