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Vulnerability CVE-2022-0646
Published: 2022-02-18
| 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. |
Type:
CWE-416 (Use After Free)
CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
7.2/10 |
10/10 |
3.9/10 |
| Exploit range |
Attack complexity |
Authentication |
Local |
Low |
No required |
| Confidentiality impact |
Integrity impact |
Availability impact |
Complete |
Complete |
Complete |
References: |
https://lore.kernel.org/all/20220211011552.1861886-1-jk@codeconstruct.com.au
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