CVE-2022-0646

HIGH
7.8
CVSS Score
Published: February 18, 2022 at 05:50 PM UTC
Updated: June 17, 2026 at 04:20 AM UTC
18 products affected across 3 vendorsLinux KernelH700S FirmwareH410S Firmware

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Severity
HIGH7.8
Exploit prediction
EPSS 0.4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
netapp-h300e (same device)
All versions
netapp-h300s (same device)
All versions
netapp-h410c (same device)
All versions
netapp-h410s (same device)
All versions
netapp-h500e (same device)
All versions
netapp-h500s (same device)
All versions
netapp-h700e (same device)
All versions
netapp-h700s (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-459CWE-416

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