CVE-2022-3977

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A use-after-free flaw was found in the Linux kernel MCTP (Management Component Transport Protocol) functionality. This issue occurs when a user simultaneously calls DROPTAG ioctl and socket close happens, which could allow a local user to crash the system or potentially escalate their privileges on the system.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
n/a	Kernel	Linux kernel 6.1-rc1

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3a732b46736cd8a29092e4b0b1a9ba83e672bf89Mailing List, Patch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20230223-0005/Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3a732b46736cd8a29092e4b0b1a9ba83e672bf89Mailing List, Patch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20230223-0005/Third Party Advisory

Timeline

Published: Jan 12, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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