Name: CVE-2022-23084: Time-of-check Time-of-use (TOCTOU) Race Condition
Creator: Rapid7
Published: 2024-02-15T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2022-23084, CWE-367, CVSS 7.5, EPSS 0.00046

The total size of the user-provided nmreq to nmreq_copyin() was first computed and then trusted during the copyin. This time-of-check to time-of-use bug could lead to kernel memory corruption.

On systems configured to include netmap in their devfs_ruleset, a privileged process running in a jail can affect the host environment.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Freebsd	—	Upgrade FreeBSD	Nov 4, 2022	Apr 7, 2022

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CVSS Details

Covered by Rapid7

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