PT-2022-6122 · Freebsd · Freebsd

Lucas Leong + 2 · Published 2022-02-18 · Updated 2024-12-09 · CVE-2022-23084

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions FreeBSD (affected versions not specified)

Description The issue is related to a time-of-check to time-of-use bug in the nmreq copyin() function of the netmap component in FreeBSD. This 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. The vulnerability may allow an attacker to execute arbitrary code in the context of the kernel.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

BDU:2023-00062

CVE-2022-23084

FREEBSD-SA-22_04

ZDI-22-1291

Affected Products

Freebsd

References · 13

• https://osv.dev/vulnerability/CVE-2022-23084 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-00062 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-22-1291 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-23084 · Security Note
• https://security.freebsd.org/advisories/FreeBSD-SA-22:04.netmap.asc · Vendor Advisory
• https://t.me/cvenotify/103565 · Telegram Post
• https://twitter.com/CVEnew/status/1757997077718806812 · Twitter Post
• https://zerodayinitiative.com/advisories/ZDI-CAN-16683 · Note
• https://security.netapp.com/advisory/ntap-20240419-0003 · Note
• https://t.me/cvenotify/103557 · Telegram Post
• https://freebsd.org/security/advisories/FreeBSD-SA-22:04.netmap.asc · Note
• https://t.me/cvenotify/71479 · Telegram Post
• https://t.me/cvenotify/77404 · Telegram Post