Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-23084

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
15/02/2024
Last modified:
09/12/2024

Description

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

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* 12.0 (including) 12.3 (excluding)
cpe:2.3:o:freebsd:freebsd:12.3:-:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.3:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.3:p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.3:p3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.3:p4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:-:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:beta1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:beta2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:beta3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:beta3-p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:beta4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:p10:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:p2:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools