CVE-2022-23085

Potential jail escape vulnerabilities in netmap

Published Feb 15, 2024 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow. This insufficient bounds checking 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-28190 A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow. This insufficient bounds checking 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.
History
Type Values Removed Values Added
CPEs cpe:2.3:o:freebsd:freebsd:13.1:-:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Freebsd
Freebsd freebsd
Weaknesses CWE-787
CPEs cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
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-p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:beta3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:beta4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:p10:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:p3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:p4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:p5:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:p6:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:p7:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:p8:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:p9:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:rc1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:rc2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:rc3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:rc4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:rc5-p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.0:rc5:*:*:*:*:*:*
Vendors & Products Freebsd
Freebsd freebsd
Weaknesses

Sources

Status
PUBLISHED
Assigner
freebsd
Published
Updated
Feb 13, 2025, 4:28 PM
Reserved
Jan 10, 2022, 10:07 PM
Status
Analyzed
Published
Feb 15, 2024, 5:15 AM
Modified
Jun 17, 2026, 4:29 AM