CVE-2022-23091

Memory disclosure by stale virtual memory mapping

Published Feb 15, 2024 CVSS 3.1 · 4 Medium EPSS < 1% KEV · Not listed
Description
A particular case of memory sharing is mishandled in the virtual memory system. This is very similar to SA-21:08.vm, but with a different root cause.

An unprivileged local user process can maintain a mapping of a page after it is freed, allowing that process to read private data belonging to other processes or the kernel.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-28196 A particular case of memory sharing is mishandled in the virtual memory system. This is very similar to SA-21:08.vm, but with a different root cause. An unprivileged local user process can maintain a mapping of a page after it is freed, allowing that process to read private data belonging to other processes or the kernel.
History
Type Values Removed Values Added
First Time appeared Freebsd
Freebsd freebsd
CPEs cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.3:beta1:*:*:*:*:*:*
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:12.3:p5:*:*:*:*:*:*
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:p11:*:*:*:*:*:*
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:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.1:b1-p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.1:b2-p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.1:rc1-p1:*:*:*:*:*:*
Vendors & Products Freebsd
Freebsd freebsd
Type Values Removed Values Added
Weaknesses CWE-401
Metrics cvssV3_1

{'score': 4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
freebsd
Published
Updated
Feb 13, 2025, 4:29 PM
Reserved
Jan 10, 2022, 10:07 PM
Status
Analyzed
Published
Feb 15, 2024, 6:15 AM
Modified
Jun 17, 2026, 4:29 AM