CVE-2022-23091 - CVE House
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Status published Unknown CVE-2022-23091

Memory disclosure by stale virtual memory mapping

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Mark Johnston

References

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Affected Vendor

Affected Software

FreeBSD
Vulnerable Versions:
13.1-RELEASE, 13.0-RELEASE, 12.3-RELEASE

Timeline

Official Publish: February 15th, 2024
Last Modified: February 13th, 2025
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.